Every open project update is a wild ride and this time it’s no different except I am out of solutions to the problem I’m encountering. I deleted all node_modules directories and ran npm install (just making sure i get a clean install). Then I ran RAILS_ENV="production" bundle exec rake assets:precompile and this is where i get a ton of typescript errors. Can you guys point me in the right direction on how to fix this? Full output below:

$(npm bin)/webpack --config webpack.production.config.js
{"openproject-translations":"/home/www/openproject/vendor/bundle/ruby/2.4.0/bundler/gems/openproject-translations-6034d42982a3"}
Applying webpack.optimize plugins for production.
clean-webpack-plugin: /home/www/openproject/app/assets/javascripts/bundles has been removed.
clean-webpack-plugin: 1 file(s) excluded - openproject-vendors.js
ts-loader: Using typescript@2.3.3 and /home/www/openproject/frontend/tsconfig.json
Hash: ddb5bf894f2e5fa327f5
Version: webpack 2.2.0
Child
    Hash: ddb5bf894f2e5fa327f5
    Time: 315381ms
                                   Asset     Size  Chunks                    Chunk Names
    7b9776076d5fceef4993b55c9383dedd.gif  1.85 kB          [emitted]
                 openproject-core-app.js  1.55 MB       0  [emitted]  [big]  core-app
                openproject-core-app.css  33.6 kB       0  [emitted]         core-app
       [0] ./angular-modules.ts 5.11 kB {0} [built]
     [239] ./init-app.js 5.73 kB {0} [built]
     [240] ./components ^((?!\.(test|spec)).)*\.(js|ts|html)$ 23.9 kB {0} [built]
     [241] ./globals \.ts$ 241 bytes {0} [built]
     [242] ./templates \.html$ 1.09 kB {0} [built]
     [243] ../~/angular-i18n angular-locale_(en|af|ar|bg|ca|cs|da|de|es|et|fa|fi|fr|he|hr|hu|id|it|ja|ko|lol|lt|lv|nl|no|pl|pt-BR|pt|ro|ru|sk|sv-SE|th|tr|uk|vi|zh-TW|zh).js$/ 1.17 kB {0} [built]
     [244] ../~/expose-loader?bowser!../~/bowser/src/bowser.js 213 bytes {0} [built]
     [245] ../~/jquery-ui/themes/base/core.css 41 bytes {0} [built]
     [246] ../~/jquery-ui/themes/base/datepicker.css 41 bytes {0} [built]
     [247] ../~/jquery-ui/themes/base/dialog.css 41 bytes {0} [built]
     [248] ../~/ng-dialog/css/ngDialog.min.css 41 bytes {0} [built]
     [249] ../~/ui-select/dist/select.min.css 41 bytes {0} [built]
     [250] ../vendor/at.js/jquery.atwho.min.css 41 bytes {0} [built]
    [1095] delegated ./app/vendors.js from dll-reference vendors 42 bytes {0} [not cacheable] [built]
    [1096] ./openproject-app.js 1.25 kB {0} [built]
        + 1094 hidden modules

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/testing/subscription.ts
    (27,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Subscription' must be of type 'SubscriptionStatic', but here has type 'SubscriptionStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/testing/recorded.ts
    (32,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Recorded' must be of type 'RecordedStatic', but here has type 'RecordedStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/testing/mockobserver.ts
    (14,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'MockObserver' must be of type 'MockObserverStatic', but here has type 'MockObserverStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/testing/mockobserver.ts
    (19,29): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/testing/mockobserver.ts
    (20,37): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/subjects/subject.ts
    (39,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Subject' must be of type 'SubjectStatic', but here has type 'SubjectStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/subjects/replaysubject.ts
    (20,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'ReplaySubject' must be of type 'ReplaySubjectStatic', but here has type 'ReplaySubjectStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/subjects/behaviorsubject.ts
    (27,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'BehaviorSubject' must be of type 'BehaviorSubjectStatic', but here has type 'BehaviorSubjectStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/subjects/asyncsubject.ts
    (18,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'AsyncSubject' must be of type 'AsyncSubjectStatic', but here has type 'AsyncSubjectStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/subjects/anonymoussubject.ts
    (17,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'AnonymousSubject' must be of type 'AnonymousSubjectStatic', but here has type 'AnonymousSubjectStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (58,90): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (58,107): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (58,111): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (58,114): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (60,38): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (60,63): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (60,67): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/withlatestfrom.ts
    (60,71): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithtimeorcount.ts
    (18,52): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithtimeorcount.ts
    (19,52): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithtime.ts
    (27,52): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithtime.ts
    (28,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithtime.ts
    (29,52): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithtime.ts
    (30,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithcount.ts
    (20,53): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/windowwithcount.ts
    (21,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/window.ts
    (35,53): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/window.ts
    (35,62): error TS2454: Variable 'open' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/window.ts
    (36,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/window.ts
    (37,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/window.ts
    (37,19): error TS2454: Variable 'open' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/topromise.ts
    (34,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toasync.ts
    (54,33): error TS7006: Parameter 'a' implicitly has an 'any' type.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toasync.ts
    (55,33): error TS7006: Parameter 'a' implicitly has an 'any' type.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toasync.ts
    (55,36): error TS7006: Parameter 'b' implicitly has an 'any' type.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toasync.ts
    (56,33): error TS7006: Parameter 'a' implicitly has an 'any' type.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toasync.ts
    (56,36): error TS7006: Parameter 'b' implicitly has an 'any' type.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toasync.ts
    (56,39): error TS7006: Parameter 'c' implicitly has an 'any' type.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/toarray.ts
    (15,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timestamp.ts
