@lynx-js/template-webpack-plugin/lib/LynxAsyncChunksRuntimeModule.js

Simplifies creation of Lynx template files to serve your webpack bundles

// Copyright 2024 The Lynx Authors. All rights reserved.
// Licensed under the Apache License Version 2.0 that can be found in the
// LICENSE file in the root directory of this source tree.
import { RuntimeGlobals } from '@lynx-js/webpack-runtime-globals';
export function createLynxAsyncChunksRuntimeModule(webpack) {
    return class LynxAsyncChunksRuntimeModule extends webpack.RuntimeModule {
        getChunkName;
        constructor(getChunkName) {
            super('Lynx async chunks', webpack.RuntimeModule.STAGE_ATTACH);
            this.getChunkName = getChunkName;
        }
        generate() {
            const chunk = this.chunk;
            const compilation = this.compilation;
            return `// lynx async chunks ids
${RuntimeGlobals.lynxAsyncChunkIds} = {${Array.from(chunk.getAllAsyncChunks())
                .filter(c => c.name !== null && c.name !== undefined)
                .map(c => {
                const filename = this.getChunkName(c.name);
                // Modified from https://github.com/webpack/webpack/blob/11449f02175f055a4540d76aa4478958c4cb297e/lib/runtime/GetChunkFilenameRuntimeModule.js#L154-L157
                const chunkPath = compilation.getPath(filename, {
                    hash: `" + ${webpack.RuntimeGlobals.getFullHash}() + "`,
                    // Rspack does not support `hashWithLength` for now.
                    hashWithLength: length => `" + ${webpack.RuntimeGlobals.getFullHash}().slice(0, ${length}) + "`,
                    // TODO: support [contenthash]
                });
                return [c.id, chunkPath];
            })
                // Do not use `JSON.stringify` on `chunkPath`, it may contains `+` which will be treated as string concatenation.
                .map(([id, path]) => `${JSON.stringify(id)}: "${path}"`).join(',\n')}}`;
        }
    };
}
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