simple-squiggle

A restricted subset of Squiggle
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RequireHeaderDependency.js (1721B)

      1 /*
      2 	MIT License http://www.opensource.org/licenses/mit-license.php
      3 	Author Tobias Koppers @sokra
      4 */
      5 
      6 "use strict";
      7 
      8 const RuntimeGlobals = require("../RuntimeGlobals");
      9 const makeSerializable = require("../util/makeSerializable");
     10 const NullDependency = require("./NullDependency");
     11 
     12 /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
     13 /** @typedef {import("../Dependency")} Dependency */
     14 /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
     15 
     16 class RequireHeaderDependency extends NullDependency {
     17 	constructor(range) {
     18 		super();
     19 		if (!Array.isArray(range)) throw new Error("range must be valid");
     20 		this.range = range;
     21 	}
     22 
     23 	serialize(context) {
     24 		const { write } = context;
     25 		write(this.range);
     26 		super.serialize(context);
     27 	}
     28 
     29 	static deserialize(context) {
     30 		const obj = new RequireHeaderDependency(context.read());
     31 		obj.deserialize(context);
     32 		return obj;
     33 	}
     34 }
     35 
     36 makeSerializable(
     37 	RequireHeaderDependency,
     38 	"webpack/lib/dependencies/RequireHeaderDependency"
     39 );
     40 
     41 RequireHeaderDependency.Template = class RequireHeaderDependencyTemplate extends (
     42 	NullDependency.Template
     43 ) {
     44 	/**
     45 	 * @param {Dependency} dependency the dependency for which the template should be applied
     46 	 * @param {ReplaceSource} source the current replace source which can be modified
     47 	 * @param {DependencyTemplateContext} templateContext the context object
     48 	 * @returns {void}
     49 	 */
     50 	apply(dependency, source, { runtimeRequirements }) {
     51 		const dep = /** @type {RequireHeaderDependency} */ (dependency);
     52 		runtimeRequirements.add(RuntimeGlobals.require);
     53 		source.replace(dep.range[0], dep.range[1] - 1, "__webpack_require__");
     54 	}
     55 };
     56 
     57 module.exports = RequireHeaderDependency;