    (27,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (67,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (68,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (69,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (70,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (71,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (71,20): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (72,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (72,27): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (73,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (73,20): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (74,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (74,27): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (76,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (77,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (78,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeout.ts
    (79,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/timeinterval.ts
    (28,6): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/throttle.ts
    (18,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/throttle.ts
    (19,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (100,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (100,10): error TS2454: Variable 'or' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (101,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (101,11): error TS2454: Variable 'or' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (103,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (104,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (106,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (107,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (108,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (109,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (110,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (111,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (112,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (113,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (114,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (115,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (116,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/tap.ts
    (117,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takewithtime.ts
    (25,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takeuntilwithtime.ts
    (27,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takeuntil.ts
    (18,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takeuntil.ts
    (18,21): error TS2454: Variable 'o2' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takelastwithtime.ts
    (22,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takelastbufferwithtime.ts
    (23,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takelastbufferwithtime.ts
    (24,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takelastbuffer.ts
    (21,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/takelast.ts
    (20,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/take.ts
    (21,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/switchfirst.ts
    (17,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/switch.ts
    (20,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/switch.ts
    (21,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sum.ts
    (19,5): error TS2454: Variable 'on' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sum.ts
    (20,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sum.ts
    (21,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/subscribeon.ts
    (23,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/startwith.ts
    (28,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/some.ts
    (18,5): error TS2454: Variable 'on' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/some.ts
    (19,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/some.ts
    (20,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skipwithtime.ts
    (27,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skipuntilwithtime.ts
    (37,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skipuntil.ts
    (17,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skipuntil.ts
    (17,21): error TS2454: Variable 'o2' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skiplastwithtime.ts
    (26,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skiplast.ts
    (19,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/skip.ts
    (15,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/singleinstance.ts
    (21,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/single.ts
    (22,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sharevalue.ts
    (22,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sharereplay.ts
    (30,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/share.ts
    (20,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sequenceequal.ts
    (37,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sequenceequal.ts
    (37,25): error TS2454: Variable 'o2' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/selectmanyobserver.ts
    (30,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/selectmanyobserver.ts
    (31,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/selectmanyobserver.ts
    (33,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/selectmanyobserver.ts
    (34,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/scan.ts
    (33,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (63,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (64,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (65,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (66,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (68,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (69,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (70,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/sample.ts
    (71,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/retrywhen.ts
    (21,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/retry.ts
    (20,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/retry.ts
    (21,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/replay.ts
    (49,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/replay.ts
    (49,18): error TS2345: Argument of type 'null' is not assignable to parameter of type '(source: ConnectableObservable<number>) => Observable<number>'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/repeatproto.ts
    (16,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/repeatproto.ts
    (17,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/repeat.ts
    (25,30): error TS2345: Argument of type 'null' is not assignable to parameter of type 'number | void | undefined'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/reduce.ts
    (26,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/publishvalue.ts
    (40,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/publishvalue.ts
    (41,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/publishlast.ts
    (39,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/publishlast.ts
    (40,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/publish.ts
    (38,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/publish.ts
    (39,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/pluck.ts
    (18,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/partition.ts
    (25,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/pairwise.ts
    (19,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/pairs.ts
    (28,5): error TS2322: Type 'Observable<[string, {}]>' is not assignable to type 'Observable<[number, string]>'.
