164 lines
No EOL
7.2 KiB
JavaScript
164 lines
No EOL
7.2 KiB
JavaScript
var _DecimalCSS;
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function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
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function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
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function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
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function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
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function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
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function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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import { isNan } from './DataUtils';
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var MULTIPLY_OR_DIVIDE_REGEX = /(-?\d+(?:\.\d+)?[a-zA-Z%]*)([*/])(-?\d+(?:\.\d+)?[a-zA-Z%]*)/;
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var ADD_OR_SUBTRACT_REGEX = /(-?\d+(?:\.\d+)?[a-zA-Z%]*)([+-])(-?\d+(?:\.\d+)?[a-zA-Z%]*)/;
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var CSS_LENGTH_UNIT_REGEX = /^(px|cm|vh|vw|em|rem|%|mm|in|pt|pc|ex|ch|vmin|vmax|Q)$/;
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var NUM_SPLIT_REGEX = /(-?\d+(?:\.\d+)?)([a-zA-Z%]+)?/;
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var CONVERSION_RATES = {
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cm: 96 / 2.54,
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mm: 96 / 25.4,
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pt: 96 / 72,
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pc: 96 / 6,
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in: 96,
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Q: 96 / (2.54 * 40),
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px: 1
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};
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var FIXED_CSS_LENGTH_UNITS = ['cm', 'mm', 'pt', 'pc', 'in', 'Q', 'px'];
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function isSupportedUnit(unit) {
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return FIXED_CSS_LENGTH_UNITS.includes(unit);
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}
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var STR_NAN = 'NaN';
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function convertToPx(value, unit) {
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return value * CONVERSION_RATES[unit];
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}
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class DecimalCSS {
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static parse(str) {
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var _NUM_SPLIT_REGEX$exec;
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var _ref = (_NUM_SPLIT_REGEX$exec = NUM_SPLIT_REGEX.exec(str)) !== null && _NUM_SPLIT_REGEX$exec !== void 0 ? _NUM_SPLIT_REGEX$exec : [],
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_ref2 = _slicedToArray(_ref, 3),
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numStr = _ref2[1],
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unit = _ref2[2];
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if (numStr == null) {
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return DecimalCSS.NaN;
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}
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return new DecimalCSS(parseFloat(numStr), unit !== null && unit !== void 0 ? unit : '');
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}
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constructor(num, unit) {
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this.num = num;
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this.unit = unit;
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this.num = num;
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this.unit = unit;
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if (isNan(num)) {
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this.unit = '';
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}
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if (unit !== '' && !CSS_LENGTH_UNIT_REGEX.test(unit)) {
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this.num = NaN;
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this.unit = '';
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}
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if (isSupportedUnit(unit)) {
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this.num = convertToPx(num, unit);
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this.unit = 'px';
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}
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}
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add(other) {
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if (this.unit !== other.unit) {
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return new DecimalCSS(NaN, '');
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}
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return new DecimalCSS(this.num + other.num, this.unit);
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}
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subtract(other) {
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if (this.unit !== other.unit) {
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return new DecimalCSS(NaN, '');
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}
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return new DecimalCSS(this.num - other.num, this.unit);
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}
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multiply(other) {
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if (this.unit !== '' && other.unit !== '' && this.unit !== other.unit) {
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return new DecimalCSS(NaN, '');
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}
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return new DecimalCSS(this.num * other.num, this.unit || other.unit);
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}
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divide(other) {
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if (this.unit !== '' && other.unit !== '' && this.unit !== other.unit) {
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return new DecimalCSS(NaN, '');
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}
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return new DecimalCSS(this.num / other.num, this.unit || other.unit);
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}
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toString() {
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return "".concat(this.num).concat(this.unit);
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}
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isNaN() {
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return isNan(this.num);
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}
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}
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_DecimalCSS = DecimalCSS;
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_defineProperty(DecimalCSS, "NaN", new _DecimalCSS(NaN, ''));
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function calculateArithmetic(expr) {
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if (expr == null || expr.includes(STR_NAN)) {
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return STR_NAN;
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}
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var newExpr = expr;
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while (newExpr.includes('*') || newExpr.includes('/')) {
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var _MULTIPLY_OR_DIVIDE_R;
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var _ref3 = (_MULTIPLY_OR_DIVIDE_R = MULTIPLY_OR_DIVIDE_REGEX.exec(newExpr)) !== null && _MULTIPLY_OR_DIVIDE_R !== void 0 ? _MULTIPLY_OR_DIVIDE_R : [],
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_ref4 = _slicedToArray(_ref3, 4),
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leftOperand = _ref4[1],
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operator = _ref4[2],
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rightOperand = _ref4[3];
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var lTs = DecimalCSS.parse(leftOperand !== null && leftOperand !== void 0 ? leftOperand : '');
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var rTs = DecimalCSS.parse(rightOperand !== null && rightOperand !== void 0 ? rightOperand : '');
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var result = operator === '*' ? lTs.multiply(rTs) : lTs.divide(rTs);
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if (result.isNaN()) {
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return STR_NAN;
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}
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newExpr = newExpr.replace(MULTIPLY_OR_DIVIDE_REGEX, result.toString());
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}
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while (newExpr.includes('+') || /.-\d+(?:\.\d+)?/.test(newExpr)) {
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var _ADD_OR_SUBTRACT_REGE;
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var _ref5 = (_ADD_OR_SUBTRACT_REGE = ADD_OR_SUBTRACT_REGEX.exec(newExpr)) !== null && _ADD_OR_SUBTRACT_REGE !== void 0 ? _ADD_OR_SUBTRACT_REGE : [],
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_ref6 = _slicedToArray(_ref5, 4),
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_leftOperand = _ref6[1],
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_operator = _ref6[2],
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_rightOperand = _ref6[3];
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var _lTs = DecimalCSS.parse(_leftOperand !== null && _leftOperand !== void 0 ? _leftOperand : '');
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var _rTs = DecimalCSS.parse(_rightOperand !== null && _rightOperand !== void 0 ? _rightOperand : '');
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var _result = _operator === '+' ? _lTs.add(_rTs) : _lTs.subtract(_rTs);
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if (_result.isNaN()) {
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return STR_NAN;
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}
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newExpr = newExpr.replace(ADD_OR_SUBTRACT_REGEX, _result.toString());
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}
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return newExpr;
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}
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var PARENTHESES_REGEX = /\(([^()]*)\)/;
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function calculateParentheses(expr) {
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var newExpr = expr;
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var match;
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// eslint-disable-next-line no-cond-assign
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while ((match = PARENTHESES_REGEX.exec(newExpr)) != null) {
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var _match = match,
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_match2 = _slicedToArray(_match, 2),
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parentheticalExpression = _match2[1];
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newExpr = newExpr.replace(PARENTHESES_REGEX, calculateArithmetic(parentheticalExpression));
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}
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return newExpr;
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}
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function evaluateExpression(expression) {
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var newExpr = expression.replace(/\s+/g, '');
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newExpr = calculateParentheses(newExpr);
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newExpr = calculateArithmetic(newExpr);
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return newExpr;
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}
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export function safeEvaluateExpression(expression) {
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try {
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return evaluateExpression(expression);
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} catch (_unused) {
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return STR_NAN;
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}
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}
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export function reduceCSSCalc(expression) {
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var result = safeEvaluateExpression(expression.slice(5, -1));
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if (result === STR_NAN) {
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return '';
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}
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return result;
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} |