Add option for requiring leading space (#36)

- Includes a rearrangement of arguments for the `getTriggerInfo` call in
  the `replaceTriggerText` method to match the `getTriggerInfo` method
  signature. This seemed to work fine before because
  all arguments were always `true` in that context.

README.md

@@ -164,7 +164,10 @@ Collection object shown with defaults:
   fillAttr: 'value',
 
   // REQUIRED: array of objects to match
-  values: []
+  values: [],
+
+  // specify whether a space is required before the trigger character
+  requireLeadingSpace: true
 }
 ```
 

src/Tribute.js

@@ -16,7 +16,8 @@ class Tribute {
         fillAttr = 'value',
         collection = null,
         menuContainer = null,
-        noMatchTemplate = null
+        noMatchTemplate = null,
+        requireLeadingSpace = true
     }) {
 
         this.menuSelected = 0
@@ -56,7 +57,9 @@ class Tribute {
                 fillAttr: fillAttr,
 
                 // array of objects
-                values: values
+                values: values,
+
+                requireLeadingSpace: requireLeadingSpace
             }]
         }
         else if (collection) {
@@ -77,7 +80,8 @@ class Tribute {
                     })(noMatchTemplate),
                     lookup: item.lookup || lookup,
                     fillAttr: item.fillAttr || fillAttr,
-                    values: item.values
+                    values: item.values,
+                    requireLeadingSpace: item.requireLeadingSpace
                 }
             })
         }

src/TributeRange.js

@@ -95,7 +95,7 @@ class TributeRange {
         let context = this.tribute.current
         this.resetSelection(context.element, context.selectedPath, context.selectedOffset)
 
-        let info = this.getTriggerInfo(requireLeadingSpace, true, hasTrailingSpace)
+        let info = this.getTriggerInfo(true, hasTrailingSpace, requireLeadingSpace)
 
         // Create the event
         let replaceEvent = new CustomEvent('tribute-replaced', {
@@ -251,12 +251,14 @@ class TributeRange {
             let mostRecentTriggerCharPos = -1
             let triggerChar
 
-            this.tribute.triggers().forEach(c => {
+            this.tribute.collection.forEach(config => {
+                let c = config.trigger
                 let idx = effectiveRange.lastIndexOf(c)
 
                 if (idx > mostRecentTriggerCharPos) {
                     mostRecentTriggerCharPos = idx
                     triggerChar = c
+                    requireLeadingSpace = config.requireLeadingSpace
                 }
             })