Ionic serve gives an error


#1

Hi to all
when I run ionic serve I get the following error in terminal

[app-scripts]             A computed property name in an interface must directly refer to a built-in symbol.
[app-scripts]      L137:  * This must be stored in the view rather than using `data` as a marker so that
[app-scripts]      L138:  * we can properly support embedded views. Otherwise, when exiting a child view
[app-scripts]             A computed property name in an interface must directly refer to a built-in symbol.
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 87
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 94
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 103
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 109
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 111
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 113
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 115
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 122
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 131
[app-scripts] [15:54:15]  typescript: ...awrooz-working-on-it/node_modules/@angular/core/src/render3/interfaces/view.d.ts, line: 137
[app-scripts] [15:54:15]  typescript: ...pp/nawrooz-working-on-it/node_modules/@angular/core/src/sanitization/bypass.d.ts, line: 23
[app-scripts] [15:54:15]  typescript: ...pp/nawrooz-working-on-it/node_modules/@angular/core/src/sanitization/bypass.d.ts, line: 31
[app-scripts] [15:54:15]  typescript: ...pp/nawrooz-working-on-it/node_modules/@angular/core/src/sanitization/bypass.d.ts, line: 39
[app-scripts] [15:54:15]  typescript: ...pp/nawrooz-working-on-it/node_modules/@angular/core/src/sanitization/bypass.d.ts, line: 47
[app-scripts] [15:54:15]  typescript: ...pp/nawrooz-working-on-it/node_modules/@angular/core/src/sanitization/bypass.d.ts, line: 55
[app-scripts] [15:54:15]  typescript: ...pp/nawrooz-working-on-it/node_modules/@angular/core/src/sanitization/bypass.d.ts, line: 63
[app-scripts]       L23:  export interface TrustedHtmlString extends TrustedString {
[app-scripts]       L24:      [BRAND]: BypassType.Html;
[app-scripts]             A computed property name in an interface must directly refer to a built-in symbol.

this is my console error


But if I save a .ts file any file from the project then the app start without any error.

this is ionic info

√ Gathering environment info - done!

Ionic:

   ionic (Ionic CLI)  : 4.2.1 (C:\Users\developer.web\AppData\Roaming\npm\node_modules\ionic)
   Ionic Framework    : ionic-angular 3.9.2
   @ionic/app-scripts : 3.1.11

Cordova:

   cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
   Cordova Platforms     : not available
   Cordova Plugins       : cordova-plugin-ionic-keyboard 2.0.5, cordova-plugin-ionic-webview 1.1.1, (and 9 other plugins)

System:

   NodeJS : v8.11.2 (C:\Program Files\nodejs\node.exe)
   npm    : 5.6.0
   OS     : Windows 10

any help please?


Refused to apply style from 'http://localhost:8100/build/main.css' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled