api-builder: add target package

gulpfile.js

@@ -11,6 +11,7 @@ var Q = require("q");
 var delPromise =  Q.denodeify(del);
 var Minimatch = require("minimatch").Minimatch;
 var Dgeni = require('dgeni');
+var Package = require('dgeni').Package;
 var fsExtra = require('fs-extra');
 var fs = fsExtra;
 var exec = require('child_process').exec;
@@ -102,11 +103,14 @@ gulp.task('build-devguide-docs', ['_shred-devguide-examples'], function() {
   return buildShredMaps(true);
 });
 
-gulp.task('build-api-docs', ['_shred-api-examples'], function() {
-  if (!fs.existsSync(ANGULAR_PROJECT_PATH)) {
-    throw new Error('build-api-docs task requires the angular2 repo to be at ' + path.resolve(ANGULAR_PROJECT_PATH));
-  }
-  return buildApiDocs();
+gulp.task('build-api-docs', ['build-js-api-docs', 'build-ts-api-docs']);
+
+gulp.task('build-ts-api-docs', ['_shred-api-examples'], function() {
+  return buildApiDocs('ts');
+});
+
+gulp.task('build-js-api-docs', ['_shred-api-examples'], function() {
+  return buildApiDocs('js');
 });
 
 gulp.task('_shred-devguide-examples', ['_shred-clean-devguide'], function() {
@@ -119,6 +123,7 @@ gulp.task('_shred-clean-devguide', function(cb) {
 });
 
 gulp.task('_shred-api-examples', ['_shred-clean-api'], function() {
+  checkAngularProjectPath();
   return docShredder.shred( _apiShredOptions);
 });
 
@@ -232,7 +237,7 @@ function apiSourceWatch(postShredAction) {
     console.log('Event type: ' + event.event); // added, changed, or deleted
     console.log('Event path: ' + event.path); // The path of the modified file
     // need to run just build
-    buildApiDocs().then(done);
+    Q.all([buildApiDocs('ts'), buildApiDocs('js')]).then(done);
   });
   var examplesPattern = [path.join(ANGULAR_PROJECT_PATH, 'modules/angular2/examples/**/*.*')];
   watch(examplesPattern, function (event, done) {
@@ -249,19 +254,34 @@ function apiSourceWatch(postShredAction) {
 
 }
 
-function buildApiDocs() {
+// Generate the API docs for the specified language, if not specified then it defaults to ts
+function buildApiDocs(targetLanguage) {
+  var ALLOWED_LANGUAGES = ['ts', 'js'];
+  checkAngularProjectPath();
   try {
-    var dgeni = new Dgeni([require(path.resolve(TOOLS_PATH, 'api-builder/angular.io-package'))]);
-    return dgeni.generate().then(function() {
-      // Make a copy of the JS API docs to the TS folder
-      return gulp.src([path.join(DOCS_PATH, 'js/latest/api/**/*.*'), '!' + path.join(DOCS_PATH, 'js/latest/api/index.jade')])
-        .pipe(gulp.dest('./public/docs/ts/latest/api'));
+    // Build a specialized package to generate different versions of the API docs
+    var package = new Package('apiDocs', [require(path.resolve(TOOLS_PATH, 'api-builder/angular.io-package'))]);
+    package.config(function(targetEnvironments, writeFilesProcessor) {
+      ALLOWED_LANGUAGES.forEach(function(target) { targetEnvironments.addAllowed(target); });
+      if (targetLanguage) {
+        targetEnvironments.activate(targetLanguage);
+        writeFilesProcessor.outputFolder  = targetLanguage + '/latest/api';
+      }
     });
+
+    var dgeni = new Dgeni([package]);
+    return dgeni.generate();
   } catch(err) {
     console.log(err);
     console.log(err.stack);
     throw err;
   }
+
+  function copyApiDocsToJsFolder() {
+    // Make a copy of the JS API docs to the TS folder
+    return gulp.src([path.join(DOCS_PATH, 'ts/latest/api/**/*.*'), '!' + path.join(DOCS_PATH, 'ts/latest/api/index.jade')])
+      .pipe(gulp.dest('./public/docs/js/latest/api'));
+  }
 }
 
 function devGuideExamplesWatch(shredOptions, postShredAction) {
@@ -443,6 +463,10 @@ function execCommands(cmds, options, cb) {
   });
 }
 
-
+function checkAngularProjectPath() {
+  if (!fs.existsSync(ANGULAR_PROJECT_PATH)) {
+    throw new Error('API related tasks require the angular2 repo to be at ' + path.resolve(ANGULAR_PROJECT_PATH));
+  }
+}
 
 gulp.task('default', ['help']);

package.json

@@ -30,7 +30,7 @@
     "canonical-path": "0.0.2",
     "del": "^1.2.0",
     "dgeni": "^0.4.0",
-    "dgeni-packages": "^0.11.0",
+    "dgeni-packages": "^0.11.1",
     "diff": "^2.1.3",
     "fs-extra": "^0.24.0",
     "glob": "^5.0.14",

tools/api-builder/angular.io-package/index.js

@@ -1,12 +1,13 @@
 var path = require('canonical-path');
 var Package = require('dgeni').Package;
 var basePackage = require('../docs-package');
+var targetPackage = require('../target-package');
 
 var PROJECT_PATH = path.resolve(__dirname, "../../..");
 var PUBLIC_PATH = path.resolve(PROJECT_PATH, 'public');
 var DOCS_PATH = path.resolve(PUBLIC_PATH, 'docs');
 
