MACHIN

32/node_modules/jake/lib/jake.js

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+/*
+ * Jake JavaScript build tool
+ * Copyright 2112 Matthew Eernisse (mde@fleegix.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+*/
+
+if (!global.jake) {
+
+  let EventEmitter = require('events').EventEmitter;
+  // And so it begins
+  global.jake = new EventEmitter();
+
+  let fs = require('fs');
+  let chalk = require('chalk');
+  let taskNs = require('./task');
+  let Task = taskNs.Task;
+  let FileTask = taskNs.FileTask;
+  let DirectoryTask = taskNs.DirectoryTask;
+  let Rule = require('./rule').Rule;
+  let Namespace = require('./namespace').Namespace;
+  let RootNamespace = require('./namespace').RootNamespace;
+  let api = require('./api');
+  let utils = require('./utils');
+  let Program = require('./program').Program;
+  let loader = require('./loader')();
+  let pkg = JSON.parse(fs.readFileSync(__dirname + '/../package.json').toString());
+
+  const MAX_RULE_RECURSION_LEVEL = 16;
+
+  // Globalize jake and top-level API methods (e.g., `task`, `desc`)
+  Object.assign(global, api);
+
+  // Copy utils onto base jake
+  jake.logger = utils.logger;
+  jake.exec = utils.exec;
+
+  // File utils should be aliased directly on base jake as well
+  Object.assign(jake, utils.file);
+
+  // Also add top-level API methods to exported object for those who don't want to
+  // use the globals (`file` here will overwrite the 'file' utils namespace)
+  Object.assign(jake, api);
+
+  Object.assign(jake, new (function () {
+
+    this._invocationChain = [];
+    this._taskTimeout = 30000;
+
+    // Public properties
+    // =================
+    this.version = pkg.version;
+    // Used when Jake exits with a specific error-code
+    this.errorCode = null;
+    // Loads Jakefiles/jakelibdirs
+    this.loader = loader;
+    // The root of all ... namespaces
+    this.rootNamespace = new RootNamespace();
+    // Non-namespaced tasks are placed into the default
+    this.defaultNamespace = this.rootNamespace;
+    // Start in the default
+    this.currentNamespace = this.defaultNamespace;
+    // Saves the description created by a 'desc' call that prefaces a
+    // 'task' call that defines a task.
+    this.currentTaskDescription = null;
+    this.program = new Program();
+    this.FileList = require('filelist').FileList;
+    this.PackageTask = require('./package_task').PackageTask;
+    this.PublishTask = require('./publish_task').PublishTask;
+    this.TestTask = require('./test_task').TestTask;
+    this.Task = Task;
+    this.FileTask = FileTask;
+    this.DirectoryTask = DirectoryTask;
+    this.Namespace = Namespace;
+    this.Rule = Rule;
+
+    this.parseAllTasks = function () {
+      let _parseNs = function (ns) {
+        let nsTasks = ns.tasks;
+        let nsNamespaces = ns.childNamespaces;
+        for (let q in nsTasks) {
+          let nsTask = nsTasks[q];
+          jake.Task[nsTask.fullName] = nsTask;
+        }
+        for (let p in nsNamespaces) {
+          let nsNamespace = nsNamespaces[p];
+          _parseNs(nsNamespace);
+        }
+      };
+      _parseNs(jake.defaultNamespace);
+    };
+
+    /**
+     * Displays the list of descriptions available for tasks defined in
+     * a Jakefile
+     */
+    this.showAllTaskDescriptions = function (f) {
+      let p;
+      let maxTaskNameLength = 0;
+      let task;
+      let padding;
+      let name;
+      let descr;
+      let filter = typeof f == 'string' ? f : null;
+      let taskParams;
+      let len;
+
+      for (p in jake.Task) {
+        if (!Object.prototype.hasOwnProperty.call(jake.Task, p)) {
+          continue;
+        }
+        if (filter && p.indexOf(filter) == -1) {
+          continue;
+        }
+        task = jake.Task[p];
+        taskParams = task.params;
+
+        // Record the length of the longest task name -- used for
+        // pretty alignment of the task descriptions
+        if (task.description) {
+          len = p.length + taskParams.length;
+          maxTaskNameLength = len > maxTaskNameLength ?
