问题
I have about 80ish errors in my visual studio 2017 error list window after upgrading to angular 6. Those errors only appear in VS as ng serve in command line compiles fine and the application works fine.
Severity Code Description Project File Line Suppression State
Error TS2339 (TS) Property 'length' does not exist on type '{}'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\pollution\pollution.component.ts 101 Active
Error TS2415 (TS) Class 'FocusKeyManager<T>' incorrectly extends base class 'ListKeyManager<FocusableOption & T>'.
Types of property 'setActiveItem' are incompatible.
Type '(index: number) => void' is not assignable to type '{ (index: number): void; (item: FocusableOption & T): void; }'.
Types of parameters 'index' and 'item' are incompatible.
Type 'FocusableOption & T' is not assignable to type 'number'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\a11y\typings\key-manager\focus-key-manager.d.ts 19 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\collections\typings\data-source.d.ts 8 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\collections\typings\selection.d.ts 8 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\layout\typings\breakpoints-observer.d.ts 10 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\overlay\typings\overlay-ref.d.ts 11 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\overlay\typings\overlay-ref.d.ts 12 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\overlay\typings\position\connected-position-strategy.d.ts 12 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subscription"' has no exported member 'Subscription'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\scrolling\typings\scroll-dispatcher.d.ts 10 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\scrolling\typings\scroll-dispatcher.d.ts 11 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\scrolling\typings\scrollable.d.ts 9 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\scrolling\typings\viewport-ruler.d.ts 10 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\cdk\stepper\typings\stepper.d.ts 12 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\compiler\src\output\output_ast.d.ts 600 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\compiler\src\output\output_ast.d.ts 601 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\compiler\src\output\output_ast.d.ts 602 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\container.d.ts 35 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\container.d.ts 40 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\container.d.ts 45 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\container.d.ts 50 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\container.d.ts 58 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\container.d.ts 79 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 50 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 56 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 66 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 68 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 70 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 79 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 87 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 94 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 103 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 109 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 111 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 113 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 115 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 122 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 131 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\render3\interfaces\view.d.ts 137 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 10 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 11 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 12 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 13 Active
Error TS2474 (TS) In 'const' enum declarations member initializer must be constant expression. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 14 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 23 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 31 Active
Error TS2535 (TS) Enum type 'BypassType' has members with initializers that are not literals. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 31 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 39 Active
Error TS2535 (TS) Enum type 'BypassType' has members with initializers that are not literals. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 39 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 47 Active
Error TS2535 (TS) Enum type 'BypassType' has members with initializers that are not literals. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 47 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 55 Active
Error TS2535 (TS) Enum type 'BypassType' has members with initializers that are not literals. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 55 Active
Error TS1169 (TS) A computed property name in an interface must directly refer to a built-in symbol. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 63 Active
Error TS2535 (TS) Enum type 'BypassType' has members with initializers that are not literals. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\core\src\sanitization\bypass.d.ts 63 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\autocomplete\typings\autocomplete-trigger.d.ts 14 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\chips\typings\chip-list.d.ts 15 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\chips\typings\chip.d.ts 11 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\core\typings\common-behaviors\error-state.d.ts 11 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\core\typings\common-behaviors\initialized.d.ts 9 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\core\typings\datetime\date-adapter.d.ts 9 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\core\typings\datetime\date-adapter.d.ts 10 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\core\typings\option\option.d.ts 1 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\datepicker\typings\datepicker-intl.d.ts 1 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\dialog\typings\dialog-ref.d.ts 11 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\dialog\typings\dialog.d.ts 5 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\dialog\typings\dialog.d.ts 6 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\expansion\typings\expansion-panel.d.ts 13 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\form-field\typings\form-field-control.d.ts 8 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Observable"' has no exported member 'Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\icon\typings\icon-registry.d.ts 4 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\sort\typings\sort-header-intl.d.ts 9 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project)
C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\sort\typings\sort.d.ts 11 Active
Error TS2305 (TS) Module '"C:/Users/anon/Documents/Projects/EEA.Projects/DEP/MassAir/Web/node_modules/rxjs/Subject"' has no exported member 'Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\@angular\material\stepper\typings\stepper-intl.d.ts 1 Active
Error TS2307 (TS) Cannot find module 'rxjs-compat/Observable'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\rxjs\Observable.d.ts 1 Active
Error TS2307 (TS) Cannot find module 'rxjs-compat/Subject'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\rxjs\Subject.d.ts 1 Active
Error TS2307 (TS) Cannot find module 'rxjs-compat/Subscription'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\node_modules\rxjs\Subscription.d.ts 1 Active
Error TS2345 (TS) Argument of type '{}' is not assignable to parameter of type 'string'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\lookup\lookup.component.ts 68 Active
Error TS2345 (TS) Argument of type '{}' is not assignable to parameter of type 'string'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\monitor\monitor.component.ts 76 Active
Error TS2345 (TS) Argument of type '{}' is not assignable to parameter of type 'string'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\parameter\parameter.component.ts 76 Active
Error TS2339 (TS) Property 'length' does not exist on type '{}'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\pollution\pollution.component.ts 110 Active
Error TS2345 (TS) Argument of type '{
}' is not assignable to parameter of type 'string'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\rule\rule.component.ts 89 Active
Error TS2345 (TS) Argument of type '{}' is not assignable to parameter of type 'string'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\rule\rule.component.ts 99 Active
Error TS2345 (TS) Argument of type '{}' is not assignable to parameter of type 'string'. C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web (tsconfig or jsconfig project) C:\Users\anon\Documents\Projects\EEA.Projects\DEP\MassAir\Web\src\app\components\site\site.component.ts 125 Active
回答1:
It is a typescript versioning issue, you may resolve it by changing Typescript version in project properties. Install Typescript 3.0.1.
Right click on the project node in Solution Explorer Click Properties
Go to the TypeScript Build tab
Change TypeScript version to the desired version or "use latest available" to always default to the newest version installed.
来源：https://stackoverflow.com/questions/51846265/a-lot-of-intellisense-errors-after-angular-6-upgrade