webpack/lib/asset/AssetSourceParser.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Yuta Hiroto @hiroppy
*/

"use strict";

const Parser = require("../Parser");

/** @typedef {import("../Module").BuildInfo} BuildInfo */
/** @typedef {import("../Module").BuildMeta} BuildMeta */
/** @typedef {import("../Parser").ParserState} ParserState */
/** @typedef {import("../Parser").PreparsedAst} PreparsedAst */

class AssetSourceParser extends Parser {
	/**
	 * @param {string | Buffer | PreparsedAst} source the source to parse
	 * @param {ParserState} state the parser state
	 * @returns {ParserState} the parser state
	 */
	parse(source, state) {
		if (typeof source === "object" && !Buffer.isBuffer(source)) {
			throw new Error("AssetSourceParser doesn't accept preparsed AST");
		}
		const { module } = state;
		/** @type {BuildInfo} */
		(module.buildInfo).strict = true;
		/** @type {BuildMeta} */
		(module.buildMeta).exportsType = "default";
		/** @type {BuildMeta} */
		(state.module.buildMeta).defaultObject = false;

		return state;
	}
}

module.exports = AssetSourceParser;