cerxes/babel
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

feat: use syntax plugin

Browse Source
This commit is contained in:
Sven SAULEAU
2017-05-30 18:35:29 +02:00
parent 03d89b6307
commit 51bd87baa8
8 changed files with 23 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/parser/expression.js
View File

@@ -303,8 +303,13 @@ export default class ExpressionParser extends LValParser {
return this.parseSubscripts(this.finishNode(node, "BindExpression"), startPos, startLoc, noCalls);
} else if (this.eat(tt.questionDot)) {
const node = this.startNodeAt(startPos, startLoc);
if (!this.hasPlugin("optionalChaining")) {
this.raise(node.start, "You can only use optional-chaining when the 'optionalChaining' plugin is enabled.");
}
if (this.eat(tt.bracketL)) {
const node = this.startNodeAt(startPos, startLoc);
node.object = base;
node.optional = true;
node.property = this.parseExpression();
@@ -312,7 +317,6 @@ export default class ExpressionParser extends LValParser {
this.expect(tt.bracketR);
base = this.finishNode(node, "MemberExpression");
} else {
const node = this.startNodeAt(startPos, startLoc);
node.object = base;
node.property = this.parseIdentifier(true);
node.optional = true;