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