WebpackRelayCompilerPlugin

WebpackRelayCompilerPlugin.js

const childProcess = require('child_process');

function RelayCompilerPlugin(options) {
  this.schema = options.schema;
  this.src = options.src;
}

RelayCompilerPlugin.prototype.apply = function(compiler) {
  const cmd = `relay-compiler --src ${this.src} --schema ${this.schema}`;

  compiler.plugin('after-compile', (compilation, callback) => {
    compilation.fileDependencies.add(this.schema);
    callback();
  });

  compiler.plugin('before-compile', () => {
    console.log(`RelayCompilerPlugin: ${cmd}`);
    childProcess.execSync(cmd,
      {
        stdio: [0, 1, 2],
      },
    );
  });
};