temporary hack to fix unparser bug // aurelia/binding#586

buttonwoodcx · Apr 7, 2017 · 3142b0a · 3142b0a
1 parent 04f0ac8
commit 3142b0a
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Showing 2 changed files with 19 additions and 5 deletions.
diff --git a/src/parser.js b/src/parser.js
@@ -19,8 +19,21 @@ export class Parser {
     input = input || '';
     const rejectAssignment = opts.rejectAssignment || false;
 
-    return this.cache[input]
-      || (this.cache[input] = new ParserImplementation(this.lexer, input, {rejectAssignment}).parseExpression());
+    if (!this.cache[input]) {
+      const parserImp = new ParserImplementation(this.lexer, input, {rejectAssignment});
+      this.cache[input] = parserImp.parseExpression();
+
+      let exp = '';
+      for (let i = 0, length = parserImp.tokens.length; i < length; ++i) {
+        exp += parserImp.tokens[i].text;
+      }
+
+      this.cache[input].toString = function() {
+        return exp;
+      };
+    }
+
+    return this.cache[input];
   }
 }
 

diff --git a/test/unparser.spec.js b/test/unparser.spec.js
@@ -12,9 +12,10 @@ test('Unparser: should unparse', t => {
     '[a,b,c]',
     'foo',
     // https://github.com/aurelia/binding/issues/586
-    // 'a&&(b||c)',
-    // 'a&&(b=1)',
-    // '2*(2+3)',
+    'a&&(b||c)',
+    'a&&(b=1)',
+    '2*(2+3)',
+    '!(true?true:true)',
   ];
   let i = expressions.length;
   while (i--) {