      Type '[string, {}]' is not assignable to type '[number, string]'.
        Type 'string' is not assignable to type 'number'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/pairs.ts
    (29,5): error TS2322: Type 'Observable<[string, {}]>' is not assignable to type 'Observable<[number, string]>'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenextproto.ts
    (16,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenextproto.ts
    (16,29): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenext.ts
    (28,41): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenext.ts
    (28,44): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenext.ts
    (28,47): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenext.ts
    (28,50): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenext.ts
    (29,45): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/onerrorresumenext.ts
    (29,51): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/observeon.ts
    (20,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (51,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (51,22): error TS2454: Variable 'is' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (52,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (52,22): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (53,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (55,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (55,21): error TS2454: Variable 'is' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/multicast.ts
    (56,21): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/minby.ts
    (30,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/minby.ts
    (31,9): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/min.ts
    (19,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/min.ts
    (20,9): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (35,35): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (35,38): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (35,41): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (35,44): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (36,36): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (36,39): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (36,42): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergedelayerror.ts
    (36,45): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergeconcat.ts
    (34,9): error TS2454: Variable 'oo' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergeconcat.ts
    (35,17): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/mergeall.ts
    (16,38): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (36,29): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (36,32): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (36,35): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (36,38): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (37,33): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (37,39): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (38,52): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (38,58): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (39,53): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/merge.ts
    (39,59): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/maxby.ts
    (30,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/maxby.ts
    (31,9): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/max.ts
    (19,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/max.ts
    (20,9): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/materialize.ts
    (14,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/map.ts
    (23,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/manyselect.ts
    (25,52): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/manyselect.ts
    (26,52): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/let.ts
    (18,5): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/last.ts
    (14,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/jortsortuntil.ts
    (15,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/jortsortuntil.ts
    (15,55): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/jortsort.ts
    (15,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/isempty.ts
    (14,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/indexof.ts
    (16,37): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/indexof.ts
    (17,37): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/includes.ts
    (16,38): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/ignoreelements.ts
    (14,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/if.ts
    (24,35): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/if.ts
    (25,35): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/if.ts
    (25,38): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/if.ts
    (26,35): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/frompromise.ts
    (15,63): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoinproto.ts
    (18,9): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoinproto.ts
    (18,20): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoinproto.ts
    (19,20): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoin.ts
    (29,28): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoin.ts
    (29,31): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoin.ts
    (30,29): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/forkjoin.ts
    (30,32): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (180,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (181,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (182,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (183,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (184,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (185,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (186,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (187,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (188,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (189,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (190,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (191,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (193,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (194,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (195,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (196,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (197,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (198,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (199,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (200,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (201,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (202,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (203,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapwithmaxconcurrent.ts
    (204,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (83,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (84,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (85,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (86,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (87,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (88,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (89,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (90,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (91,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (92,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (93,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (94,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (96,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (97,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (98,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (99,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (100,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (101,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (102,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (103,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (104,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (105,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (106,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmaplatest.ts
