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3.1 MiB
JSON
1 line
3.1 MiB
JSON
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{"ast":null,"code":"/**\n * @license Angular v16.2.12\n * (c) 2010-2022 Google LLC. https://angular.io/\n * License: MIT\n */\n\nconst _SELECTOR_REGEXP = new RegExp('(\\\\:not\\\\()|' +\n// 1: \":not(\"\n'(([\\\\.\\\\#]?)[-\\\\w]+)|' +\n// 2: \"tag\"; 3: \".\"/\"#\";\n// \"-\" should appear first in the regexp below as FF31 parses \"[.-\\w]\" as a range\n// 4: attribute; 5: attribute_string; 6: attribute_value\n'(?:\\\\[([-.\\\\w*\\\\\\\\$]+)(?:=([\\\"\\']?)([^\\\\]\\\"\\']*)\\\\5)?\\\\])|' +\n// \"[name]\", \"[name=value]\",\n// \"[name=\"value\"]\",\n// \"[name='value']\"\n'(\\\\))|' +\n// 7: \")\"\n'(\\\\s*,\\\\s*)',\n// 8: \",\"\n'g');\n/**\n * A css selector contains an element name,\n * css classes and attribute/value pairs with the purpose\n * of selecting subsets out of them.\n */\nclass CssSelector {\n constructor() {\n this.element = null;\n this.classNames = [];\n /**\n * The selectors are encoded in pairs where:\n * - even locations are attribute names\n * - odd locations are attribute values.\n *\n * Example:\n * Selector: `[key1=value1][key2]` would parse to:\n * ```\n * ['key1', 'value1', 'key2', '']\n * ```\n */\n this.attrs = [];\n this.notSelectors = [];\n }\n static parse(selector) {\n const results = [];\n const _addResult = (res, cssSel) => {\n if (cssSel.notSelectors.length > 0 && !cssSel.element && cssSel.classNames.length == 0 && cssSel.attrs.length == 0) {\n cssSel.element = '*';\n }\n res.push(cssSel);\n };\n let cssSelector = new CssSelector();\n let match;\n let current = cssSelector;\n let inNot = false;\n _SELECTOR_REGEXP.lastIndex = 0;\n while (match = _SELECTOR_REGEXP.exec(selector)) {\n if (match[1 /* SelectorRegexp.NOT */]) {\n if (inNot) {\n throw new Error('Nesting :not in a selector is not allowed');\n }\n inNot = true;\n current = new CssSelector();\n cssSelector.notSelectors.push(current);\n }\n const tag = match[2 /* SelectorRegexp.TAG */];\n if (tag) {\n const prefix = match[3 /* SelectorRegexp.PREFIX */];\n if (prefix === '#') {\n // #hash\n current.addAttribute('id', tag.slice(1));\n } else if (prefix === '.') {\n // Class\n current.addClassName(tag.slice(1));\n } else {\n // Element\n current.setElement(tag);\n }\n }\n const attribute = match[4 /* SelectorRegexp.ATTRIBUTE */];\n if (attribute) {\n current.addAttribute(current.unescapeAttribute(attribute), match[6 /* SelectorRegexp.ATTRIBUTE_VALUE */]);\n }\n if (match[7 /* SelectorRegexp.NOT_END */]) {\n inNot = false;\n current = cssSelector;\n }\n if (match[8 /* SelectorRegexp.SEPARATOR */]) {\n if (inNot) {\n throw new Error('Multiple selectors in :not are not supported');\n }\n _addResult(results, cssSelector);\n cssSelector = current = new CssSelector();\n }\n }\n _addResult(results, cssSelector);\n return results;\n }\n /**\n * Unescape `\\$` sequences from the CSS attribute selector.\n *\n * This is needed because `$` can have a special meaning in CSS selectors,\n * but we might want to match an attribute that contains `$`.\n * [MDN web link for more\n * info](https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors).\n * @param attr the attribute to unescape.\n * @returns the unescaped string.\n */\n unescapeAttribute(attr) {\n let result = '';\n let escaping = false;\n for (let i = 0; i < attr.length; i++) {\n const char = attr.charAt(i);\n if (char === '\\\\') {\n escaping = true;\n continue;\n }\n if (char === '$' && !escaping) {\n throw new Error(`Error in attribute selector \"${attr}\". ` + `Unescaped \"$\" is not supported. Please escape with \"\\\\$\".`);\n }\n escaping = false;\n result += char;\n }\n return result;\n }\n /**\n * Escape `$` sequ
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