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webpack.config.js
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webpack.config.js
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/**
* secp256k1-key-pair webpack build rules.
*
* @author Digital Bazaar, Inc.
*
* Copyright 2010-2019 Digital Bazaar, Inc.
*/
const path = require('path');
const webpackMerge = require('webpack-merge');
// build multiple outputs
module.exports = [];
// custom setup for each output
// all built files will export the
// "secp256k1-key-pairs" library but with
// different content
const outputs = [
// core secp256k1-key-pairs library
{
entry: [
// '@babel/polyfill' is very large, list features explicitly
'core-js/fn/object/assign',
'core-js/fn/promise',
// main lib
'./lib/index.js'
],
filenameBase: 'secp256k1-key-pair'
},
/*
// core jsonld library + extra utils and networking support
{
entry: ['./lib/index.all.js'],
filenameBase: 'jsonld.all'
}
*/
// custom builds can be created by specifying the high level files you need
// webpack will pull in dependencies as needed
// Note: if using UMD or similar, add jsonld.js *last* to properly export
// the top level jsonld namespace.
//{
// entry: ['./lib/FOO.js', ..., './lib/jsonld.js'],
// filenameBase: 'jsonld.custom'
// libraryTarget: 'umd'
//}
];
const include = new RegExp('node_modules\/jsonld-signatures\/lib' +
+ '\/suites\/LinkedDataSignature2015');
outputs.forEach(info => {
// common to bundle and minified
const common = {
// each output uses the "jsonld" name but with different contents
entry: {
'secp256k1-key-pair': info.entry
},
module: {
rules: [
{
test: /\.js$/,
include: [{
// exclude node_modules by default
exclude: /(node_modules)/,
include
}/*, {
// include jsonld
//include: /(node_modules\/jsonld)/
}*/],
use: {
loader: 'babel-loader',
options: {
presets: ['@babel/preset-env'],
plugins: [
[
'@babel/plugin-proposal-object-rest-spread',
{useBuiltIns: true}
],
'@babel/plugin-transform-modules-commonjs',
'@babel/plugin-transform-runtime'
]
}
}
}
]
},
// disable various node shims as jsonld handles this manually
node: {
Buffer: false,
crypto: false,
process: false,
setImmediate: false
},
externals: {
'node-forge': {
amd: 'node-forge',
commonjs: 'node-forge',
commonjs2: 'node-forge',
root: 'forge'
},
}
};
// plain unoptimized unminified bundle
const bundle = webpackMerge(common, {
mode: 'development',
output: {
path: path.join(__dirname, 'dist'),
filename: info.filenameBase + '.js',
library: info.library || '[name]',
libraryTarget: info.libraryTarget || 'umd'
}
});
if(info.library === null) {
delete bundle.output.library;
}
if(info.libraryTarget === null) {
delete bundle.output.libraryTarget;
}
// optimized and minified bundle
const minify = webpackMerge(common, {
mode: 'production',
output: {
path: path.join(__dirname, 'dist'),
filename: info.filenameBase + '.min.js',
library: info.library || '[name]',
libraryTarget: info.libraryTarget || 'umd'
},
devtool: 'cheap-module-source-map',
});
if(info.library === null) {
delete minify.output.library;
}
if(info.libraryTarget === null) {
delete minify.output.libraryTarget;
}
module.exports.push(bundle);
module.exports.push(minify);
});