simplex-lang/build/src/tools/ensure.js

SimplEx - simple expression language

import { UnexpectedTypeError } from '../errors.js';
import { unbox } from './index.js';
export function ensureNumber(val) {
    if (typeof val === 'number' && Number.isFinite(val)) {
        return val;
    }
    if (typeof val === 'bigint') {
        return val;
    }
    if (typeof val === 'object' && val instanceof Number) {
        return ensureNumber(val.valueOf());
    }
    throw new UnexpectedTypeError(['number', 'bigint'], val);
}
export function ensureFunction(val) {
    if (typeof val === 'function')
        return val;
    throw new UnexpectedTypeError(['function'], val);
}
export function ensureRelationalComparable(val) {
    val = unbox(val);
    const type = typeof val;
    if ((type === 'number' && Number.isNaN(val) === false) ||
        type === 'string' ||
        type === 'bigint') {
        return val;
    }
    throw new UnexpectedTypeError(['number', 'bigint', 'string'], val);
}
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