refactor(@angular-devkit/build-angular): compare the target with

mgechev · mgechev · commit 7a935518dc06 · 2019-04-19T10:48:43.000-07:00
ScriptTarget

Compare with ScriptTarget and consider ES2017 and newer.
diff --git a/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/common.ts b/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/common.ts
@@ -295,7 +295,8 @@ export function getCommonConfig(wco: WebpackConfigOptions): Configuration {
     );
   }
 
-  if (wco.tsConfig.options.target === 4) {
+  if (wco.tsConfig.options.target !== undefined &&
+      wco.tsConfig.options.target >= ts.ScriptTarget.ES2017) {
     wco.logger.warn(tags.stripIndent`
       WARNING: Zone.js does not support native async/await in ES2017.
       These blocks are not intercepted by zone.js and will not triggering change detection.

Original file line number	Diff line number	Diff line change
`@@ -295,7 +295,8 @@ export function getCommonConfig(wco: WebpackConfigOptions): Configuration {`
`295`	`295`	`);`
`296`	`296`	`}`
`297`	`297`
`298`		`- if (wco.tsConfig.options.target === 4) {`
	`298`	`+ if (wco.tsConfig.options.target !== undefined &&`
	`299`	`+ wco.tsConfig.options.target >= ts.ScriptTarget.ES2017) {`
`299`	`300`	wco.logger.warn(tags.stripIndent`
`300`	`301`	`WARNING: Zone.js does not support native async/await in ES2017.`
`301`	`302`	`These blocks are not intercepted by zone.js and will not triggering change detection.`