event emitter and initial events for end to end test of plugin-node-tab

as part of #432

Author: bmuenzenmeyer

core/lib/object_factory.js

@@ -87,14 +87,19 @@ Pattern.prototype = {
   // calculated path from the root of the public directory to the generated html
   // file for this pattern.
   // Should look something like '00-atoms-00-global-00-colors/00-atoms-00-global-00-colors.html'
-  getPatternLink: function (patternlab, suffixType) {
+  getPatternLink: function (patternlab, suffixType, customfileExtension) {
     // if no suffixType is provided, we default to rendered
     var suffixConfig = patternlab.config.outputFileSuffixes;
     var suffix = suffixType ? suffixConfig[suffixType] : suffixConfig.rendered;
 
     if (suffixType === 'rawTemplate') {
       return this.name + path.sep + this.name + suffix + this.fileExtension;
     }
+
+    if (suffixType === 'custom') {
+      return this.name + path.sep + this.name + customfileExtension;
+    }
+
     return this.name + path.sep + this.name + suffix + '.html';
   },
 

core/lib/patternlab.js

@@ -14,9 +14,12 @@ var diveSync = require('diveSync'),
   glob = require('glob'),
   _ = require('lodash'),
   path = require('path'),
+  inherits = require('util').inherits,
   pm = require('./plugin_manager'),
   plutils = require('./utilities');
 
+var EventEmitter = require('events').EventEmitter;
+
 function buildPatternData(dataFilesPath, fs) {
   var dataFilesPath = dataFilesPath;
   var dataFiles = glob.sync(dataFilesPath + '*.json', {"ignore" : [dataFilesPath + 'listitems.json']});
@@ -88,6 +91,11 @@ function initializePlugins(patternlab) {
   }
 }
 
+function PatternLabEventEmitter() {
+  EventEmitter.call(this);
+}
+inherits(PatternLabEventEmitter, EventEmitter);
+
 var patternlab_engine = function (config) {
   'use strict';
 
@@ -102,8 +110,11 @@ var patternlab_engine = function (config) {
 
   patternlab.package = fs.readJSONSync(path.resolve(__dirname, '../../package.json'));
   patternlab.config = config || fs.readJSONSync(path.resolve(__dirname, '../../patternlab-config.json'));
+  patternlab.events = new PatternLabEventEmitter();
 
   checkConfiguration(patternlab);
+
+  //todo: determine if this is the best place to wire up plugins
   initializePlugins(patternlab);
 
   var paths = patternlab.config.paths;
@@ -207,6 +218,9 @@ var patternlab_engine = function (config) {
   }
 
   function buildPatterns(deletePatternDir) {
+
+    patternlab.events.emit('patternlab-build-pattern-start', patternlab);
+
     try {
       patternlab.data = buildPatternData(paths.source.data, fs);
     } catch (ex) {
@@ -244,9 +258,13 @@ var patternlab_engine = function (config) {
 
     pattern_assembler.combine_listItems(patternlab);
 
+    patternlab.events.emit('patternlab-build-global-data-end', patternlab);
+
     // diveSync once to perform iterative populating of patternlab object
     processAllPatternsIterative(pattern_assembler, patterns_dir, patternlab);
 
+    patternlab.events.emit('patternlab-pattern-iteration-end', patternlab);
+
     //diveSync again to recursively include partials, filling out the
     //extendedTemplate property of the patternlab.patterns elements
     processAllPatternsRecursive(pattern_assembler, patterns_dir, patternlab);
@@ -369,6 +387,8 @@ var patternlab_engine = function (config) {
         patternLabFoot : footerPartial
       });
 
+      patternlab.events.emit('patternlab-pattern-write-begin', patternlab, pattern);
+
       //write the compiled template to the public patterns directory
       var patternPage = headHTML + pattern.patternPartialCode + footerHTML;
       fs.outputFileSync(paths.public.patterns + pattern.getPatternLink(patternlab, 'rendered'), patternPage);
@@ -379,6 +399,8 @@ var patternlab_engine = function (config) {
       //write the encoded version too
       fs.outputFileSync(paths.public.patterns + pattern.getPatternLink(patternlab, 'markupOnly'), pattern.patternPartialCode);
 
+      patternlab.events.emit('patternlab-pattern-write-end', patternlab, pattern);
+
       return true;
     });
 

core/lib/plugin_manager.js

@@ -27,8 +27,13 @@ var plugin_manager = function (config, configPath) {
 
         //write config entry back
         var diskConfig = fs.readJSONSync(path.resolve(configPath), 'utf8');
-        diskConfig[pluginName] = true;
+        diskConfig[pluginName] = false;
         fs.outputFileSync(path.resolve(configPath), JSON.stringify(diskConfig, null, 2));
+
+        util.logGreen('Plugin ' + pluginName + ' installed.');
+
+        //todo, tell them how to uninstall or disable
+
       }
     } catch (ex) {
       console.log(ex);

core/lib/ui_builder.js

@@ -532,8 +532,8 @@ var ui_builder = function () {
     //viewAllPaths
     output += 'var viewAllPaths = ' + JSON.stringify(patternlab.viewAllPaths) + ';' + eol;
 
-    //plugins someday
-    output += 'var plugins = [];' + eol;
+    //plugins
+    output += 'var plugins = ' + JSON.stringify(patternlab.plugins) + ';' + eol;
 
     //smaller config elements
     output += 'var defaultShowPatternInfo = ' + (patternlab.config.defaultShowPatternInfo ? patternlab.config.defaultShowPatternInfo : 'false') + ';' + eol;

core/scripts/postinstall.js

@@ -36,10 +36,6 @@ try{
     }
   }
 
-
-
-
-
   u.logGreen('Pattern Lab postinstall complete.');
 
 } catch (ex) {