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fix(css): parse css selectors with escape sequences (for real) (#8496)

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* fix(css): CSS escape sequences

* Missing semicolon

Co-authored-by: Vasil Trifonov <v.trifonov@gmail.com>
This commit is contained in:
Timothy Johnson
2020-04-03 09:43:52 -07:00
committed by GitHub
parent da80cd5e1a
commit 50eb372929
2 changed files with 30 additions and 17 deletions
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10
nativescript-core/css/parser.ts
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@ -804,10 +804,16 @@ export function parseUniversalSelector(text: string, start: number = 0): Parsed<
return { start, end, value: { type: "*" } };
}
const simpleIdentifierSelectorRegEx = /(#|\.|:|\b)([_-\w][_-\w\d\\/]*)/gy;
const simpleIdentifierSelectorRegEx = /(#|\.|:|\b)((?:[\w_-]|\\.)(?:[\w\d_-]|\\.)*)/gyu;
const unicodeEscapeRegEx = /\\([0-9a-fA-F]{1,5}\s|[0-9a-fA-F]{6})/g;
export function parseSimpleIdentifierSelector(text: string, start: number = 0): Parsed<TypeSelector | ClassSelector | IdSelector | PseudoClassSelector> {
simpleIdentifierSelectorRegEx.lastIndex = start;
const result = simpleIdentifierSelectorRegEx.exec(text);
const result = simpleIdentifierSelectorRegEx.exec(
text.replace(
unicodeEscapeRegEx,
(_, c) => "\\" + String.fromCodePoint(parseInt(c.trim(), 16))
)
);
if (!result) {
return null;
}