-module.exports = new Package('angular.io', [basePackage])
+module.exports = new Package('angular.io', [basePackage, targetPackage])
 
 .factory(require('./services/renderMarkdown'))
 .processor(require('./processors/addJadeDataDocsProcessor'))

tools/api-builder/target-package/index.js

@@ -1,7 +1,8 @@
 var Package = require('dgeni').Package;
 
-module.exports = new Package('target', [])
+module.exports = new Package('target', [require('dgeni-packages/jsdoc')])
 
+.factory(require('./services/targetEnvironments'))
 .factory(require('./inline-tag-defs/target'))
 
 .config(function(inlineTagProcessor, targetInlineTagDef) {

tools/api-builder/target-package/inline-tag-defs/target.js

@@ -5,19 +5,30 @@ var _ = require('lodash');
  * @description
  * Process inline `target` block tags
  * (of the form `{@target environment1 environment2}...{@endtarget}`),
- * filtering out the blocks that do not match the containing document's
- * `targetEnvironments`.
+ * filtering out the blocks that do not match the active `targetEnvironments`.
  */
-module.exports = function targetInlineTagDef() {
+module.exports = function targetInlineTagDef(targetEnvironments, log, createDocMessage) {
   return {
     name: 'target',
     end: 'endtarget',
     handler: function(doc, tagName, tagDescription) {
       var targets = tagDescription && tagDescription.tag.split(' ');
-      if (!targets || !doc.targetEnvironments ||
-          _.intersection(targets, doc.targetEnvironments).length) {
-        return tagDescription.content;
+      var hasTargets = targets && targets.length;
+
+      try {
+        // Return the contents of this block if any of the following is true:
+        // * it has no targets
+        // * there are no targets stored in the targetEnvironments service
+        // * the block's targets overlap with the active targets in the targetEnvironments service
+        if (!hasTargets || !targetEnvironments.hasActive() || targetEnvironments.someActive(targets))
+        {
+          return tagDescription.content;
+        }
+      } catch(x) {
+        log.error(createDocMessage('Error processing target inline tag def - ' + x.message, doc));
       }
+
+      // Otherwise return an empty string
       return '';
     }
   };

tools/api-builder/target-package/inline-tag-defs/target.spec.js

@@ -1,24 +1,52 @@
-var targetFactory = require('./target');
+var mockPackage = require('../mocks/mockPackage');
+var Dgeni = require('dgeni');
 
 describe('target inline-tag-def', function() {
-  it('should filter out content that does not match the doc.targetEnvironments', function() {
-    var doc, target, result;
+  var dgeni, injector, targetInlineTagDef;
 
-    doc = {
-      targetEnvironments: ['js', 'es6']
-    };
+  beforeEach(function() {
+    dgeni = new Dgeni([mockPackage()]);
+    injector = dgeni.configureInjector();
+    targetInlineTagDef = injector.get('targetInlineTagDef');
+  });
 
-    target = targetFactory();
-    result = target.handler(doc, 'target', {
+
+  it('should filter out content that does not match the targetEnvironments', function() {
+
+    var doc = {};
+
+    var targetEnvironments = injector.get('targetEnvironments');
+    targetEnvironments.addAllowed('js', true);
+    targetEnvironments.addAllowed('es6', true);
+    targetEnvironments.addAllowed('ts', false);
+
+    var result = targetInlineTagDef.handler(doc, 'target', {
       tag: 'es6 ts',
       content: 'abc'
     });
     expect(result).toEqual('abc');
 
-    result = target.handler(doc, 'target', {
+    result = targetInlineTagDef.handler(doc, 'target', {
       tag: 'ts',
       content: 'xyz'
     });
     expect(result).toEqual('');
   });
+
+
+  it('should not filter anything if there are no doc nor global target environments', function() {
+    var doc = {};
+
+    var result = targetInlineTagDef.handler(doc, 'target', {
+      tag: 'es6 ts',
+      content: 'abc'
+    });
+    expect(result).toEqual('abc');
+
+    result = targetInlineTagDef.handler(doc, 'target', {
+      tag: 'ts',
+      content: 'xyz'
+    });
+    expect(result).toEqual('xyz');
+  });
 });

tools/api-builder/target-package/mocks/mockPackage.js

@@ -0,0 +1,11 @@
+var Package = require('dgeni').Package;
+
+module.exports = function mockPackage() {
+
+  return new Package('mockPackage', [require('../')])
+
+  // provide a mock log service
+  .factory('log', function() { return require('dgeni/lib/mocks/log')(false); })
+  .factory('templateEngine', function() { return {}; });
+
+};

