@v4fire/core/build/wrap.gulp.js

V4Fire core library

'use strict';
let gulpInitialized;
exports.wrapGulp = function wrapGulp(gulp) {
  const addTask = gulp.task.bind(gulp),
    series = gulp.series.bind(gulp),
    parallel = gulp.parallel.bind(gulp),
    cache = new Map();
  gulp.task = (name, tasks) => {
    if (gulpInitialized) {
      return addTask(name, tasks);
    }
    cache.set(name.name || name, tasks || name);
  };
  function apply(tasks) {
    if (Object.isArray(tasks)) {
      return tasks.map(tasks => apply(tasks));
    }
    if (Object.isDictionary(tasks)) {
      return tasks.init();
    }
    return tasks;
  }
  gulp.series = tasks => {
    if (gulpInitialized) {
      return series(tasks);
    }
    return {
      type: 'series',
      init: () => series(apply(tasks))
    };
  };
  gulp.parallel = tasks => {
    if (gulpInitialized) {
      return parallel(tasks);
    }
    return {
      type: 'parallel',
      init: () => parallel(apply(tasks))
    };
  };
  gulp.init = () => {
    if (gulpInitialized) {
      return;
    }
    gulpInitialized = true;
    Object.forEach(cache, (tasks, name) => {
      addTask(name, typeof tasks === 'function' ? tasks : tasks.init());
    });
  };
};