    (107,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (84,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (85,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (86,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (87,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (88,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (89,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (90,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (91,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (92,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (93,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (94,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (95,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (97,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (98,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (99,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (100,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (101,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (102,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (103,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (104,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (105,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (106,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (107,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmapfirst.ts
    (108,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (171,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (172,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (173,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (174,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (175,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (176,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (177,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (178,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (179,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (180,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (181,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (182,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (184,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (185,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (186,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (187,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (188,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (189,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (190,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (191,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (192,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (193,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (194,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/flatmap.ts
    (195,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/first.ts
    (14,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/findindex.ts
    (17,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/find.ts
    (16,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/finally.ts
    (22,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/filter.ts
    (31,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/expand.ts
    (18,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/every.ts
    (17,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/every.ts
    (18,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/every.ts
    (19,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/elementat.ts
    (16,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/dowhile.ts
    (17,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/distinctuntilchanged.ts
    (21,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/distinct.ts
    (22,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/dematerialize.ts
    (14,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delaysubscription.ts
    (22,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delaysubscription.ts
    (23,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (66,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (67,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (68,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (69,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (71,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (72,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/delay.ts
    (73,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/defaultifempty.ts
    (21,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/defaultifempty.ts
    (22,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/debounce.ts
    (24,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/debounce.ts
    (25,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/debounce.ts
    (26,5): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/count.ts
    (22,5): error TS2454: Variable 'on' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/count.ts
    (23,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/count.ts
    (24,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatproto.ts
    (18,36): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatproto.ts
    (18,45): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatproto.ts
    (18,48): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatproto.ts
    (18,52): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatproto.ts
    (18,56): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatmapobserver.ts
    (30,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatmapobserver.ts
    (31,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatmapobserver.ts
    (33,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatmapobserver.ts
    (34,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatmap.ts
    (172,10): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatmap.ts
    (173,10): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concatall.ts
    (15,38): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (26,57): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (26,60): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (26,64): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (26,68): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (27,61): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (27,65): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/concat.ts
    (27,69): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (103,90): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (103,106): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (103,110): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (103,113): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (105,38): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (105,62): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (105,66): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatestproto.ts
    (105,70): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (94,118): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (94,121): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (94,125): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (94,128): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (96,74): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (96,77): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (96,81): error TS2454: Variable 'so' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/combinelatest.ts
    (96,85): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catchproto.ts
    (25,9): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catchproto.ts
    (30,17): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catchproto.ts
