webpack/lib/dependencies/ModuleHotDependency.js

71 lines
1.8 KiB
JavaScript

/*
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");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
class ModuleHotDependency extends NullDependency {
constructor(range, apiMethod) {
super();
this.range = range;
this.apiMethod = apiMethod;
}
get type() {
return "module.hot";
}
serialize(context) {
const { write } = context;
write(this.range);
write(this.apiMethod);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.range = read();
this.apiMethod = read();
super.deserialize(context);
}
}
makeSerializable(
ModuleHotDependency,
"webpack/lib/dependencies/ModuleHotDependency"
);
ModuleHotDependency.Template = class ModuleHotDependencyTemplate extends NullDependency.Template {
/**
* @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, runtimeRequirements }) {
const dep = /** @type {ModuleHotDependency} */ (dependency);
runtimeRequirements.add(RuntimeGlobals.module);
source.replace(
dep.range[0],
dep.range[1] - 1,
`${module.moduleArgument}.hot${dep.apiMethod ? `.${dep.apiMethod}` : ""}`
);
}
};
module.exports = ModuleHotDependency;