Merge pull request #10 from pattern-lab/feature/spawnMeta

bmuenzenmeyer · web-flow · commit dbd7678c00f4 · 2017-05-16T12:15:48.000-05:00
Feature/spawn meta
diff --git a/.eslintrc b/.eslintrc
@@ -1,7 +1,12 @@
 {
   "env": {
     "node": true,
-    "builtin": true
+    "builtin": true,
+    "es6": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module"
   },
   "globals": {},
   "rules": {
@@ -67,7 +72,7 @@
     "no-with": 2,
     "quotes": [0, "single"],
     "radix": 2,
-    "semi": [0, "never"],
+    "semi": [1, "always"],
     "strict": 0,
     "space-before-blocks": 1,
     "space-before-function-paren": [1, {
@@ -78,6 +83,10 @@
     "space-infix-ops": 1,
     "valid-typeof": 2,
     "vars-on-top": 0,
-    "wrap-iife": [2, "inside"]
+    "wrap-iife": [2, "inside"],
+    "prefer-const": ["error", {
+      "destructuring": "any",
+      "ignoreReadBeforeAssign": false
+      }]
   }
 }
diff --git a/_meta/_00-head.mustache b/_meta/_00-head.mustache
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html class="{{ htmlClass }}">
+  <head>
+    <title>{{ title }}</title>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width" />
+
+    <link rel="stylesheet" href="../../css/style.css?{{ cacheBuster }}" media="all" />
+    <link rel="stylesheet" href="../../css/pattern-scaffolding.css?{{ cacheBuster }}" media="all" />
+
+    <!-- Begin Pattern Lab (Required for Pattern Lab to run properly) -->
+    {{{ patternLabHead }}}
+    <!-- End Pattern Lab -->
+
+  </head>
+  <body class="{{ bodyClass }}">
+    
diff --git a/_meta/_01-foot.mustache b/_meta/_01-foot.mustache
@@ -0,0 +1,6 @@
+
+<!--DO NOT REMOVE-->
+{{{ patternLabFoot }}}
+
+</body>
+</html>
diff --git a/lib/engine_mustache.js b/lib/engine_mustache.js
@@ -1,3 +1,5 @@
+"use strict";
+
 /*
  * mustache pattern engine for patternlab-node - v2.X.X - 2016
  *
@@ -17,10 +19,10 @@
  *
  */
 
-"use strict";
-
-var Mustache = require('mustache');
-var utilMustache = require('./util_mustache');
+const fs = require('fs-extra');
+const path = require('path');
+const Mustache = require('mustache');
+const utilMustache = require('./util_mustache');
 
 // This holds the config from from core. The core has to call
 // usePatternLabConfig() at load time for this to be populated, which
@@ -73,6 +75,32 @@ var engine_mustache = {
     return matches;
   },
 
+  spawnFile: function (config, fileName) {
+    const paths = config.paths;
+    const metaFilePath = path.resolve(paths.source.meta, fileName);
+    try {
+      fs.statSync(metaFilePath);
+    } catch (err) {
+      
+      //not a file, so spawn it from the included file
+      const localMetaFilePath = path.resolve(__dirname, '_meta/', fileName);
+      const metaFileContent = fs.readFileSync(path.resolve(__dirname, '..', '_meta/', fileName), 'utf8');
+      fs.outputFileSync(metaFilePath, metaFileContent);
+    }
+  },
+
+  /**
+  * Checks to see if the _meta directory has engine-specific head and foot files,
+  * spawning them if not found.
+  *
+  * @param {object} config - the global config object from core, since we won't
+  * assume it's already present
+  */
+  spawnMeta: function (config) {
+    this.spawnFile(config, '_00-head.mustache');
+    this.spawnFile(config, '_01-foot.mustache');
+  },
+
   // find and return any {{> template-name }} within pattern
   findPartials: function findPartials(pattern) {
     var matches = this.patternMatcher(pattern, this.findPartialsRE);
diff --git a/package.json b/package.json
@@ -4,6 +4,7 @@
   "version": "1.0.2",
   "main": "lib/engine_mustache.js",
   "dependencies": {
+    "fs-extra": "^0.30.0",
     "mustache": "^2.2.0"
   },
   "devDependencies": {

-Original file line number
+Diff line change
@@ @@ -0,0 +1,6 @@ @@
++
 +<!--DO NOT REMOVE-->
 +{{{ patternLabFoot }}}
++
 +</body>
 +</html>