Function runCoverage

gulpfile.js:571–761

(options)

 * @param {string} options.workspace The name of the workspace, if any.
 */
export async function runCoverage(options) {
  const webglStub = options.webglStub ?? false;
  const suppressPassed = options.suppressPassed ?? false;
  const failTaskOnError = options.failTaskOnError ?? false;
  const workspace = options.workspace;

  const folders = [];
  let browsers = ["Chrome"];
  if (argv.browsers) {
    browsers = argv.browsers.split(",");
  }

  const instrumenter = createInstrumenter({
    esModules: true,
  });

  // Setup plugin to use instrumenter on source files.

  const instrumentPlugin = {
    name: "instrument",
    setup: (build) => {
      build.onLoad(
        {
          filter: options.filter,
        },
        async (args) => {
          const source = await readFile(args.path, { encoding: "utf8" });
          try {
            const generatedCode = instrumenter.instrumentSync(
              source,
              args.path,
            );

            return { contents: generatedCode };
          } catch (e) {
            return {
              errors: {
                text: e.message,
              },
            };
          }
        },
      );
    },
  };

  const karmaBundle = join(options.outputDirectory, "karma-main.js");
  await esbuild({
    entryPoints: ["Specs/karma-main.js"],
    bundle: true,
    sourcemap: true,
    format: "esm",
    target: "es2020",
    outfile: karmaBundle,
    logLevel: "error", // print errors immediately, and collect warnings so we can filter out known ones
  });

  // Generate instrumented bundle for Specs.