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const path = require("path");
const fs = require("fs");
const { sources } = require("webpack");
const { getFileNameHash } = webpackRequire("utils/filename-hash");
class CreateInjectedSharedModulesPlugin {
constructor({ injectedSharedModulesImportedCount, sortedSharedModules }) {
this.injectedSharedModulesImportedCount = injectedSharedModulesImportedCount;
this.sortedSharedModules = sortedSharedModules;
}
apply(compiler) {
compiler.hooks.compilation.tap("CreateInjectedSharedModulesPlugin", compilation => {
compilation.hooks.processAssets.tap(
{
name: "CreateInjectedSharedModulesPlugin",
stage: compiler.webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONAL
},
assets => {
const injectedSharedScripts = this.sortedSharedModules
.filter(sharedModule => this.injectedSharedModulesImportedCount[sharedModule] > 0)
.map(sharedModule => `shared/${getFileNameHash(sharedModule, "shared")}.js`);
if (injectedSharedScripts.length > 0) {
const scriptInjectorModuleName = getFileNameHash("script-injector", "shared", true);
const injectionCode = injectedSharedScripts
.map(injectedScript => `$${scriptInjectorModuleName}.injectScriptHead("shared/${path.basename(injectedScript)}");`)
.join("");
compilation.emitAsset(
`shared/${getFileNameHash("injected-shared-modules", "shared")}.js`,
new sources.RawSource(injectionCode)
);
}
}
);
});
}
}
module.exports = CreateInjectedSharedModulesPlugin;
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