Webpack Compilation Hooks: Get Compilation Hooks for Preload and Prefetch

/**

• Returns a map of hooks for a given compilation object.
• @param {Compilation} compilation - An instance of Compilation.
• @throws {TypeError} If the 'compilation' argument is not an instance of Compilation.
• @returns {Object} A map of hooks including 'linkPreload' and 'linkPrefetch'. */ static getCompilationHooks(compilation) { if (!(compilation instanceof Compilation)) { throw new TypeError( 'The 'compilation' argument must be an instance of Compilation' ); } let hooks = compilationHooksMap.get(compilation); if (hooks === undefined) { hooks = { linkPreload: new SyncWaterfallHook(['source', 'chunk']), linkPrefetch: new SyncWaterfallHook(['source', 'chunk']) }; compilationHooksMap.set(compilation, hooks); } return hooks; }