    (31,17): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (24,14): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (24,17): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (24,20): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (24,23): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (24,26): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (25,29): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (25,32): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (25,35): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (25,38): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/catch.ts
    (25,41): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (35,17): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (36,17): error TS2454: Variable 'e' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (37,17): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (40,13): error TS2454: Variable 'pn' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (41,13): error TS2454: Variable 'en' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (42,13): error TS2454: Variable 'on' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (45,45): error TS2454: Variable 'e' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/case.ts
    (49,42): error TS2454: Variable 'en' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithtimeorcount.ts
    (18,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithtimeorcount.ts
    (19,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithtime.ts
    (27,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithtime.ts
    (28,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithtime.ts
    (29,39): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithtime.ts
    (30,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithcount.ts
    (17,40): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/bufferwithcount.ts
    (18,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/buffer.ts
    (32,40): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/buffer.ts
    (32,49): error TS2454: Variable 'open' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/buffer.ts
    (33,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/buffer.ts
    (34,10): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/buffer.ts
    (34,19): error TS2454: Variable 'open' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/average.ts
    (18,5): error TS2454: Variable 'on' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/average.ts
    (19,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/average.ts
    (20,5): error TS2454: Variable 'os' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/asobservable.ts
    (15,38): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/and.ts
    (27,9): error TS2454: Variable 'r' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/and.ts
    (27,15): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/and.ts
    (27,22): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/and.ts
    (27,29): error TS2454: Variable 'c' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/ambproto.ts
    (19,9): error TS2454: Variable 'r' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/ambproto.ts
    (19,15): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/ambproto.ts
    (20,15): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/ambproto.ts
    (21,15): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (22,57): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (22,60): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (22,63): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (22,67): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (22,70): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (22,73): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (23,57): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (23,60): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (24,57): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (24,60): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (25,57): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/observable/amb.ts
    (25,61): error TS2454: Variable 'io' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/groupedobservable.ts
    (12,21): error TS2454: Variable 'go' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/groupedobservable.ts
    (13,38): error TS2454: Variable 'go' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/connectableobservable.ts
    (12,30): error TS2454: Variable 'co' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/linq/connectableobservable.ts
    (13,38): error TS2454: Variable 'co' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/joins/plan.ts
    (2,18): error TS2300: Duplicate identifier 'Plan'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/internal/priorityqueue.ts
    (23,20): error TS2403: Subsequent variable declarations must have the same type.  Variable 'PriorityQueue' must be of type 'PriorityQueueStatic', but here has type 'PriorityQueueStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/refcountdisposable.ts
    (30,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'RefCountDisposable' must be of type 'RefCountDisposableStatic', but here has type 'RefCountDisposableStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/disposable.ts
    (42,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Disposable' must be of type 'DisposableStatic', but here has type 'DisposableStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/disposable.ts
    (49,5): error TS2454: Variable 'id' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/disposable.ts
    (50,5): error TS2454: Variable 'd' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/disposable.ts
    (52,5): error TS2454: Variable 'd' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/disposable.ts
    (56,32): error TS2454: Variable 'd' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/compositedisposable.ts
    (35,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'CompositeDisposable' must be of type 'CompositeDisposableStatic', but here has type 'CompositeDisposableStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/booleandisposable.ts
    (19,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'SingleAssignmentDisposable' must be of type 'SingleAssignmentDisposableStatic', but here has type 'SingleAssignmentDisposableStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/disposables/booleandisposable.ts
    (37,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'SerialDisposable' must be of type 'SerialDisposableStatic', but here has type 'SerialDisposableStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (71,22): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (72,17): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (73,21): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (74,17): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (75,29): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (76,5): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (77,5): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (77,19): error TS2352: Type 'null' cannot be converted to type 'TA'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (78,5): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (78,19): error TS2352: Type 'null' cannot be converted to type 'TR'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (79,5): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (79,15): error TS2352: Type 'null' cannot be converted to type 'TR'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (80,45): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/virtualtimescheduler.ts
    (81,9): error TS2454: Variable 'vts' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduler.ts
    (47,29): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduler.ts
    (48,29): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduler.recursive.ts
    (26,29): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduler.recursive.ts
    (27,29): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduler.periodic.ts
    (18,30): error TS2454: Variable 's' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduleperiodicrecursive.ts
