build: update terser to version 5.0.0

Author: alan-agius4

package.json

@@ -212,7 +212,7 @@
     "symbol-observable": "1.2.0",
     "tar": "^6.0.0",
     "temp": "^0.9.0",
-    "terser": "4.6.11",
+    "terser": "5.0.0",
     "terser-webpack-plugin": "3.0.8",
     "through2": "^4.0.0",
     "tree-kill": "1.2.2",

packages/angular_devkit/build_angular/package.json

@@ -62,7 +62,7 @@
     "style-loader": "1.2.1",
     "stylus": "0.54.8",
     "stylus-loader": "3.0.2",
-    "terser": "4.8.0",
+    "terser": "5.0.0",
     "terser-webpack-plugin": "3.0.8",
     "tree-kill": "1.2.2",
     "webpack": "4.44.1",

packages/angular_devkit/build_angular/src/utils/process-bundle.ts

@@ -335,7 +335,7 @@ async function processBundle(
       filename,
       map: rawMap,
       compress: !isOriginal, // We only compress bundles which are downlevelled.
-      ecma: isOriginal ? 6 : 5,
+      ecma: isOriginal ? 2015 : 5,
     });
   } else {
     result = {
@@ -378,18 +378,18 @@ async function processBundle(
 
 async function terserMangle(
   code: string,
-  options: { filename?: string; map?: RawSourceMap; compress?: boolean; ecma?: 5 | 6 } = {},
+  options: { filename?: string; map?: RawSourceMap; compress?: boolean; ecma?: 5 | 2015 } = {},
 ) {
   // Note: Investigate converting the AST instead of re-parsing
   // estree -> terser is already supported; need babel -> estree/terser
 
   // Mangle downlevel code
-  const minifyOutput = minify(options.filename ? { [options.filename]: code } : code, {
+  const minifyOutput = await minify(options.filename ? { [options.filename]: code } : code, {
     compress: allowMinify && !!options.compress,
     ecma: options.ecma || 5,
     mangle: allowMangle,
     safari10: true,
-    output: {
+    format: {
       ascii_only: true,
       webkit: true,
       beautify: shouldBeautify,
@@ -403,10 +403,6 @@ async function terserMangle(
       } as any),
   });
 
-  if (minifyOutput.error) {
-    throw minifyOutput.error;
-  }
-
   // tslint:disable-next-line: no-non-null-assertion
   const outputCode = minifyOutput.code!;
 

yarn.lock

@@ -12500,28 +12500,28 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@4.6.11:
-  version "4.6.11"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.11.tgz#12ff99fdd62a26de2a82f508515407eb6ccd8a9f"
-  integrity sha512-76Ynm7OXUG5xhOpblhytE7X58oeNSmC8xnNhjWVo8CksHit0U0kO4hfNbPrrYwowLWFgM2n9L176VNx2QaHmtA==
+terser@5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.0.0.tgz#269640e4e92f15d628de1e5f01c4c61e1ba3d765"
+  integrity sha512-olH2DwGINoSuEpSGd+BsPuAQaA3OrHnHnFL/rDB2TVNc3srUbz/rq/j2BlF4zDXI+JqAvGr86bIm1R2cJgZ3FA==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
-terser@4.8.0, terser@^4.8.0:
-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
-  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
+terser@^4.1.2, terser@^4.3.8:
+  version "4.6.13"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.13.tgz#e879a7364a5e0db52ba4891ecde007422c56a916"
+  integrity sha512-wMvqukYgVpQlymbnNbabVZbtM6PN63AzqexpwJL8tbh/mRT9LE5o+ruVduAGL7D6Fpjl+Q+06U5I9Ul82odAhw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
-terser@^4.1.2, terser@^4.3.8:
-  version "4.6.13"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.13.tgz#e879a7364a5e0db52ba4891ecde007422c56a916"
-  integrity sha512-wMvqukYgVpQlymbnNbabVZbtM6PN63AzqexpwJL8tbh/mRT9LE5o+ruVduAGL7D6Fpjl+Q+06U5I9Ul82odAhw==
+terser@^4.8.0:
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
+  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"