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[parser] Disallow numeric separator in unicode scape sequences (#10468)

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* [parser] Disallow numeric separator in unicode scape sequences (#10460)

* raise error only when numeric separator plugin is set

* Adds argument for checking numeric separator

* Fix condition for readability

* Add test for hex escape sequence and rephrase error message

* Remove exposure for allowNumSeparator in readHexChar method
This commit is contained in:
Ivan Medina
2019-09-23 15:47:18 -05:00
committed by Nicolò Ribaudo
parent 3069747a81
commit f339d2d034
8 changed files with 19 additions and 10 deletions
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packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-hex/input.js vendored Normal file
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"\x1_0";

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packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-hex/options.json vendored Normal file
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{ "throws": "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences (1:4)" }

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packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-unicode-2/input.js vendored Normal file
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"\u12_34"

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packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-unicode-2/options.json vendored Normal file
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{ "throws": "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences (1:5)" }

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packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-unicode/input.js vendored Normal file
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"\u{1F_639}"

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packages/babel-parser/test/fixtures/experimental/numeric-separator/invalid-unicode/options.json vendored Normal file
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{ "throws": "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences (1:6)" }