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feat: deprecate axe.imports and upgrade to css-selector-parser 3 #4264

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feat: deprecate axe.imports and upgrade to css-selector-parser 3 #4264

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273a608
chore: bump css-selector-parser from 1.4.1 to 3.0.2
dependabot[bot] Dec 1, 2023
62cb71f
deprecate axe.imports
WilcoFiers Dec 4, 2023
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30 changes: 28 additions & 2 deletions lib/core/imports/index.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { CssSelectorParser } from 'css-selector-parser';
import { createParser } from 'css-selector-parser';
import doT from '@deque/dot';
import emojiRegexText from 'emoji-regex';
import memoize from 'memoizee';
Expand Down Expand Up @@ -40,10 +40,36 @@ if (window.Uint32Array) {
}
}

/**
* @deprecated
*/
class CSSSelectorParser {
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This class isn't a 1:1 back compatible wrapper. The return of CssSelectorParser was a class, but the class also had additional functions that were used to configure the parser (registerSelectorPseudos, registerNestingOperators, etc.). In order to fully be back compatible, this class would need to implement those functions and probably then call createParser in the parse function with all the settings the user has set using the configuration functions.

constructor() {
this.parser = createParser({
syntax: {
pseudoClasses: {
definitions: {
Selector: ['is', 'not']
}
},
combinators: ['>'],
attributes: {
operators: ['^=', '$=', '*=', '~=']
}
}
});
}

parse(selector) {
return this.parser.parse(selector);
}
}

/**
* Namespace `axe.imports` which holds required external dependencies
*
* @namespace imports
* @deprecated
* @memberof axe
*/
export { CssSelectorParser, doT, emojiRegexText, memoize, Color as Colorjs };
export { CSSSelectorParser, doT, emojiRegexText, memoize, Color as Colorjs };
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Shouldn't update the casing of CSS otherwise this is a breaking change

Suggested change
export { CSSSelectorParser, doT, emojiRegexText, memoize, Color as Colorjs };
export { CssSelectorParser, doT, emojiRegexText, memoize, Color as Colorjs };

22 changes: 15 additions & 7 deletions lib/core/utils/css-parser.js
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Original file line number Diff line number Diff line change
@@ -1,9 +1,17 @@
import { CssSelectorParser } from 'css-selector-parser';
import { createParser } from 'css-selector-parser';

const parser = new CssSelectorParser();
parser.registerSelectorPseudos('not');
parser.registerSelectorPseudos('is');
parser.registerNestingOperators('>');
parser.registerAttrEqualityMods('^', '$', '*', '~');
const parse = createParser({
syntax: {
pseudoClasses: {
definitions: {
Selector: ['is', 'not']
}
},
combinators: ['>'],
attributes: {
operators: ['^=', '$=', '*=', '~=']
}
}
});

export default parser;
export default { parse };
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This changed the export to a named export so you'll also need to update the import in matches.

28 changes: 19 additions & 9 deletions package-lock.json
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,7 @@
"colorjs.io": "^0.4.3",
"conventional-commits-parser": "^5.0.0",
"core-js": "^3.27.1",
"css-selector-parser": "^1.4.1",
"css-selector-parser": "^3.0.2",
"emoji-regex": "^10.2.1",
"es6-promise": "^4.2.8",
"esbuild": "^0.10.x",
Expand Down