20191201 Next.js アドカレ用

RewriteSourceMapUrlPlugin.js

module.exports = class RewriteSourceMapUrlPlugin {
    constructor({isServer}) {
        this.isServer = isServer;
    }
    apply(compiler) {
        compiler.plugin("emit", (compilation, callback) => {
            const { assets } = compilation;
            // クライアントのみ sourceMappingURL を書き換える
            if (!this.isServer) {
                for (const [filename, content] of Object.entries(assets)) {
                    if (/\.js$/.test(filename)) {
                        content.children[1] = "";
                    }
                }
            }
            callback();
        });
    }
}