mirror of https://github.com/webpack/webpack.git
58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
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/*
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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 Queue = require("../util/Queue");
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const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
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const UnsupportedWebAssemblyFeatureError = require("../wasm/UnsupportedWebAssemblyFeatureError");
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class WasmFinalizeExportsPlugin {
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apply(compiler) {
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compiler.hooks.compilation.tap("WasmFinalizeExportsPlugin", compilation => {
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compilation.hooks.finishModules.tap(
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"WasmFinalizeExportsPlugin",
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modules => {
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const queue = new Queue();
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let module;
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let jsIncompatibleExports = [];
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for (const module of modules) {
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if (module.buildMeta.jsIncompatibleExports) {
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jsIncompatibleExports.push(
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...module.buildMeta.jsIncompatibleExports
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);
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}
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queue.enqueue(module);
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}
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while (queue.length > 0) {
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module = queue.dequeue();
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// 1. if a non WebAssembly module
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if (module.type.startsWith("webassembly") === false) {
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for (const dep of module.dependencies) {
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// 2. imports a WebAssembly module
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// FIXME(sven): pseudo code from here
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if (dep.type === "webassembly") {
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// 3. if the used import is flaged as invalid
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if (jsIncompatibleExports.indexOf(dep.usedName)) {
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throw new UnsupportedWebAssemblyFeatureError(
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"JavaScript modules can not use WebAssembly export with an incompatible type signature"
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);
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}
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}
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}
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}
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}
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}
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);
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});
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}
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}
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module.exports = WasmFinalizeExportsPlugin;
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