28 lines
1.5 KiB
TypeScript
28 lines
1.5 KiB
TypeScript
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/**
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* Create a hast element from a simple CSS selector.
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*
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* @template {string} Selector
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* Type of selector.
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* @template {string} [DefaultTagName='div']
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* Type of default tag name (default: `'div'`).
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* @param {Selector | null | undefined} [selector]
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* Simple CSS selector (optional).
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*
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* Can contain a tag name (`foo`), classes (`.bar`), and an ID (`#baz`).
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* Multiple classes are allowed.
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* Uses the last ID if multiple IDs are found.
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* @param {DefaultTagName | null | undefined} [defaultTagName='div']
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* Tag name to use if `selector` does not specify one (default: `'div'`).
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* @returns {Element & {tagName: ExtractTagName<Selector, DefaultTagName>}}
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* Built element.
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*/
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export function parseSelector<Selector extends string, DefaultTagName extends string = "div">(selector?: Selector | null | undefined, defaultTagName?: DefaultTagName | null | undefined): import("hast").Element & {
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tagName: ExtractTagName<Selector, DefaultTagName>;
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};
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export type Element = import('hast').Element;
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export type Properties = import('hast').Properties;
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/**
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* Extract tag name from a simple selector.
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*/
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export type ExtractTagName<SimpleSelector extends string, DefaultTagName extends string> = SimpleSelector extends "" ? DefaultTagName : SimpleSelector extends `${infer TagName}.${infer Rest}` ? ExtractTagName<TagName, DefaultTagName> : SimpleSelector extends `${infer TagName_1}#${infer Rest_1}` ? ExtractTagName<TagName_1, DefaultTagName> : SimpleSelector extends string ? SimpleSelector : DefaultTagName;
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