17 lines
410 B
JavaScript
17 lines
410 B
JavaScript
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/* IMPORT */
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/* MAIN */
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const isException = (value) => {
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return (value instanceof Error) && ('code' in value);
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};
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const isFunction = (value) => {
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return (typeof value === 'function');
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};
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const isString = (value) => {
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return (typeof value === 'string');
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};
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const isUndefined = (value) => {
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return (value === undefined);
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};
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/* EXPORT */
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export { isException, isFunction, isString, isUndefined };
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