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[parser] Exception to 8 and 9 in tagged template (#10567)

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piotr 2019-10-17 00:01:22 +02:00 committed by Nicolò Ribaudo
parent 2254542010
commit 5800fc97b3
5 changed files with 16 additions and 0 deletions
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8
packages/babel-parser/src/tokenizer/index.js
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@ -1239,6 +1239,14 @@ export default class Tokenizer extends LocationParser {
case charCodes.lineSeparator:
case charCodes.paragraphSeparator:
return "";
case charCodes.digit8:
case charCodes.digit9:
if (inTemplate) {
const codePos = this.state.pos - 1;
this.state.invalidTemplateEscapePosition = codePos;
return null;
}
default:
if (ch >= charCodes.digit0 && ch <= charCodes.digit7) {
const codePos = this.state.pos - 1;

1
packages/babel-parser/test/fixtures/core/escape-template/non-octal/eight/input.js vendored Normal file
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@ -0,0 +1 @@
`\8`;

3
packages/babel-parser/test/fixtures/core/escape-template/non-octal/eight/options.json vendored Normal file
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@ -0,0 +1,3 @@
{
"throws": "Invalid escape sequence in template (1:2)"
}

1
packages/babel-parser/test/fixtures/core/escape-template/non-octal/nine/input.js vendored Normal file
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@ -0,0 +1 @@
`\9`;

3
packages/babel-parser/test/fixtures/core/escape-template/non-octal/nine/options.json vendored Normal file
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@ -0,0 +1,3 @@
{
"throws": "Invalid escape sequence in template (1:2)"
}