admin
c90f503821
- Add new binary files for nodemon, onnxruntime-web, and xenova/transformers - Update various JavaScript and TypeScript files in node_modules - Remove unused files and dependencies - Add new test fixtures and documentation files
55 lines
1.8 KiB
TypeScript
55 lines
1.8 KiB
TypeScript
/**
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* Function that mimics Python's range() function.
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* @param start The start value of the range.
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* @param stop The stop value of the range. If not provided, start will be 0 and stop will be the provided start value.
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* @param step The step value of the range. Defaults to 1.
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* @returns The range of numbers.
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*/
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export function range(start: number, stop?: number, step = 1): number[] {
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if (stop === undefined) {
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stop = start;
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start = 0;
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}
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const result: number[] = [];
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for (let i = start; i < stop; i += step) {
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result.push(i);
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}
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return result;
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}
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/**
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* Function that mimics Python's array slicing.
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* @param array The array to slice.
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* @param start The start index of the slice. Defaults to 0.
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* @param stop The last index of the slice. Defaults to `array.length`.
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* @param step The step value of the slice. Defaults to 1.
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* @returns The sliced array.
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*/
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export function slice<T>(array: T[], start?: number, stop?: number, step = 1): T[] {
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const direction = Math.sign(step);
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if (direction >= 0) {
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start = (start ??= 0) < 0 ? Math.max(array.length + start, 0) : Math.min(start, array.length);
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stop = (stop ??= array.length) < 0 ? Math.max(array.length + stop, 0) : Math.min(stop, array.length);
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} else {
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start = (start ??= array.length - 1) < 0 ? Math.max(array.length + start, -1) : Math.min(start, array.length - 1);
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stop = (stop ??= -1) < -1 ? Math.max(array.length + stop, -1) : Math.min(stop, array.length - 1);
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}
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const result: T[] = [];
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for (let i = start; direction * i < direction * stop; i += step) {
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result.push(array[i]);
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}
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return result;
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}
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/**
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* Function that mimics Python's string.title() function.
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* @param value The string to title case.
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* @returns The title cased string.
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*/
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export function titleCase(value: string): string {
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return value.replace(/\b\w/g, (c) => c.toUpperCase());
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}
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