W260426/14.webpack/node_modules/webpack/lib/dependencies/RequireEnsureDependency.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");
const makeSerializable = require("../util/makeSerializable");
const NullDependency = require("./NullDependency");

/** @import { ReplaceSource } from "webpack-sources" */
/** @import AsyncDependenciesBlock from "../AsyncDependenciesBlock" */
/** @import Dependency from "../Dependency" */
/** @import { DependencyTemplateContext } from "../DependencyTemplate" */
/** @import { Range } from "../javascript/JavascriptParser" */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext<[Range, Range, Range | false]>} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext<[Range, Range, Range | false]>} ObjectSerializerContext */

class RequireEnsureDependency extends NullDependency {
	/**
	 * Creates an instance of RequireEnsureDependency.
	 * @param {Range} range range
	 * @param {Range} contentRange content range
	 * @param {Range | false} errorHandlerRange error handler range
	 */
	constructor(range, contentRange, errorHandlerRange) {
		super();

		this.range = range;
		this.contentRange = contentRange;
		this.errorHandlerRange = errorHandlerRange;
	}

	get type() {
		return "require.ensure";
	}

	/**
	 * Serializes this instance into the provided serializer context.
	 * @param {ObjectSerializerContext} context context
	 */
	serialize(context) {
		context
			.write(this.range)
			.write(this.contentRange)
			.write(this.errorHandlerRange);

		super.serialize(context);
	}

	/**
	 * Restores this instance from the provided deserializer context.
	 * @param {ObjectDeserializerContext} context context
	 */
	deserialize(context) {
		this.range = context.read();
		const c1 = context.rest;
		this.contentRange = c1.read();
		const c2 = c1.rest;
		this.errorHandlerRange = c2.read();

		super.deserialize(c2.rest);
	}
}

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

RequireEnsureDependency.Template = class RequireEnsureDependencyTemplate extends (
	NullDependency.Template
) {
	/**
	 * Applies the plugin by registering its hooks on the compiler.
	 * @param {Dependency} dependency the dependency for which the template should be applied
	 * @param {ReplaceSource} source the current replace source which can be modified
	 * @param {DependencyTemplateContext} templateContext the context object
	 * @returns {void}
	 */
	apply(
		dependency,
		source,
		{ module, runtimeTemplate, moduleGraph, chunkGraph, runtimeRequirements }
	) {
		const dep = /** @type {RequireEnsureDependency} */ (dependency);
		const depBlock = /** @type {AsyncDependenciesBlock} */ (
			moduleGraph.getParentBlock(dep)
		);
		const promise = runtimeTemplate.blockPromise({
			chunkGraph,
			block: depBlock,
			message: "require.ensure",
			runtimeRequirements,
			originModule: module
		});
		const range = dep.range;
		const contentRange = dep.contentRange;
		const errorHandlerRange = dep.errorHandlerRange;
		source.replace(range[0], contentRange[0] - 1, `${promise}.then((`);
		if (errorHandlerRange) {
			source.replace(
				contentRange[1],
				errorHandlerRange[0] - 1,
				`).bind(null, ${RuntimeGlobals.require}))['catch'](`
			);
			source.replace(errorHandlerRange[1], range[1] - 1, ")");
		} else {
			source.replace(
				contentRange[1],
				range[1] - 1,
				`).bind(null, ${RuntimeGlobals.require}))['catch'](${RuntimeGlobals.uncaughtErrorHandler})`
			);
		}
	}
};

module.exports = RequireEnsureDependency;