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