@dnb/eufemia
Version:
DNB Eufemia Design System UI Library
106 lines (105 loc) • 3.94 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = createNumberMask;
var _push = _interopRequireDefault(require("core-js-pure/stable/instance/push.js"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const emptyString = '';
const minus = '-';
const minusRegExp = /-/;
const nonDigitsRegExp = /\D+/g;
const number = 'number';
const caretTrap = '[]';
const digitRegExp = /\d/;
function convertToMask(strNumber) {
return strNumber.split(emptyString).map(ch => {
return digitRegExp.test(ch) ? digitRegExp : ch;
});
}
function createNumberMask({
prefix = emptyString,
suffix = emptyString,
includeThousandsSeparator = true,
thousandsSeparatorSymbol = ' ',
allowDecimal = false,
decimalSymbol = ',',
decimalLimit = 2,
integerLimit = false,
requireDecimal = false,
allowNegative = true
} = {}) {
function addThousandsSeparator(n, thousandsSeparatorSymbol) {
return n.replace(/\B(?=(\d{3})+(?!\d))/g, thousandsSeparatorSymbol);
}
const prefixLength = prefix && prefix.length || 0;
const suffixLength = suffix && suffix.length || 0;
const numberMask = function (rawValue = emptyString) {
const rawValueLength = rawValue.length;
if (rawValue === emptyString || rawValue[0] === prefix[0] && rawValueLength === 1) {
return prefix.split(emptyString).concat([digitRegExp]).concat(suffix.split(emptyString));
} else if (rawValue === decimalSymbol && allowDecimal) {
return prefix.split(emptyString).concat(['0', decimalSymbol, digitRegExp]).concat(suffix.split(emptyString));
}
const isNegative = rawValue[0] === minus && allowNegative;
if (isNegative) {
rawValue = rawValue.toString().substring(1);
}
const indexOfLastDecimal = rawValue.lastIndexOf(decimalSymbol);
const hasDecimal = indexOfLastDecimal !== -1;
let integer;
let fraction;
let mask;
if (rawValue.slice(suffixLength * -1) === suffix) {
rawValue = rawValue.slice(0, suffixLength * -1);
}
if (hasDecimal && (allowDecimal || requireDecimal)) {
integer = rawValue.slice(rawValue.slice(0, prefixLength) === prefix ? prefixLength : 0, indexOfLastDecimal);
fraction = rawValue.slice(indexOfLastDecimal + 1, rawValueLength);
fraction = convertToMask(fraction.replace(nonDigitsRegExp, emptyString));
} else {
if (rawValue.slice(0, prefixLength) === prefix) {
integer = rawValue.slice(prefixLength);
} else {
integer = rawValue;
}
}
integer = integer.replace(nonDigitsRegExp, emptyString);
if (typeof integerLimit === number) {
integer = integer.slice(0, integerLimit);
}
integer = includeThousandsSeparator ? addThousandsSeparator(integer, thousandsSeparatorSymbol) : integer;
mask = convertToMask(integer);
if (hasDecimal && allowDecimal || requireDecimal === true) {
if (rawValue[indexOfLastDecimal - 1] !== decimalSymbol) {
(0, _push.default)(mask).call(mask, caretTrap);
}
(0, _push.default)(mask).call(mask, decimalSymbol, caretTrap);
if (fraction) {
if (typeof decimalLimit === number) {
fraction = fraction.slice(0, decimalLimit);
}
mask = mask.concat(fraction);
}
if (requireDecimal === true && rawValue[indexOfLastDecimal - 1] === decimalSymbol) {
(0, _push.default)(mask).call(mask, digitRegExp);
}
}
if (prefixLength > 0) {
mask = prefix.split(emptyString).concat(mask);
}
if (isNegative) {
if (mask.length === prefixLength) {
(0, _push.default)(mask).call(mask, digitRegExp);
}
mask = [minusRegExp].concat(mask);
}
if (suffix.length > 0) {
mask = mask.concat(suffix.split(emptyString));
}
return mask;
};
numberMask.instanceOf = 'createNumberMask';
return numberMask;
}
//# sourceMappingURL=createNumberMask.js.map