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HarmonyImportSideEffectDependency.js
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Mon, Feb 10, 11:11

HarmonyImportSideEffectDependency.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const makeSerializable = require("../util/makeSerializable");
const HarmonyImportDependency = require("./HarmonyImportDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../InitFragment")} InitFragment */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
class HarmonyImportSideEffectDependency extends HarmonyImportDependency {
constructor(request, sourceOrder) {
super(request, sourceOrder);
}
get type() {
return "harmony side effect evaluation";
}
/**
* @param {ModuleGraph} moduleGraph module graph
* @returns {function(ModuleGraphConnection, RuntimeSpec): ConnectionState} function to determine if the connection is active
*/
getCondition(moduleGraph) {
return connection => {
const refModule = connection.resolvedModule;
if (!refModule) return true;
return refModule.getSideEffectsConnectionState(moduleGraph);
};
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @returns {ConnectionState} how this dependency connects the module to referencing modules
*/
getModuleEvaluationSideEffectsState(moduleGraph) {
const refModule = moduleGraph.getModule(this);
if (!refModule) return true;
return refModule.getSideEffectsConnectionState(moduleGraph);
}
}
makeSerializable(
HarmonyImportSideEffectDependency,
"webpack/lib/dependencies/HarmonyImportSideEffectDependency"
);
HarmonyImportSideEffectDependency.Template = class HarmonyImportSideEffectDependencyTemplate extends (
HarmonyImportDependency.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, templateContext) {
const { moduleGraph, concatenationScope } = templateContext;
if (concatenationScope) {
const module = moduleGraph.getModule(dependency);
if (concatenationScope.isModuleInScope(module)) {
return;
}
}
super.apply(dependency, source, templateContext);
}
};
module.exports = HarmonyImportSideEffectDependency;

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