26 lines
855 B
JavaScript
26 lines
855 B
JavaScript
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// @flow
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// @credits https://gist.github.com/rogozhnikoff/a43cfed27c41e4e68cdc
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export function findInArray(array: Array<any> | TouchList, callback: Function): any {
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for (let i = 0, length = array.length; i < length; i++) {
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if (callback.apply(callback, [array[i], i, array])) return array[i];
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}
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}
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export function isFunction(func: any): boolean {
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return typeof func === 'function' || Object.prototype.toString.call(func) === '[object Function]';
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}
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export function isNum(num: any): boolean {
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return typeof num === 'number' && !isNaN(num);
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}
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export function int(a: string): number {
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return parseInt(a, 10);
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}
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export function dontSetMe(props: Object, propName: string, componentName: string) {
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if (props[propName]) {
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return new Error(`Invalid prop ${propName} passed to ${componentName} - do not set this, set it on the child.`);
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}
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}
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