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docs: add JSDoc to some functions in func.ts
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@ -3,6 +3,10 @@
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//
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//
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// SPDX-License-Identifier: MIT
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// SPDX-License-Identifier: MIT
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/**
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* Return `value`, if it is in range of [`min`, `max`]. Otherwise return
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* the the closest range ends to it.
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*/
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export function clip(value: number, min: number, max: number): number {
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export function clip(value: number, min: number, max: number): number {
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if (value < min) {
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if (value < min) {
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return min;
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return min;
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@ -13,6 +17,9 @@ export function clip(value: number, min: number, max: number): number {
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return value;
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return value;
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}
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}
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/**
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* Modify the value gradually, multiplying it by (step / (1 + step))
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*/
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export function slide(value: number, step: number): number {
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export function slide(value: number, step: number): number {
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if (step === 0) {
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if (step === 0) {
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return value;
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return value;
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@ -20,6 +27,12 @@ export function slide(value: number, step: number): number {
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return Math.floor(value / step + 1.000001) * step;
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return Math.floor(value / step + 1.000001) * step;
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}
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}
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/**
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* Find the words in the string.
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* @param str the string to search words in
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* @param words the words to be searched
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* @returns index of a word, that was found in the string first. -1 if none of the words were found.
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*/
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export function matchWords(str: string, words: string[]): number {
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export function matchWords(str: string, words: string[]): number {
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for (let i = 0; i < words.length; i++) {
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for (let i = 0; i < words.length; i++) {
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if (str.indexOf(words[i]) >= 0) {
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if (str.indexOf(words[i]) >= 0) {
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