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terser-webpack-plugin-tests.ts
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terser-webpack-plugin-tests.ts
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/// <reference types="node" />
import webpack = require('webpack');
import TerserPlugin = require('terser-webpack-plugin');
const _ = webpack({
optimization: {
minimize: true,
minimizer: [
// test
new TerserPlugin({
test: /\.js(\?.*)?$/i,
}),
// include
new TerserPlugin({
include: /\/includes/,
}),
// exclude
new TerserPlugin({
exclude: /\/excludes/,
}),
// cache
new TerserPlugin({
cache: true,
}),
new TerserPlugin({
cache: 'path/to/cache',
}),
// cacheKeys
new TerserPlugin({
cache: true,
cacheKeys: (defaultCacheKeys, file) => {
defaultCacheKeys.myCacheKey = 'myCacheKeyValue';
return defaultCacheKeys;
},
}),
// parallel
new TerserPlugin({
parallel: true,
}),
new TerserPlugin({
parallel: 4,
}),
// sourceMap
new TerserPlugin({
sourceMap: true,
}),
// minify
new TerserPlugin({
minify: (file, sourceMap, minimizerOptions) => {
minimizerOptions!; // $ExpectType MinifyOptions
const results: TerserPlugin.MinifyResult = {
code: '',
extractedComments: [''],
map: '',
};
return results;
},
}),
// terserOptions
new TerserPlugin({
terserOptions: {
ecma: undefined,
warnings: false,
parse: {},
compress: {},
mangle: true, // Note `mangle.properties` is `false` by default.
module: false,
output: undefined,
toplevel: false,
nameCache: undefined,
ie8: false,
keep_classnames: undefined,
keep_fnames: false,
safari10: false,
},
}),
// extractComments
new TerserPlugin({
extractComments: true,
}),
new TerserPlugin({
extractComments: 'all',
}),
new TerserPlugin({
extractComments: /@extract/i,
}),
new TerserPlugin({
extractComments: (astNode, comment) => {
if (/@extract/i.test(comment.value)) {
return true;
}
return false;
},
}),
new TerserPlugin({
extractComments: {
condition: /^\**!|@preserve|@license|@cc_on/i,
filename: (fileData: TerserPlugin.FileData) => {
// The "fileData" argument contains object with "filename", "basename", "query" and "hash"
return `${fileData.filename}.LICENSE.txt${fileData.query}`;
},
banner: licenseFile => {
return `License information can be found in ${licenseFile}`;
},
},
}),
new TerserPlugin({
extractComments: {
condition: /^\**!|@preserve|@license|@cc_on/i,
banner: false,
},
}),
// varia
new TerserPlugin({
terserOptions: {
output: {
comments: /@license/i,
},
},
extractComments: true,
}),
new TerserPlugin({
terserOptions: {
output: {
comments: false,
},
},
extractComments: false,
}),
new TerserPlugin({
terserOptions: {
ecma: undefined,
parse: {},
compress: {},
mangle: true, // Note `mangle.properties` is `false` by default.
module: false,
output: undefined,
toplevel: false,
nameCache: undefined,
ie8: false,
keep_classnames: undefined,
keep_fnames: false,
safari10: false,
},
}),
],
},
});