implement missing functionality from master

i made some false assumptions about how stuff worked
But now this should be onpar with master, kinda
The babel stuff will be removed once i clean this up

Author: fluvf

available-snippets-view.js

@@ -0,0 +1,44 @@
+const SelectListView = require('atom-select-list')
+
+module.exports = class AvailableSnippetsView extends SelectListView {
+  constructor (snippets, editor) {
+    super({
+      items: Object.entries(snippets.snippetsByScopes()
+        .getPropertyValue(editor.getRootScopeDescriptor().getScopeChain())),
+      filterKeyForItem: ([name, { prefix }]) => prefix + name,
+      elementForItem: ([name, { prefix }]) => {
+        const li = document.createElement('li')
+        li.classList.add('two-lines')
+
+        const primaryLine = document.createElement('div')
+        primaryLine.classList.add('primary-line')
+        primaryLine.textContent = prefix
+        li.appendChild(primaryLine)
+
+        const secondaryLine = document.createElement('div')
+        secondaryLine.classList.add('secondary-line')
+        secondaryLine.textContent = name
+        li.appendChild(secondaryLine)
+
+        return li
+      },
+      emptyMessage: 'No snippets defined for this Grammar.',
+      itemsClassList: ['available-snippets'],
+      didConfirmSelection: ([, { body }]) => {
+        this.destroy()
+        editor.getCursors().forEach(cursor =>
+          snippets.parse(body).expand({ editor, cursor }))
+      },
+      didConfirmEmptySelection: () => this.destroy(),
+      didCancelSelection: () => this.destroy()
+    })
+
+    const panel = atom.workspace.addModalPanel({ item: this })
+    this.disposables.add(
+      // Register cleanup disposables to be called on desctruction
+      { dispose: () => document.activeElement.focus },
+      { dispose: () => { panel.destroy() } })
+
+    this.focus()
+  }
+}

babel.config.json

@@ -0,0 +1,6 @@
+{
+  "plugins": [
+    "@babel/plugin-proposal-class-properties",
+    "@babel/plugin-proposal-private-methods"
+  ]
+}

constructs/babel.config.json

@@ -0,0 +1,6 @@
+{
+  "plugins": [
+    "@babel/plugin-proposal-class-properties",
+    "@babel/plugin-proposal-private-methods"
+  ]
+}

constructs/construct.js

@@ -3,27 +3,29 @@ module.exports = class Construct {
     this.identifier = identifier
   }
 
-  insert (cursor, value) {
-    return cursor.editor.getBuffer().insert(cursor.getBufferPosition(), value)
+  expand () {}
+
+  insert (editor, cursor, value) {
+    return editor.getBuffer().insert(cursor.getBufferPosition(), value)
   }
 
-  activate (mirror, cursor, stop) {
+  activate (editor, cursor, stop, mirror) {
     if (mirror === stop) {
-      cursor.selection.setBufferRange(stop.getRange())
+      cursor.selection.setBufferRange(stop.getBufferRange())
       const subscription = cursor.onDidChangePosition(({ newBufferPosition }) => {
-        if (!stop.getRange().containsPoint(newBufferPosition)) {
+        if (!stop.getBufferRange().containsPoint(newBufferPosition)) {
           stop.destroy()
           subscription.dispose()
         }
       })
     } else {
-      cursor.editor.decorateMarker(mirror, { type: 'highlight' })
+      editor.decorateMarker(mirror, { type: 'highlight' })
       stop.onDidDestroy(() => mirror.destroy())
     }
   }
 
   mark ({ tabstops, start, end = start, exclusive = true, construct = this }) {
-    tabstops.markRange({ start, end }, { exclusive }).setProperties({ construct })
+    tabstops.markBufferRange({ start, end }, { exclusive }).setProperties({ construct })
   }
 
   toString () {