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Note that \"include\"\n * rules are applied first and \"exclude\" rules second.\n */\nconst setCustomElementsScopingRules = (rules: Rules) => {\n\tif (!rules || !rules.include) {\n\t\tthrow new Error(`\"rules\" must be an object with at least an \"include\" property`);\n\t}\n\n\tif (!Array.isArray(rules.include) || rules.include.some(rule => !(rule instanceof RegExp))) {\n\t\tthrow new Error(`\"rules.include\" must be an array of regular expressions`);\n\t}\n\n\tif (rules.exclude && (!Array.isArray(rules.exclude) || rules.exclude.some(rule => !(rule instanceof RegExp)))) {\n\t\tthrow new Error(`\"rules.exclude\" must be an array of regular expressions`);\n\t}\n\n\trules.exclude = rules.exclude || [];\n\trulesObj = rules;\n\ttagsCache.clear(); // reset the cache upon setting new rules\n};\n\n/**\n * Returns the rules, governing which custom element tags to scope and which not. By default, all elements\n * starting with \"ui5-\" are scoped. The default rules are: {include: [/^ui5-/]}.\n *\n * @public\n * @returns {Object}\n */\nconst getCustomElementsScopingRules = () => {\n\treturn rulesObj;\n};\n\n/**\n * Determines whether custom elements with the given tag should be scoped or not.\n * The tag is first matched against the \"include\" rules and then against the \"exclude\" rules and the\n * result is cached until new rules are set.\n *\n * @public\n * @param tag\n */\nconst shouldScopeCustomElement = (tag: string) => {\n\tif (!tagsCache.has(tag)) {\n\t\tconst result = rulesObj.include.some(rule => tag.match(rule)) && !rulesObj.exclude.some(rule => tag.match(rule));\n\t\ttagsCache.set(tag, result);\n\t}\n\n\treturn tagsCache.get(tag);\n};\n\n/**\n * Returns the currently set scoping suffix, if any and if the tag should be scoped, or undefined otherwise.\n *\n * @public\n * @param tag\n * @returns {String}\n */\nconst getEffectiveScopingSuffixForTag = (tag: string) => {\n\tif (shouldScopeCustomElement(tag)) {\n\t\treturn getCustomElementsScopingSuffix();\n\t}\n};\n\n/**\n * @public\n * Used for getting a scoped name for a CSS variable using the same transformation used in the build\n * @name the name of the css variable as written in the code\n * @returns a variable name with the current version inserted as available at runtime\n */\nconst getScopedVarName = (name: string) => {\n\tconst versionStr = `v${VersionInfo.version.replaceAll(\".\", \"-\")}`;\n\tconst expr = /(--_?ui5)([^,:)\\s]+)/g;\n\treturn name.replaceAll(expr, `$1-${versionStr}$2`);\n};\n\nexport {\n\tsetCustomElementsScopingSuffix,\n\tgetCustomElementsScopingSuffix,\n\tsetCustomElementsScopingRules,\n\tgetCustomElementsScopingRules,\n\tshouldScopeCustomElement,\n\tgetEffectiveScopingSuffixForTag,\n\tgetScopedVarName,\n};\n"]}