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15 lines
377 B
JavaScript
15 lines
377 B
JavaScript
function isDef(value) {
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return value !== undefined && value !== null;
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}
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function isObj(x) {
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const type = typeof x;
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return x !== null && (type === 'object' || type === 'function');
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}
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function isNumber(value) {
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return /^\d+$/.test(value);
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}
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function range(num, min, max) {
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return Math.min(Math.max(num, min), max);
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}
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export { isObj, isDef, isNumber, range };
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