tools/api-builder/target-package/services/targetEnvironments.js

@@ -0,0 +1,51 @@
+module.exports = function targetEnvironments() {
+  var _targets = Object.create(null);
+  var _activeCount = 0;
+
+  var checkAllowed = function(target) {
+    if (!(target in _targets)) {
+      throw new Error('Error accessing target "' + target + '". It is not in the list of allowed targets: ' + Object.keys(_targets));
+    }
+  };
+
+  var updateActiveCount = function() {
+    _activeCount = 0;
+    for(target in _targets) {
+      if (_targets[target]) _activeCount++;
+    }
+  };
+
+  return {
+    addAllowed: function(target, isActive) {
+      _targets[target] = !!isActive;
+      updateActiveCount();
+    },
+    removeAllowed: function(target) {
+      delete _targets[target];
+      updateActiveCount();
+    },
+    activate: function(target) {
+      checkAllowed(target);
+      _targets[target] = true;
+      updateActiveCount();
+    },
+    deactivate: function(target) {
+      checkAllowed(target);
+      _targets[target] = false;
+      updateActiveCount();
+    },
+    isActive: function(target) {
+      checkAllowed(target);
+      return _targets[target];
+    },
+    hasActive: function() {
+      return _activeCount > 0;
+    },
+    someActive: function(targets) {
+      for(var i=0,ii=targets.length; i<ii; i++) {
+        if (this.isActive(targets[i])) return true;
+      }
+      return false;
+    }
+  };
+};

tools/api-builder/target-package/services/targetEnvironments.spec.js

@@ -0,0 +1,105 @@
+var mockPackage = require('../mocks/mockPackage');
+var Dgeni = require('dgeni');
+
+describe('target inline-tag-def', function() {
+  var dgeni, injector, te;
+
+  beforeEach(function() {
+    dgeni = new Dgeni([mockPackage()]);
+    injector = dgeni.configureInjector();
+    te = injector.get('targetEnvironments');
+  });
+
+  describe('addAllowed', function() {
+    it('should store the target and whether it is active', function() {
+      te.addAllowed('a', true);
+      te.addAllowed('b', false);
+      te.addAllowed('c');
+      expect(te.isActive('a')).toBe(true);
+      expect(te.isActive('b')).toBe(false);
+      expect(te.isActive('c')).toBe(false);
+    });
+  });
+
+  describe('removeAllowed', function() {
+    it('should disallow the target', function() {
+      te.addAllowed('a');
+      te.addAllowed('b');
+      te.removeAllowed('b');
+      expect(te.isActive('a')).toBe(false);
+      expect(function() { te.isActive('b'); })
+          .toThrowError('Error accessing target "b". It is not in the list of allowed targets: a');
+    });
+  });
+
+  describe('activate', function() {
+    it('should active an already allowed target', function() {
+      te.addAllowed('a', true);
+      te.addAllowed('b', false);
+      te.addAllowed('c');
+
+      te.activate('a');
+      te.activate('b');
+      te.activate('c');
+      expect(te.isActive('a')).toBe(true);
+      expect(te.isActive('b')).toBe(true);
+      expect(te.isActive('c')).toBe(true);
+    });
+  });
+
+  describe('deactivate', function() {
+    it('should deactive an already allowed target', function() {
+      te.addAllowed('a', true);
+      te.addAllowed('b', false);
+      te.addAllowed('c');
+
+      te.deactivate('a');
+      te.deactivate('b');
+      te.deactivate('c');
+      expect(te.isActive('a')).toBe(false);
+      expect(te.isActive('b')).toBe(false);
+      expect(te.isActive('c')).toBe(false);
+    });
+  });
+
+  describe('isActive', function() {
+    it('should return true if the item is allowed and active', function() {
+      te.addAllowed('a', true);
+      te.addAllowed('b', false);
+
+      expect(te.isActive('a')).toBe(true);
+      expect(te.isActive('b')).toBe(false);
+    });
+  });
+
+  describe('hasActive', function() {
+    it('should return true if there are any active targets', function() {
+      te.addAllowed('a', true);
+      te.addAllowed('b', false);
+      expect(te.hasActive()).toBe(true);
+
+      te.deactivate('a');
+      expect(te.hasActive()).toBe(false);
+
+      te.activate('b');
+      expect(te.hasActive()).toBe(true);
+    });
+  });
+
+  describe('someActive', function() {
+    it('should return true if the array of targets passed are all allowed and at least on is active', function() {
+      te.addAllowed('a', true);
+      te.addAllowed('b', false);
+      te.addAllowed('c');
+
+      expect(te.someActive(['a'])).toBe(true);
+      expect(te.someActive(['b'])).toBe(false);
+      expect(te.someActive(['a', 'b'])).toBe(true);
+      expect(te.someActive(['b', 'c'])).toBe(false);
+      expect(te.someActive([])).toBe(false);
+
+      expect(function() { te.someActive('d'); })
+          .toThrowError('Error accessing target "d". It is not in the list of allowed targets: a,b,c');
+    });
+  });
+});