Milestone 1.3.0

.travis.yml

@@ -2,7 +2,7 @@ language: node_js
 node_js:
   - "stable"
   - "lts/*"
-  - 6
+  - 10
 cache:
   directories:
     - node_modules

INDEX.md

@@ -34,6 +34,9 @@
 <dt><a href="#executeScope">executeScope(scope, locals, node)</a> ⇒ <code>function</code></dt>
 <dd><p>Runs walk function with arbitrary set of local variables</p>
 </dd>
+<dt><a href="#getLoopMeta">getLoopMeta(index, target)</a> ⇒ <code>Object</code></dt>
+<dd><p>Returns an object containing loop metadata</p>
+</dd>
 <dt><a href="#parseLoopStatement">parseLoopStatement(input)</a> ⇒ <code>Object</code></dt>
 <dd><p>Given a &quot;loop&quot; parameter from an &quot;each&quot; tag, parses out the param names and expression to be looped.</p>
 </dd>
@@ -158,6 +161,19 @@ Runs walk function with arbitrary set of local variables
 | locals | <code>Object</code> | Locals |
 | node | <code>Object</code> | Node |
 
+<a name="getLoopMeta"></a>
+
+## getLoopMeta(index, target) ⇒ <code>Object</code>
+Returns an object containing loop metadata
+
+**Kind**: global function  
+**Returns**: <code>Object</code> - Object containing loop metadata  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| index | <code>Integer</code> \| <code>Object</code> | Current iteration |
+| target | <code>Object</code> | Object being iterated |
+
 <a name="parseLoopStatement"></a>
 
 ## parseLoopStatement(input) ⇒ <code>Object</code>

lib/backup.js

@@ -13,11 +13,11 @@ const cloneDeep = require('fclone')
  * @return {Object} backup Backup Locals
  */
 function makeLocalsBackup (keys, locals) {
-  let backup = {}
+  const backup = {}
 
   for (let i = 0; i < keys.length; i++) {
     const key = keys[i]
-    if (locals.hasOwnProperty(key)) backup[key] = cloneDeep(locals[key])
+    if (Object.prototype.hasOwnProperty.call(locals, key)) backup[key] = cloneDeep(locals[key])
   }
 
   return backup
@@ -41,7 +41,7 @@ function revertBackupedLocals (keys, locals, backup) {
     delete locals[key]
 
     // revert copied key value
-    if (backup.hasOwnProperty(key)) locals[key] = backup[key]
+    if (Object.prototype.hasOwnProperty.call(backup, key)) locals[key] = backup[key]
   }
 
   return locals

lib/index.js

@@ -9,7 +9,7 @@ const makeLocalsBackup = require('./backup').make
 const revertBackupedLocals = require('./backup').revert
 const placeholders = require('./placeholders')
 
-let delimitersSettings = []
+const delimitersSettings = []
 let conditionals, switches, loops, scopes, ignored
 
 /**
@@ -73,7 +73,7 @@ function getLoopMeta (index, target) {
     index: index,
     remaining: arr.length - index - 1,
     first: arr.indexOf(arr[index]) === 0,
-    last: index + 1 == arr.length,
+    last: index + 1 === arr.length,
     length: arr.length
   }
 }
@@ -177,8 +177,8 @@ function walk (opts, nodes) {
     // if we have a string, match and replace it
     if (typeof node === 'string') {
       // if node contains ignored expression delimiter, output as-is
-      let before = delimitersSettings[1].text[0]
-      let after = delimitersSettings[1].text[1]
+      const before = delimitersSettings[1].text[0]
+      const after = delimitersSettings[1].text[1]
       const ignoredDelimiter = new RegExp(`@${before}(.+?)${after}`, 'g')
 
       if (ignoredDelimiter.test(node)) {
@@ -198,7 +198,7 @@ function walk (opts, nodes) {
 
     // if not, we have an object, so we need to run the attributes and contents
     if (node.attrs) {
-      for (let key in node.attrs) {
+      for (const key in node.attrs) {
         node.attrs[key] = placeholders(node.attrs[key], ctx, delimitersSettings)
       }
     }
@@ -351,7 +351,7 @@ function walk (opts, nodes) {
           m.push(executeLoop(keys, target[index], index, opts.locals, treeString))
         }
       } else {
-        for (let key in target) {
+        for (const key in target) {
           opts.locals.loop = getLoopMeta(key, target)
           m.push(executeLoop(keys, target[key], key, opts.locals, treeString))
         }

lib/placeholders.js

@@ -55,7 +55,7 @@ function placeholders (input, ctx, settings) {
 
       if (/\W+/.test(expression)) {
         value = vm.runInContext(expression, ctx)
-      } else if (ctx.hasOwnProperty(expression)) {
+      } else if (Object.prototype.hasOwnProperty.call(ctx, expression)) {
         value = ctx[expression]
       }
 

lib/tags.js

@@ -22,7 +22,7 @@ function getNextTag (nodes, i) {
     }
   }
 
-  return [ i, { tag: undefined } ]
+  return [i, { tag: undefined }]
 }
 
 /**