webpack.config.js

var path = require('path');
var StringReplacePlugin = require("string-replace-webpack-plugin");


module.exports = {
	entry: './src/browser-extensions/pdfMake.js',
	output: {
		path: path.join(__dirname, './build'),
		filename: 'pdfmake.js',
		libraryTarget: 'umd'
	},
	resolve: {
		alias: {
			fs: path.join(__dirname, './src/browser-extensions/virtual-fs.js')
		}
	},
	module: {
		rules: [
			{test: /pdfMake.js$/, loader: 'expose-loader?pdfMake', include: [path.join(__dirname, './src/browser-extensions')]},
			{test: /pdfkit[/\\]js[/\\]mixins[/\\]fonts.js$/, loader: StringReplacePlugin.replace({
					replacements: [
						{
							pattern: 'return this.font(\'Helvetica\');',
							replacement: function () {
								return '';
							}
						}
					]})
			},
			{test: /fontkit[/\\]index.js$/, loader: StringReplacePlugin.replace({
					replacements: [
						{
							pattern: /fs\./g,
							replacement: function () {
								return 'require(\'fs\').';
							}
						}
					]})
			},
			/* hack for Web Worker support */
			{test: /FileSaver.js$/, loader: StringReplacePlugin.replace({
					replacements: [
						{
							pattern: 'doc.createElementNS("http://www.w3.org/1999/xhtml", "a")',
							replacement: function () {
								return 'doc ? doc.createElementNS("http://www.w3.org/1999/xhtml", "a") : []';
							}
						}
					]})
			},
			{enforce: 'post', test: /fontkit[/\\]index.js$/, loader: "transform-loader?brfs"},
			{enforce: 'post', test: /unicode-properties[/\\]index.js$/, loader: "transform-loader?brfs"},
			{enforce: 'post', test: /linebreak[/\\]src[/\\]linebreaker.js/, loader: "transform-loader?brfs"}
		]
	},
	plugins: [
		new StringReplacePlugin()
	]
};