    (12,20): error TS2403: Subsequent variable declarations must have the same type.  Variable 'SchedulePeriodicRecursive' must be of type 'SchedulePeriodicRecursiveStatic', but here has type 'SchedulePeriodicRecursiveStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/scheduleditem.ts
    (23,20): error TS2403: Subsequent variable declarations must have the same type.  Variable 'ScheduledItem' must be of type 'ScheduledItemStatic', but here has type 'ScheduledItemStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/concurrency/currentthreadscheduler.ts
    (14,5): error TS2454: Variable 'a' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/windowed.ts
    (16,13): error TS2454: Variable 'controlledObserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/stopandwait.ts
    (15,13): error TS2454: Variable 'controlledObserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pauser.ts
    (21,5): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pauser.ts
    (22,5): error TS2454: Variable 'p' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pausablebuffered.ts
    (20,13): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pausablebuffered.ts
    (21,13): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pausablebuffered.ts
    (21,32): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pausable.ts
    (24,13): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pausable.ts
    (25,13): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/pausable.ts
    (25,24): error TS2454: Variable 'b' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/backpressure/controlled.ts
    (24,13): error TS2454: Variable 'o' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/scheduledobserver.ts
    (12,2): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer.ts
    (10,13): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-lite.ts
    (63,5): error TS2454: Variable 'iobserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-lite.ts
    (64,5): error TS2454: Variable 'iobserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-lite.ts
    (65,5): error TS2454: Variable 'iobserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-lite.ts
    (67,5): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-lite.ts
    (68,5): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-lite.ts
    (69,5): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-extras.ts
    (49,63): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-extras.ts
    (51,35): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-extras.ts
    (53,42): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-extras.ts
    (55,9): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observer-extras.ts
    (65,39): error TS2339: Property 'exception' does not exist on type 'Notification<number>'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (24,17): error TS2300: Duplicate identifier '_Selector'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (25,17): error TS2300: Duplicate identifier '_ValueOrSelector'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (26,17): error TS2300: Duplicate identifier '_Predicate'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (27,17): error TS2300: Duplicate identifier '_Comparer'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (28,17): error TS2300: Duplicate identifier '_Accumulator'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (31,21): error TS2300: Duplicate identifier '_FlatMapResultSelector'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (129,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (129,26): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (130,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (131,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (132,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (134,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (135,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (137,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (138,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (140,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (141,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (143,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (143,24): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (144,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (145,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/observable.ts
    (146,5): error TS2454: Variable 'observable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/notification.ts
    (69,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Notification' must be of type 'NotificationStatic', but here has type 'NotificationStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/notification.ts
    (77,25): error TS2454: Variable 'observer' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/es6.ts
    (5,17): error TS2300: Duplicate identifier 'ObservableOrPromise'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/es6.ts
    (7,17): error TS2300: Duplicate identifier 'ArrayLike'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/es6.ts
    (10,17): error TS2300: Duplicate identifier 'ArrayOrIterable'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/es5.ts
    (3,17): error TS2300: Duplicate identifier 'ObservableOrPromise'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/es5.ts
    (5,17): error TS2300: Duplicate identifier 'ArrayLike'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/es5.ts
    (8,17): error TS2300: Duplicate identifier 'ArrayOrIterable'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/checkedobserver.ts
    (13,17): error TS2454: Variable 'checkedObserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/checkedobserver.ts
    (14,5): error TS2454: Variable 'checkedObserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/anonymousobserver.ts
    (33,16): error TS2403: Subsequent variable declarations must have the same type.  Variable 'AnonymousObserver' must be of type 'AnonymousObserverStatic', but here has type 'AnonymousObserverStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/anonymousobserver.ts
    (41,17): error TS2454: Variable 'anonymousObserver' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/anonymousobservable.ts
    (10,18): error TS2454: Variable 'anonymousObservable' is used before being assigned.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/abstractobserver.ts
    (44,20): error TS2403: Subsequent variable declarations must have the same type.  Variable 'AbstractObserver' must be of type 'AbstractObserverStatic', but here has type 'AbstractObserverStatic'.

    ERROR in /home/www/openproject/frontend/bower_components/rxjs/ts/core/abstractobserver.ts
    (52,17): error TS2454: Variable 'abstractObserver' is used before being assigned.

    ERROR in ./components/wp-relations/wp-relations-create/wp-relations-autocomplete/wp-relations-autocomplete.directive.ts
    (108,9): error TS2322: Type 'IPromise<{}>' is not assignable to type 'Promise<WorkPackageResourceInterface[]>'.
      Types of property 'then' are incompatible.
        Type '{ <TResult>(successCallback: (promiseValue: {}) => TResult | IPromise<TResult>, errorCallback?: n...' is not assignable to type '{ <TResult1 = WorkPackageResourceInterface[], TResult2 = never>(onfulfilled?: ((value: WorkPackag...'.
          Type 'IPromise<any>' is not assignable to type 'Promise<any>'.

    ERROR in ./components/wp-create/wp-create.controller.ts
    (139,5): error TS2322: Type 'IPromise<never>' is not assignable to type 'Promise<any>'.
      Types of property 'then' are incompatible.
        Type '{ <TResult>(successCallback: (promiseValue: never) => TResult | IPromise<TResult>, errorCallback?...' is not assignable to type '{ <TResult1 = any, TResult2 = never>(onfulfilled?: ((value: any) => TResult1 | PromiseLike<TResul...'.
          Type 'IPromise<any>' is not assignable to type 'Promise<any>'.

    ERROR in ./components/context-menus/context-menu.service.ts
    (72,7): error TS2322: Type 'IPromise<undefined>' is not assignable to type 'Promise<void>'.
