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32 lines
1.2 KiB
TypeScript
32 lines
1.2 KiB
TypeScript
10 months ago
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declare class GraphemerHelper {
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/**
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* Check if the the character at the position {pos} of the string is surrogate
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* @param str {string}
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* @param pos {number}
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* @returns {boolean}
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*/
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static isSurrogate(str: string, pos: number): boolean;
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/**
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* The String.prototype.codePointAt polyfill
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* Private function, gets a Unicode code point from a JavaScript UTF-16 string
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* handling surrogate pairs appropriately
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* @param str {string}
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* @param idx {number}
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* @returns {number}
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*/
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static codePointAt(str: string, idx: number): number;
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/**
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* Private function, returns whether a break is allowed between the two given grapheme breaking classes
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* Implemented the UAX #29 3.1.1 Grapheme Cluster Boundary Rules on extended grapheme clusters
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* @param start {number}
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* @param mid {Array<number>}
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* @param end {number}
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* @param startEmoji {number}
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* @param midEmoji {Array<number>}
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* @param endEmoji {number}
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* @returns {number}
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*/
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static shouldBreak(start: number, mid: number[], end: number, startEmoji: number, midEmoji: number[], endEmoji: number): number;
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}
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export default GraphemerHelper;
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//# sourceMappingURL=GraphemerHelper.d.ts.map
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