build: update @types/webpack-sources to version ^1.4.2

Author: alan-agius4

package.json

@@ -121,7 +121,7 @@
     "@types/uuid": "^8.0.0",
     "@types/webpack": "^4.32.1",
     "@types/webpack-dev-server": "^3.1.7",
-    "@types/webpack-sources": "^0.1.5",
+    "@types/webpack-sources": "^1.4.2",
     "@yarnpkg/lockfile": "1.1.0",
     "ajv": "6.12.0",
     "ansi-colors": "4.1.1",

packages/angular_devkit/build_angular/plugins/webpack/analytics.ts

@@ -12,12 +12,12 @@ import {
   Stats,
   compilation,
 } from 'webpack';
-import { Source } from 'webpack-sources';
+import { OriginalSource } from 'webpack-sources';
 
 const NormalModule = require('webpack/lib/NormalModule');
 
 interface NormalModule extends Module {
-  _source?: Source | null;
+  _source?: OriginalSource | null;
   resource?: string;
 }
 

packages/angular_devkit/build_angular/src/angular-cli-files/plugins/optimize-css-webpack-plugin.ts

@@ -8,7 +8,7 @@
 import * as cssNano from 'cssnano';
 import { ProcessOptions, Result } from 'postcss';
 import { Compiler, compilation } from 'webpack';
-import { RawSource, Source, SourceMapSource } from 'webpack-sources';
+import { OriginalSource, RawSource, SourceMapSource } from 'webpack-sources';
 import { addWarning } from '../../utils/webpack-diagnostics';
 
 export interface OptimizeCssWebpackPluginOptions {
@@ -58,7 +58,7 @@ export class OptimizeCssWebpackPlugin {
       const actions = files
         .filter(file => this._options.test(file))
         .map(async file => {
-          const asset = compilation.assets[file] as Source;
+          const asset = compilation.assets[file] as OriginalSource;
           if (!asset) {
             return;
           }

yarn.lock

@@ -2006,6 +2006,15 @@
     "@types/source-list-map" "*"
     source-map "^0.6.1"
 
+"@types/webpack-sources@^1.4.2":
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/@types/webpack-sources/-/webpack-sources-1.4.2.tgz#5d3d4dea04008a779a90135ff96fb5c0c9e6292c"
+  integrity sha512-77T++JyKow4BQB/m9O96n9d/UUHWLQHlcqXb9Vsf4F1+wKNrrlWNFPDLKNT92RJnCSL6CieTc+NDXtCVZswdTw==
+  dependencies:
+    "@types/node" "*"
+    "@types/source-list-map" "*"
+    source-map "^0.7.3"
+
 "@types/webpack@*", "@types/webpack@^4.32.1":
   version "4.41.12"
   resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.12.tgz#0386ee2a2814368e2f2397abb036c0bf173ff6c3"