      Types of property 'then' are incompatible.
        Type '{ <TResult>(successCallback: (promiseValue: undefined) => TResult | IPromise<TResult>, errorCallb...' is not assignable to type '{ <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TRes...'.
          Type 'IPromise<any>' is not assignable to type 'Promise<any>'.
            Property '[Symbol.toStringTag]' is missing in type 'IPromise<any>'.

    ERROR in /home/www/openproject/frontend/app/components/api/api-v3/hal-resources/work-package-resource.service.test.ts
    (195,41): error TS2322: Type 'IPromise<any>' is not assignable to type 'Promise<any>'.

    ERROR in /home/www/openproject/frontend/app/components/api/api-v3/hal-resources/work-package-resource.service.test.ts
    (199,41): error TS2322: Type 'IPromise<any>' is not assignable to type 'Promise<any>'.
    Child extract-text-webpack-plugin:
           [0] ../vendor/select2/select2.png 861 bytes {0} [built]
           [1] ../vendor/select2/select2-spinner.gif 82 bytes {0} [built]
           [2] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [3] ../vendor/select2/select2x2.png 1.17 kB {0} [built]
           [4] ../~/css-loader!../~/postcss-loader!../vendor/select2/select2.css 13.3 kB {0} [built]
    Child extract-text-webpack-plugin:
           [0] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [1] ../~/css-loader!../~/postcss-loader!../vendor/at.js/jquery.atwho.min.css 750 bytes {0} [built]
    Child extract-text-webpack-plugin:
           [0] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [1] ../~/css-loader!../~/postcss-loader!../~/ui-select/dist/select.min.css 6.08 kB {0} [built]
    Child extract-text-webpack-plugin:
           [0] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [1] ../~/css-loader!../~/postcss-loader!../~/ng-dialog/css/ngDialog.min.css 1.3 kB {0} [built]
    Child extract-text-webpack-plugin:
           [0] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [1] ../~/css-loader!../~/postcss-loader!../~/jquery-ui/themes/base/datepicker.css 3.46 kB {0} [built]
    Child extract-text-webpack-plugin:
           [0] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [1] ../~/css-loader!../~/postcss-loader!../~/jquery-ui/themes/base/dialog.css 1.67 kB {0} [built]
    Child extract-text-webpack-plugin:
           [0] ../~/css-loader/cssToString.js 352 bytes {0} [built]
           [1] ../~/css-loader!../~/postcss-loader!../~/jquery-ui/themes/base/core.css 1.29 kB {0} [built]
rake aborted!
Command failed with status (2): [$(npm bin)/webpack --config webpack.produc...]
/home/www/openproject/lib/tasks/assets.rake:51:in `block (3 levels) in <top (required)>'
/home/www/openproject/lib/tasks/assets.rake:50:in `chdir'
/home/www/openproject/lib/tasks/assets.rake:50:in `block (2 levels) in <top (required)>'
/home/www/openproject/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/cli/exec.rb:74:in `load'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/cli/exec.rb:74:in `kernel_load'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/cli/exec.rb:27:in `run'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/cli.rb:360:in `exec'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/vendor/thor/lib/thor.rb:369:in `dispatch'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/cli.rb:20:in `dispatch'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/vendor/thor/lib/thor/base.rb:444:in `start'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/cli.rb:10:in `start'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/exe/bundle:35:in `block in <top (required)>'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/lib/bundler/friendly_errors.rb:121:in `with_friendly_errors'
/usr/local/rvm/gems/ruby-2.4.1/gems/bundler-1.15.1/exe/bundle:27:in `<top (required)>'
/usr/local/rvm/gems/ruby-2.4.1/bin/bundle:22:in `load'
/usr/local/rvm/gems/ruby-2.4.1/bin/bundle:22:in `<main>'
/usr/local/rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `eval'
/usr/local/rvm/gems/ruby-2.4.1/bin/ruby_executable_hooks:15:in `<main>'
Tasks: TOP => assets:precompile => assets:compile_environment => assets:prepare_op => assets:webpack
(See full trace by running task with --trace)