vue hello world项目
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const WasmChunkLoadingRuntimeModule = require("../wasm-sync/WasmChunkLoadingRuntimeModule");
/** @typedef {import("../Compiler")} Compiler */
// TODO webpack 6 remove
class FetchCompileWasmPlugin {
constructor(options) {
this.options = options || {};
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.thisCompilation.tap(
"FetchCompileWasmPlugin",
compilation => {
const globalWasmLoading = compilation.outputOptions.wasmLoading;
const isEnabledForChunk = chunk => {
const options = chunk.getEntryOptions();
const wasmLoading =
options && options.wasmLoading !== undefined
? options.wasmLoading
: globalWasmLoading;
return wasmLoading === "fetch";
};
const generateLoadBinaryCode = path =>
`fetch(${RuntimeGlobals.publicPath} + ${path})`;
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkHandlers)
.tap("FetchCompileWasmPlugin", (chunk, set) => {
if (!isEnabledForChunk(chunk)) return;
const chunkGraph = compilation.chunkGraph;
if (
!chunkGraph.hasModuleInGraph(
chunk,
m => m.type === "webassembly/sync"
)
) {
return;
}
set.add(RuntimeGlobals.moduleCache);
set.add(RuntimeGlobals.publicPath);
compilation.addRuntimeModule(
chunk,
new WasmChunkLoadingRuntimeModule({
generateLoadBinaryCode,
supportsStreaming: true,
mangleImports: this.options.mangleImports,
runtimeRequirements: set
})
);
});
}
);
}
}
module.exports = FetchCompileWasmPlugin;