alwz/build/esm/is.mjs

Extendable library for typecasting

import * as numbers from './constants/numbers.mjs';
export const integers = Object.fromEntries(Object.entries(numbers.integers)
    .map(([name, [min, max]]) => {
    return [
        name,
        (i) => typeof i === 'number' && min <= i && i <= max && Number.isInteger(i),
    ];
}));
export const floats = Object.fromEntries(Object.entries(numbers.floats)
    .map(([name, [min, max]]) => {
    return [
        name,
        (i) => typeof i === 'number' && min <= i && i <= max,
    ];
}));
export default Object.assign(Object.assign(Object.assign({ undefined: (i) => i === undefined, null: (i) => i === null, void: (i) => i === undefined || i === null, value: (i) => i !== undefined && i !== null, boolean: (i) => typeof i === 'boolean', number: (i) => typeof i === 'number' }, integers), floats), { bigint: (i) => typeof i === 'bigint', string: (i) => typeof i === 'string', symbol: (i) => typeof i === 'symbol', function: (i) => typeof i === 'function', object: (i) => typeof i === 'object' && i !== null, Error: (i) => i instanceof Error, Array: Array.isArray, Date: (i) => i instanceof Date, RegExp: (i) => i instanceof RegExp, Promise: (i) => i instanceof Promise, Set: (i) => i instanceof Set, WeakSet: (i) => i instanceof WeakSet, Map: (i) => i instanceof Map, WeakMap: (i) => i instanceof WeakMap, Iterable: (i) => typeof i === 'object'
        && i !== null
        && Symbol.iterator in i
        && typeof i[Symbol.iterator] === 'function' });
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