@coat/cli/build/setup/get-tasks-to-run.js

TODO: See #3

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getTasksToRun = getTasksToRun;
var _coatManifestTasks = require("../types/coat-manifest-tasks");
/**
 * Filters and returns only tasks that should be run.
 *
 * Tasks can have a "shouldRun" function that will be called with
 * the context and previous task results if they are available.
 *
 * If tasks don't have a custom shouldRun function, they will only be run
 * if they haven't been run before.
 *
 * @param allTasks All tasks that should be checked whether they should be run
 * @param context The context of the current coat project
 * @param force Whether all tasks should run regardless of individual shouldRun results
 */
async function getTasksToRun(allTasks, context, force) {
  if (force) {
    return allTasks;
  }

  // Determine which tasks should be run
  const allTasksUnfiltered = await Promise.all(allTasks.map(async task => {
    const previousTaskResults = (task.type === _coatManifestTasks.CoatTaskType.Global ? context.coatGlobalLockfile.setup : context.coatLocalLockfile.setup)[task.id];
    let shouldRun;
    if (task.shouldRun) {
      // Task has a custom shouldRun function,
      // call it with the previous result to determine
      // whether it should be run
      shouldRun = await task.shouldRun({
        context,
        previousResults: {
          global: context.coatGlobalLockfile.setup,
          local: context.coatLocalLockfile.setup
        }
      });
    } else {
      // Task has no custom shouldRun function, it should be
      // run if there is no saved result for this task
      shouldRun = !previousTaskResults;
    }
    return shouldRun ? task : null;
  }));

  // Filter out null values
  const tasksToRun = allTasksUnfiltered.filter(task => !!task);
  return tasksToRun;
}