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[TIMOB-26117] Use polyfill #32

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[TIMOB-26117] Use polyfill #32

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96f1e3a
[TIMOB-26117] Use polyfill
Jun 12, 2018
cf3570f
[TIMOB-26117] Fix useBuiltIns
Jun 12, 2018
e102a3d
[TIMOB-25802] Use minify
Jun 12, 2018
ad3a00d
[TIMOB-26117] Copy polyfill instead of using npm
Jun 13, 2018
c8b3cf3
[TIMOB-26117] Add scary warning
garymathews Jun 14, 2018
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38 changes: 35 additions & 3 deletions lib/jsanalyze.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,13 @@

var appc = require('node-appc'),
fs = require('fs'),
path = require('path'),
DOMParser = require('xmldom').DOMParser,
babel = require('babel-core'),
babylon = require('babylon'),
types = require('babel-types'),
traverse = require('babel-traverse').default,
babili = require.resolve('babel-preset-babili'),
minify = require('babel-preset-minify'),
env = require('babel-preset-env'),
__ = appc.i18n(__dirname).__,
apiUsage = {};
Expand Down Expand Up @@ -171,7 +172,38 @@ exports.analyzeJs = function analyzeJs(contents, opts) {
// transpile
if (opts.transpile) {
options.plugins.push(require.resolve('./global-this'));
options.presets.push([ env, { targets: opts.targets } ]);
options.plugins.push(require.resolve('babel-plugin-transform-async-to-generator'));
options.presets.push([ env, { targets: opts.targets, useBuiltIns: true } ]);

// install polyfill
if (opts.resourcesDir) {
const modulesDir = path.join(opts.resourcesDir, 'node_modules');

// make sure our 'node_modules' directory exists
if (!fs.existsSync(modulesDir)) {
fs.mkdirSync(modulesDir);
}

// copy over polyfill and its dependencies
// WARNING: REMEMBER TO UPDATE THIS IF 'babel-polyfill' DEPENDENCIES CHANGE!
[ 'babel-polyfill', 'core-js', 'regenerator-runtime' ].forEach((moduleName) => {
const moduleSrcDir = path.dirname(require.resolve(path.join(moduleName, 'package.json'))),
moduleDstDir = path.join(modulesDir, moduleName);

// copy over module if it does not exist
if (!fs.existsSync(moduleDstDir)) {

// on windows copy over the module
if (process.platform === 'win32') {
appc.fs.copyDirSyncRecursive(moduleSrcDir, moduleDstDir);

// on osx we can optimize by creating symbolic links
} else {
fs.symlinkSync(moduleSrcDir, moduleDstDir, 'dir');
}
}
});
}
}

// minify
Expand All @@ -182,7 +214,7 @@ exports.analyzeJs = function analyzeJs(contents, opts) {
comments: false
});

options.presets.push([ babili, {
options.presets.push([ minify, {
mangle: false,
deadcode: false
} ]);
Expand Down