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antd

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An enterprise-class UI design language and React components implementation

21 lines 611 B
export const isNonNullable = val => { return val !== undefined && val !== null; }; export const isNumber = val => { return typeof val === 'number' && !Number.isNaN(val); }; export const isString = val => { return typeof val === 'string'; }; export const isPlainObject = val => { return val !== null && typeof val === 'object'; }; export const isFunction = val => { return typeof val === 'function'; }; export const isThenable = val => { return isNonNullable(val) && isFunction(val.then); }; export const isPrimitive = val => { return typeof val !== 'object' && !isFunction(val) || val === null; };