gulpfile.js

const del = require("del");
const gulp = require("gulp");
const eslint = require("gulp-eslint");
const minify = require("gulp-minify");
const open = require("gulp-open");
const prettier = require("gulp-prettier");
const os = require("os");
const zip = require("gulp-zip");

const included_modules = [
  "node_modules/monaco-editor/min/**/*",
  "node_modules/monaco-editor/LICENSE",
  "node_modules/requirejs/require.js",
];
const test_modules = [
  "node_modules/jasmine-core/lib/jasmine-core/boot.js",
  "node_modules/jasmine-core/lib/jasmine-core/jasmine.js",
  "node_modules/jasmine-core/lib/jasmine-core/jasmine-html.js",
  "node_modules/jasmine-core/lib/jasmine-core/jasmine.css",
  "node_modules/sinon-chrome/bundle/sinon-chrome.min.js",
];

gulp.task("clean-test", function () {
  return del(["tests/**/*", "!tests/spec/**", "!tests/SpecRunner.html"]);
});

gulp.task("clean-build", function () {
  return del(["build/**/*"]);
});

gulp.task("clean", gulp.series("clean-test", "clean-build"));

gulp.task("minify-sources", function () {
  return gulp
    .src("src/**/*")
    .pipe(
      minify({
        noSource: true,
        ext: {
          min: ".js",
        },
      })
    )
    .pipe(gulp.dest("build"));
});

gulp.task("include-minified-modules", function () {
  return gulp
    .src(included_modules, {
      base: "node_modules",
    })
    .pipe(
      minify({
        noSource: true,
        ext: {
          min: ".js",
        },
        exclude: ["monaco-editor"], // Already minified.
        preserveComments: "some", // Preserve licensing information in require.js.
      })
    )
    .pipe(gulp.dest("build/lib"));
});

gulp.task("produce-zip", function () {
  return gulp.src("build/**/*").pipe(zip("codext.zip")).pipe(gulp.dest("build"));
});

gulp.task("copy-test-modules", function () {
  return gulp
    .src(test_modules, {
      base: "node_modules",
    })
    .pipe(gulp.dest("tests"));
});

gulp.task("run-tests-chrome", function () {
  const browser = os.platform() === "linux" ? "google-chrome" : os.platform() === "darwin" ? "google chrome" : "chrome";
  return gulp.src("./tests/SpecRunner.html").pipe(
    open({
      app: browser,
    })
  );
});

gulp.task("run-tests-firefox", function () {
  return gulp.src("./tests/SpecRunner.html").pipe(
    open({
      app: "firefox",
    })
  );
});

gulp.task("test", gulp.series("clean-test", "copy-test-modules", "run-tests-chrome"));

gulp.task("test-firefox", gulp.series("clean", "copy-test-modules", "run-tests-firefox"));

gulp.task("build", gulp.series("clean-build", "minify-sources", "include-minified-modules", "produce-zip"));

gulp.task("lint-src", function () {
  return gulp.src("src/**/*.js").pipe(eslint(".eslintrc.json")).pipe(eslint.format()).pipe(eslint.failAfterError());
});

gulp.task("lint-test", function () {
  return gulp
    .src(["tests/**.js", "!tests/sinon-chrome/**", "!tests/jasmine-core/**"])
    .pipe(eslint("tests/.eslintrc.json"))
    .pipe(eslint.format())
    .pipe(eslint.failAfterError());
});

gulp.task("lint", gulp.series("lint-src", "lint-test"));

gulp.task("prettify", function () {
  return gulp
    .src(["src/**/*.js", "tests/**/*.js", "gulpfile.js"])
    .pipe(prettier({ printWidth: 120 }))
    .pipe(gulp.dest((file) => file.base));
});

// The default task (called when you run `gulp` from cli)
gulp.task("default", gulp.series("build"));