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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/webpack/lib/wasm/WebAssemblyUtils.js | |
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Diffstat (limited to 'node_modules/webpack/lib/wasm/WebAssemblyUtils.js')
-rw-r--r-- | node_modules/webpack/lib/wasm/WebAssemblyUtils.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyUtils.js b/node_modules/webpack/lib/wasm/WebAssemblyUtils.js new file mode 100644 index 0000000..75eb6d2 --- /dev/null +++ b/node_modules/webpack/lib/wasm/WebAssemblyUtils.js @@ -0,0 +1,59 @@ +/* + 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 {Object} UsedWasmDependency + * @property {WebAssemblyImportDependency} dependency the dependency + * @property {string} name the export name + * @property {string} module the module name + */ + +const MANGLED_MODULE = "a"; + +/** + * @param {Module} module the module + * @param {boolean} mangle mangle module and export names + * @returns {UsedWasmDependency[]} used dependencies and (mangled) name + */ +const getUsedDependencies = (module, mangle) => { + /** @type {UsedWasmDependency[]} */ + const array = []; + let importIndex = 0; + for (const dep of module.dependencies) { + if (dep instanceof WebAssemblyImportDependency) { + if (dep.description.type === "GlobalType" || dep.module === null) { + continue; + } + + const exportName = dep.name; + // TODO add the following 3 lines when removing of ModuleExport is possible + // const importedModule = dep.module; + // const usedName = importedModule && importedModule.isUsed(exportName); + // if (usedName !== false) { + if (mangle) { + array.push({ + dependency: dep, + name: Template.numberToIdentifer(importIndex++), + module: MANGLED_MODULE + }); + } else { + array.push({ + dependency: dep, + name: exportName, + module: dep.request + }); + } + } + } + return array; +}; + +exports.getUsedDependencies = getUsedDependencies; +exports.MANGLED_MODULE = MANGLED_MODULE; |