+            len : maxTaskNameLength;
+        }
+      }
+
+      // Print out each entry with descriptions neatly aligned
+      for (p in jake.Task) {
+        if (!Object.prototype.hasOwnProperty.call(jake.Task, p)) {
+          continue;
+        }
+        if (filter && p.indexOf(filter) == -1) {
+          continue;
+        }
+        task = jake.Task[p];
+
+        taskParams = "";
+        if (task.params != "") {
+          taskParams = "[" + task.params + "]";
+        }
+
+        //name = '\033[32m' + p + '\033[39m ';
+        name = chalk.green(p);
+
+        descr = task.description;
+        if (descr) {
+          descr = chalk.gray('# ' + descr);
+
+          // Create padding-string with calculated length
+          padding = (new Array(maxTaskNameLength - p.length - taskParams.length + 4)).join(' ');
+
+          console.log('jake ' + name + taskParams + padding + descr);
+        }
+      }
+    };
+
+    this.createTask = function () {
+      let args = Array.prototype.slice.call(arguments);
+      let arg;
+      let obj;
+      let task;
+      let type;
+      let name;
+      let action;
+      let opts = {};
+      let prereqs = [];
+
+      type = args.shift();
+
+      // name, [deps], [action]
+      // Name (string) + deps (array) format
+      if (typeof args[0] == 'string') {
+        name = args.shift();
+        if (Array.isArray(args[0])) {
+          prereqs = args.shift();
+        }
+      }
+      // name:deps, [action]
+      // Legacy object-literal syntax, e.g.: {'name': ['depA', 'depB']}
+      else {
+        obj = args.shift();
+        for (let p in obj) {
+          prereqs = prereqs.concat(obj[p]);
+          name = p;
+        }
+      }
+
+      // Optional opts/callback or callback/opts
+      while ((arg = args.shift())) {
+        if (typeof arg == 'function') {
+          action = arg;
+        }
+        else {
+          opts = Object.assign(Object.create(null), arg);
+        }
+      }
+
+      task = jake.currentNamespace.resolveTask(name);
+      if (task && !action) {
+        // Task already exists and no action, just update prereqs, and return it.
+        task.prereqs = task.prereqs.concat(prereqs);
+        return task;
+      }
+
+      switch (type) {
+      case 'directory':
+        action = function action() {
+          jake.mkdirP(name);
+        };
+        task = new DirectoryTask(name, prereqs, action, opts);
+        break;
+      case 'file':
+        task = new FileTask(name, prereqs, action, opts);
+        break;
+      default:
+        task = new Task(name, prereqs, action, opts);
+      }
+
+      jake.currentNamespace.addTask(task);
+
+      if (jake.currentTaskDescription) {
+        task.description = jake.currentTaskDescription;
+        jake.currentTaskDescription = null;
+      }
+
+      // FIXME: Should only need to add a new entry for the current
+      // task-definition, not reparse the entire structure
+      jake.parseAllTasks();
+
+      return task;
+    };
+
+    this.attemptRule = function (name, ns, level) {
+      let prereqRule;
+      let prereq;
+      if (level > MAX_RULE_RECURSION_LEVEL) {
+        return null;
+      }
+      // Check Rule
+      prereqRule = ns.matchRule(name);
+      if (prereqRule) {
+        prereq = prereqRule.createTask(name, level);
+      }
+      return prereq || null;
+    };
+
+    this.createPlaceholderFileTask = function (name, namespace) {
+      let parsed = name.split(':');
+      let filePath = parsed.pop(); // Strip any namespace
+      let task;
+
+      task = namespace.resolveTask(name);
+
+      // If there's not already an existing dummy FileTask for it,
+      // create one
+      if (!task) {
+        // Create a dummy FileTask only if file actually exists
+        if (fs.existsSync(filePath)) {
+          task = new jake.FileTask(filePath);
+          task.dummy = true;
+          let ns;
+          if (parsed.length) {
+            ns = namespace.resolveNamespace(parsed.join(':'));
+          }
+          else {
+            ns = namespace;
+          }
+          if (!namespace) {
+            throw new Error('Invalid namespace, cannot add FileTask');
+          }
+          ns.addTask(task);
+          // Put this dummy Task in the global Tasks list so
+          // modTime will be eval'd correctly
+          jake.Task[`${ns.path}:${filePath}`] = task;
+        }
+      }
+
+      return task || null;
+    };
+
+
+    this.run = function () {
+      let args = Array.prototype.slice.call(arguments);
+      let program = this.program;
+      let loader = this.loader;
+      let preempt;
+      let opts;
+
+      program.parseArgs(args);
+      program.init();
+
+      preempt = program.firstPreemptiveOption();
+      if (preempt) {
+        preempt();
+      }
+      else {
+        opts = program.opts;
+        // jakefile flag set but no jakefile yet
+        if (opts.autocomplete && opts.jakefile === true) {
+          process.stdout.write('no-complete');
+          return;
+        }
+        // Load Jakefile and jakelibdir files
+        let jakefileLoaded = loader.loadFile(opts.jakefile);
+        let jakelibdirLoaded = loader.loadDirectory(opts.jakelibdir);
+
+        if(!jakefileLoaded && !jakelibdirLoaded && !opts.autocomplete) {
+          fail('No Jakefile. Specify a valid path with -f/--jakefile, ' +
+              'or place one in the current directory.');
+        }
+
+        program.run();
+      }
+    };
+
+  })());
+}
+
+module.exports = jake;