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

Fix %== parsing in hack pipes (#13536)

Browse Source 
* Fix `%==` parsing in hack pipes

* Use custom token type

* Update packages/babel-parser/src/parser/expression.js

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

* Apply suggestions from code review

Co-authored-by: J. S. Choi <jschoi@jschoi.org>

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>
Co-authored-by: J. S. Choi <jschoi@jschoi.org>
This commit is contained in:
Nicolò Ribaudo
2021-07-20 16:40:31 +02:00
parent 35e4e1f067
commit ff287ac5a5
3 changed files with 24 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
packages/babel-parser/src/tokenizer/index.js
View File

@@ -615,7 +615,7 @@ export default class Tokenizer extends ParserErrors {
if (next === charCodes.equalsTo && !this.state.inType) {
width++;
type = tt.assign;
type = code === charCodes.percentSign ? tt.moduloAssign : tt.assign;
}
this.finishOp(type, width);

3
packages/babel-parser/src/tokenizer/types.js
View File

@@ -140,6 +140,9 @@ export const types: { [name: string]: TokenType } = {
eq: new TokenType("=", { beforeExpr, isAssign }),
assign: new TokenType("_=", { beforeExpr, isAssign }),
slashAssign: new TokenType("_=", { beforeExpr, isAssign }),
// This is only needed to support % as a Hack-pipe topic token. If the proposal
// ends up choosing a different token, it can be merged with tt.assign.
moduloAssign: new TokenType("_=", { beforeExpr, isAssign }),
incDec: new TokenType("++/--", { prefix, postfix, startsExpr }),
bang: new TokenType("!", { beforeExpr, prefix, startsExpr }),
tilde: new TokenType("~", { beforeExpr, prefix, startsExpr }),