From ab2ab5d130ac80e3b594a6b2dec0fadb14b8e5e0 Mon Sep 17 00:00:00 2001 From: Tobias Koppers Date: Wed, 31 Jul 2019 11:21:48 +0200 Subject: [PATCH 1/3] test(snapshot): serialize snapshots of JSON in readable way --- test/sourceMap-option.test.js | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/test/sourceMap-option.test.js b/test/sourceMap-option.test.js index f79ca2de..12cd4bd5 100644 --- a/test/sourceMap-option.test.js +++ b/test/sourceMap-option.test.js @@ -2,6 +2,19 @@ import TerserPlugin from '../src/index'; import { createCompiler, compile, cleanErrorStack } from './helpers'; +expect.addSnapshotSerializer({ + test: (value) => { + // For string that are valid JSON + if (typeof value !== 'string') return false; + try { + return typeof JSON.parse(value) === 'object'; + } catch (e) { + return false; + } + }, + print: (value) => JSON.stringify(JSON.parse(value), null, 2), +}); + describe('when options.sourceMap', () => { it('matches snapshot for a single `false` value (`devtool` is `source-map`)', () => { const compiler = createCompiler({ From 771faf978e1c969a27940c192038be21a449a148 Mon Sep 17 00:00:00 2001 From: Tobias Koppers Date: Wed, 31 Jul 2019 11:24:26 +0200 Subject: [PATCH 2/3] fix(sourcemap): generate higher quality SourceMaps --- package.json | 2 +- src/index.js | 3 ++- src/minify.js | 6 ++---- test/__snapshots__/worker.test.js.snap | 2 +- 4 files changed, 6 insertions(+), 7 deletions(-) diff --git a/package.json b/package.json index 0756c928..cd8334a8 100644 --- a/package.json +++ b/package.json @@ -44,7 +44,7 @@ "schema-utils": "^1.0.0", "serialize-javascript": "^1.7.0", "source-map": "^0.6.1", - "terser": "^4.1.2", + "terser": "^4.0.0", "webpack-sources": "^1.4.0", "worker-farm": "^1.7.0" }, diff --git a/src/index.js b/src/index.js index a92482a5..f18ec2c8 100644 --- a/src/index.js +++ b/src/index.js @@ -299,7 +299,8 @@ class TerserPlugin { file, JSON.parse(map), input, - inputSourceMap + inputSourceMap, + true ); } else { outputSource = new RawSource(code); diff --git a/src/minify.js b/src/minify.js index 077c5d5a..b3b67981 100644 --- a/src/minify.js +++ b/src/minify.js @@ -158,11 +158,9 @@ const minify = (options) => { // Copy terser options const terserOptions = buildTerserOptions(options.terserOptions); - // Add source map data + // Let terser generate a SourceMap if (inputSourceMap) { - terserOptions.sourceMap = { - content: inputSourceMap, - }; + terserOptions.sourceMap = true; } const extractedComments = []; diff --git a/test/__snapshots__/worker.test.js.snap b/test/__snapshots__/worker.test.js.snap index 667006aa..24b67e6d 100644 --- a/test/__snapshots__/worker.test.js.snap +++ b/test/__snapshots__/worker.test.js.snap @@ -55,7 +55,7 @@ Object { "code": "function foo(f){if(f)return bar()}", "error": undefined, "extractedComments": Array [], - "map": "{\\"version\\":3,\\"sources\\":[\\"test1.js\\"],\\"names\\":[\\"foo\\",\\"x\\",\\"not_called1\\"],\\"mappings\\":\\"AAAA,SAASA,IAAIC,GACT,GACIA,EAAA,OACAC\\"}", + "map": "{\\"version\\":3,\\"sources\\":[\\"test6.js\\"],\\"names\\":[\\"foo\\",\\"x\\",\\"bar\\"],\\"mappings\\":\\"AAAA,SAASA,IAAIC,GAAK,GAAIA,EAAK,OAAOC\\"}", "warnings": undefined, } `; From d6dcb2739e58881ba7d15972871250753bb825b9 Mon Sep 17 00:00:00 2001 From: evilebottnawi Date: Wed, 31 Jul 2019 14:12:16 +0300 Subject: [PATCH 3/3] test: update snapshots --- .../sourceMap-option.test.js.snap | 127 ++++++++++++++++-- 1 file changed, 118 insertions(+), 9 deletions(-) diff --git a/test/__snapshots__/sourceMap-option.test.js.snap b/test/__snapshots__/sourceMap-option.test.js.snap index b62e382f..d7ab7ae9 100644 --- a/test/__snapshots__/sourceMap-option.test.js.snap +++ b/test/__snapshots__/sourceMap-option.test.js.snap @@ -18,21 +18,73 @@ exports[`when options.sourceMap matches snapshot for a single \`true\` value (\` exports[`when options.sourceMap matches snapshot for a single \`true\` value (\`devtool\` is \`false\`): warnings 1`] = `Array []`; -exports[`when options.sourceMap matches snapshot for a single \`true\` value (\`devtool\` is \`source-map\`) and source map invalid: broken-source-map.js 1`] = `"var test = 1;"`; +exports[`when options.sourceMap matches snapshot for a single \`true\` value (\`devtool\` is \`source-map\`) and source map invalid: broken-source-map.js 1`] = `"var test=1;"`; -exports[`when options.sourceMap matches snapshot for a single \`true\` value (\`devtool\` is \`source-map\`) and source map invalid: errors 1`] = ` -Array [ - "Error: broken-source-map.js from Terser -Error: \\"version\\" is a required argument.", -] -`; +exports[`when options.sourceMap matches snapshot for a single \`true\` value (\`devtool\` is \`source-map\`) and source map invalid: errors 1`] = `Array []`; exports[`when options.sourceMap matches snapshot for a single \`true\` value (\`devtool\` is \`source-map\`) and source map invalid: main.570dae94f20910a17e2c.js 1`] = ` "!function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){\\"undefined\\"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:\\"Module\\"}),Object.defineProperty(e,\\"__esModule\\",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&\\"object\\"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,\\"default\\",{enumerable:!0,value:e}),2&t&&\\"string\\"!=typeof e)for(var o in e)n.d(r,o,function(t){return e[t]}.bind(null,o));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,\\"a\\",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p=\\"\\",n(n.s=0)}([function(e,t){e.exports=function(){console.log(7)}}]); 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