ts-cast/esm/types/text.js

Runtime typechecking

import { array } from './array';
import { createCaster } from '../engine';
export const textInt = createCaster('text.integer', (value) => typeof value === 'string' && value !== '', (value, context, reportError) => {
    const parsed = +value;
    if (Number.isInteger(parsed))
        return parsed;
    return reportError(`text.integer is expected${context ? ` in ${context}` : ''} but "${value}" received.`, context);
});
export const textNum = createCaster('text.number', (value) => typeof value === 'string' && value !== '', (value, context, reportError) => {
    const parsed = +value;
    if (!Number.isNaN(parsed))
        return parsed;
    return reportError(`text.number is expected${context ? ` in ${context}` : ''} but "${value}" received.`, context);
});
export const textList = (itemCaster, separator = ',') => {
    const castArray = array(itemCaster);
    return createCaster(`list(${itemCaster.name})`, (value) => typeof value === 'string', (value, context, reportError) => castArray(value === '' ? [] : value.split(separator), context, reportError));
};
export const text = {
    integer: textInt,
    number: textNum,
    list: textList,
};