mirror of https://github.com/webpack/webpack.git
66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const Template = require("../Template");
|
|
const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
|
|
|
|
/** @typedef {import("../Module")} Module */
|
|
/** @typedef {import("../ModuleGraph")} ModuleGraph */
|
|
|
|
/** @typedef {Object} UsedWasmDependency
|
|
* @property {WebAssemblyImportDependency} dependency the dependency
|
|
* @property {string} name the export name
|
|
* @property {string} module the module name
|
|
*/
|
|
|
|
const MANGLED_MODULE = "a";
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @param {Module} module the module
|
|
* @param {boolean} mangle mangle module and export names
|
|
* @returns {UsedWasmDependency[]} used dependencies and (mangled) name
|
|
*/
|
|
const getUsedDependencies = (moduleGraph, module, mangle) => {
|
|
/** @type {UsedWasmDependency[]} */
|
|
const array = [];
|
|
let importIndex = 0;
|
|
for (const dep of module.dependencies) {
|
|
if (dep instanceof WebAssemblyImportDependency) {
|
|
if (
|
|
dep.description.type === "GlobalType" ||
|
|
moduleGraph.getModule(dep) === null
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
const exportName = dep.name;
|
|
// TODO add the following 3 lines when removing of ModuleExport is possible
|
|
// const importedModule = moduleGraph.getModule(dep);
|
|
// const usedName = importedModule && moduleGraph.getExportsInfo(importedModule).getUsedName(exportName, runtime);
|
|
// if (usedName !== false) {
|
|
if (mangle) {
|
|
array.push({
|
|
dependency: dep,
|
|
name: Template.numberToIdentifier(importIndex++),
|
|
module: MANGLED_MODULE
|
|
});
|
|
} else {
|
|
array.push({
|
|
dependency: dep,
|
|
name: exportName,
|
|
module: dep.request
|
|
});
|
|
}
|
|
}
|
|
}
|
|
return array;
|
|
};
|
|
|
|
exports.getUsedDependencies = getUsedDependencies;
|
|
exports.MANGLED_MODULE = MANGLED_MODULE;
|