webpack/lib/dependencies/ImportMetaGlobDependency.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 Natsu @xiaoxiaojx
*/

"use strict";

const makeSerializable = require("../util/makeSerializable");
const ContextDependency = require("./ContextDependency");
const ModuleDependencyTemplateAsRequireId = require("./ModuleDependencyTemplateAsRequireId");

/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("./ContextDependency").ContextDependencyOptions} ContextDependencyOptions */

/**
 * @typedef {ContextDependencyOptions & {
 * patterns: string[],
 * requestContext: string,
 * importName?: string,
 * exhaustive?: boolean,
 * caseSensitive?: boolean,
 * }} ImportMetaGlobDependencyOptions
 */

class ImportMetaGlobDependency extends ContextDependency {
	/**
	 * @param {ImportMetaGlobDependencyOptions} options options
	 * @param {Range} range range
	 */
	constructor(options, range) {
		super(options, options ? options.requestContext : undefined);

		this.range = range;
	}

	get category() {
		return "esm";
	}

	get type() {
		return `import.meta.glob ${this.options.mode}`;
	}

	/**
	 * Returns an identifier to merge equal requests.
	 * @returns {string | null} an identifier to merge equal requests
	 */
	getResourceIdentifier() {
		const {
			patterns,
			request,
			recursive,
			mode,
			exhaustive,
			caseSensitive,
			importName,
			referencedExports
		} = /** @type {ImportMetaGlobDependencyOptions} */ (this.options);
		return (
			`context${this.getContext() || ""}|glob request${request} ` +
			`${recursive} ${patterns.join(",")} ` +
			`${mode}${exhaustive ? " exhaustive" : ""}` +
			`${caseSensitive === false ? " case-insensitive" : ""}` +
			`${importName ? ` import:${importName}` : ""}` +
			`${
				referencedExports
					? ` referencedExports:${JSON.stringify(referencedExports)}`
					: ""
			}`
		);
	}
}

makeSerializable(
	ImportMetaGlobDependency,
	"webpack/lib/dependencies/ImportMetaGlobDependency"
);

ImportMetaGlobDependency.Template = ModuleDependencyTemplateAsRequireId;

module.exports = ImportMetaGlobDependency;