fix: operator boundary not correctly recognized, fixes #342

src/util/operator-trie.ts

@@ -1,4 +1,5 @@
 import { Operators } from '../render/operator'
+import { IDENTIFIER, TYPES } from '../util/character'
 
 export interface Trie {
   [key: string]: any;
@@ -13,7 +14,7 @@ export function createTrie (operators: Operators): Trie {
       const c = name[i]
       node[c] = node[c] || {}
 
-      if (i === name.length - 1 && c !== '=') {
+      if (i === name.length - 1 && (TYPES[name.charCodeAt(i)] & IDENTIFIER)) {
         node[c].needBoundary = true
       }