naive-ui
Version:
A Vue 3 Component Library. Fairly Complete, Theme Customizable, Uses TypeScript, Fast
42 lines • 1.58 kB
JavaScript
// string => string (expected, not implemented)
// string => number (legacy)
export function parse(value) {
if (value === undefined || value === null || typeof value === 'string' && value.trim() === '') {
return null;
}
return Number(value);
}
// This function is created for `update-value-on-input` prop. When the prop is
// true, the input value will update the value and <input />'s value at the same
// time. So we need to make user's content won't be replaced by its parsed value
// in some certain cases. For example '0.' should be parsed and replaced by '0',
// '-0' should be parsed and replaced by '0', since user may input '-0.1' after.
export function isWipValue(value) {
return value.includes('.') && (/^(-)?\d+.*(\.|0)$/.test(value) || /^-?\d*$/.test(value)) || value === '-' || value === '-0';
}
// string => boolean (expected, not implemented)
// number => boolean (legacy)
export function validator(value) {
if (value === undefined || value === null) return true;
if (Number.isNaN(value)) return false;
return true;
}
// string => string (expected, not implemented)
// number => string (legacy)
export function format(value, precision) {
if (typeof value !== 'number') return '';
return precision === undefined ? String(value) : value.toFixed(precision);
}
export function parseNumber(number) {
if (number === null) return null;
if (typeof number === 'number') {
return number;
} else {
const parsedNumber = Number(number);
if (Number.isNaN(parsedNumber)) {
return null;
} else {
return parsedNumber;
}
}
}