feat: downgrade uglify-js to v1

lib/modules/minWorker.js

@@ -9,7 +9,8 @@ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { de
 var path = require('path');
 var fs = require('fs');
 var crypto = require('crypto');
-var UglifyJS = require('uglify-js');
+var jsParser = require('uglify-js').parser;
+var jsUglify = require('uglify-js').uglify;
 var cssUglify = require('uglifycss');
 var extend = require('extend');
 var colors = require('colors');
@@ -33,18 +34,17 @@ process.on('message', function (m) {
             // variable name mangling
             var willMangle = true;
             var uglifyjsOpts = buildOpts.uglifyjs || {};
-            var isBuildOptsCloseMangle = uglifyjsOpts.mangle === false;
             var isCliArgvCloseMangle = typeof opt.min === 'string' && opt.min.split('=')[0] === 'mangle' && opt.min.split('=')[1] === 'false';
-            if (isBuildOptsCloseMangle || isCliArgvCloseMangle) {
+            var isBuildOptsCloseMangle = uglifyjsOpts.mangle === false;
+            if (isCliArgvCloseMangle || isBuildOptsCloseMangle) {
                 willMangle = false;
             }
 
             try {
-                var minifyResult = UglifyJS.minify(content, extend({
-                    fromString: true,
-                    mangle: willMangle
-                }, uglifyjsOpts));
-                minifiedCode = minifyResult.code;
+                var ast = jsParser.parse(content);
+                ast = willMangle ? jsUglify.ast_mangle(ast, uglifyjsOpts.mangle) : ast;
+                ast = uglifyjsOpts.squeeze ? jsUglify.ast_squeeze(ast, uglifyjsOpts.squeeze) : ast;
+                minifiedCode = jsUglify.gen_code(ast, uglifyjsOpts.genCode);
             } catch (e) {
                 var type = (0, _typeof3.default)(e.line);
 

package.json

@@ -58,7 +58,7 @@
     "shelljs": "^0.7.8",
     "style-loader": "^0.13.1",
     "through2": "^2.0.1",
-    "uglify-js": "2.7.5",
+    "uglify-js": "1.3.5",
     "uglifycss": "0.0.25",
     "webpack": "^3.5.4",
     "webpack-dev-middleware": "^1.12.0",

src/modules/minWorker.js

@@ -1,7 +1,8 @@
 const path = require('path');
 const fs = require('fs');
 const crypto = require('crypto');
-const UglifyJS = require('uglify-js');
+const jsParser = require('uglify-js').parser;
+const jsUglify = require('uglify-js').uglify;
 const cssUglify = require('uglifycss');
 const extend = require('extend');
 const colors = require('colors');
@@ -25,25 +26,20 @@ process.on('message', function(m) {
             // variable name mangling
             let willMangle = true;
             const uglifyjsOpts = buildOpts.uglifyjs || {};
+            const isCliArgvCloseMangle = typeof opt.min === 'string' && opt.min.split('=')[0] === 'mangle' && opt.min.split('=')[1] === 'false';
             const isBuildOptsCloseMangle = uglifyjsOpts.mangle === false;
-            const isCliArgvCloseMangle = typeof opt.min === 'string' && opt.min.split('=')[0] === 'mangle'
-                                        && opt.min.split('=')[1] === 'false';
-            if (isBuildOptsCloseMangle || isCliArgvCloseMangle) {
+            if (isCliArgvCloseMangle || isBuildOptsCloseMangle) {
                 willMangle = false;
             }
 
             try {
-                const minifyResult = UglifyJS.minify(content, extend(
-                    {
-                        fromString: true,
-                        mangle: willMangle
-                    },
-                    uglifyjsOpts
-                ));
-                minifiedCode = minifyResult.code;
+                let ast = jsParser.parse(content);
+                ast = willMangle ? jsUglify.ast_mangle(ast, uglifyjsOpts.mangle) : ast;
+                ast = uglifyjsOpts.squeeze ? jsUglify.ast_squeeze(ast, uglifyjsOpts.squeeze) : ast;
+                minifiedCode = jsUglify.gen_code(ast, uglifyjsOpts.genCode);
             } catch(e) {
                 var type = typeof e.line;
-                
+
                 if(e.line) {
                     const lineRange = 5;
                     let errorSource = '';

yarn.lock

@@ -242,10 +242,6 @@ async@^2.1.2, async@^2.4.1:
   dependencies:
     lodash "^4.14.0"
 
-async@~0.2.6:
-  version "0.2.10"
-  resolved "http://registry.npm.corp.qunar.com/async/download/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
-
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "http://registry.npm.corp.qunar.com/asynckit/download/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -2076,11 +2072,7 @@ expand-tilde@^2.0.2:
   dependencies:
     homedir-polyfill "^1.0.1"
 
-extend@^3.0.0, extend@~3.0.0:
-  version "3.0.1"
-  resolved "http://registry.npm.corp.qunar.com/extend/download/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
-
-extend@^3.0.1:
+extend@^3.0.0, extend@^3.0.1, extend@~3.0.0:
   version "3.0.1"
   resolved "https://repo.corp.qunar.com/artifactory/api/npm/npm-qunar/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
@@ -5441,14 +5433,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "http://registry.npm.corp.qunar.com/typedarray/download/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-[email protected]:
-  version "2.7.5"
-  resolved "http://registry.npm.corp.qunar.com/uglify-js/download/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
-  dependencies:
-    async "~0.2.6"
-    source-map "~0.5.1"
-    uglify-to-browserify "~1.0.0"
-    yargs "~3.10.0"
+[email protected]:
+  version "1.3.5"
+  resolved "https://repo.corp.qunar.com/artifactory/api/npm/npm-qunar/uglify-js/-/uglify-js-1.3.5.tgz#4b5bfff9186effbaa888e4c9e94bd9fc4c94929d"
 
 [email protected]:
   version "3.0.24"