first commit

frontend/node_modules/@rc-component/mini-decimal/es/BigIntDecimal.js

@@ -0,0 +1,177 @@
+import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
+import _createClass from "@babel/runtime/helpers/esm/createClass";
+import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
+import { isE, isEmpty, num2str, trimNumber, validateNumber } from "./numberUtil";
+var BigIntDecimal = /*#__PURE__*/function () {
+  /** BigInt will convert `0009` to `9`. We need record the len of decimal */
+
+  function BigIntDecimal(value) {
+    _classCallCheck(this, BigIntDecimal);
+    _defineProperty(this, "origin", '');
+    _defineProperty(this, "negative", void 0);
+    _defineProperty(this, "integer", void 0);
+    _defineProperty(this, "decimal", void 0);
+    _defineProperty(this, "decimalLen", void 0);
+    _defineProperty(this, "empty", void 0);
+    _defineProperty(this, "nan", void 0);
+    if (isEmpty(value)) {
+      this.empty = true;
+      return;
+    }
+    this.origin = String(value);
+
+    // Act like Number convert
+    if (value === '-' || Number.isNaN(value)) {
+      this.nan = true;
+      return;
+    }
+    var mergedValue = value;
+
+    // We need convert back to Number since it require `toFixed` to handle this
+    if (isE(mergedValue)) {
+      mergedValue = Number(mergedValue);
+    }
+    mergedValue = typeof mergedValue === 'string' ? mergedValue : num2str(mergedValue);
+    if (validateNumber(mergedValue)) {
+      var trimRet = trimNumber(mergedValue);
+      this.negative = trimRet.negative;
+      var numbers = trimRet.trimStr.split('.');
+      this.integer = BigInt(numbers[0]);
+      var decimalStr = numbers[1] || '0';
+      this.decimal = BigInt(decimalStr);
+      this.decimalLen = decimalStr.length;
+    } else {
+      this.nan = true;
+    }
+  }
+  _createClass(BigIntDecimal, [{
+    key: "getMark",
+    value: function getMark() {
+      return this.negative ? '-' : '';
+    }
+  }, {
+    key: "getIntegerStr",
+    value: function getIntegerStr() {
+      return this.integer.toString();
+    }
+
+    /**
+     * @private get decimal string
+     */
+  }, {
+    key: "getDecimalStr",
+    value: function getDecimalStr() {
+      return this.decimal.toString().padStart(this.decimalLen, '0');
+    }
+
+    /**
+     * @private Align BigIntDecimal with same decimal length. e.g. 12.3 + 5 = 1230000
+     * This is used for add function only.
+     */
+  }, {
+    key: "alignDecimal",
+    value: function alignDecimal(decimalLength) {
+      var str = "".concat(this.getMark()).concat(this.getIntegerStr()).concat(this.getDecimalStr().padEnd(decimalLength, '0'));
+      return BigInt(str);
+    }
+  }, {
+    key: "negate",
+    value: function negate() {
+      var clone = new BigIntDecimal(this.toString());
+      clone.negative = !clone.negative;
+      return clone;
+    }
+  }, {
+    key: "cal",
+    value: function cal(offset, calculator, calDecimalLen) {
+      var maxDecimalLength = Math.max(this.getDecimalStr().length, offset.getDecimalStr().length);
+      var myAlignedDecimal = this.alignDecimal(maxDecimalLength);
+      var offsetAlignedDecimal = offset.alignDecimal(maxDecimalLength);
+      var valueStr = calculator(myAlignedDecimal, offsetAlignedDecimal).toString();
+      var nextDecimalLength = calDecimalLen(maxDecimalLength);
+
+      // We need fill string length back to `maxDecimalLength` to avoid parser failed
+      var _trimNumber = trimNumber(valueStr),
+        negativeStr = _trimNumber.negativeStr,
+        trimStr = _trimNumber.trimStr;
+      var hydrateValueStr = "".concat(negativeStr).concat(trimStr.padStart(nextDecimalLength + 1, '0'));
+      return new BigIntDecimal("".concat(hydrateValueStr.slice(0, -nextDecimalLength), ".").concat(hydrateValueStr.slice(-nextDecimalLength)));
+    }
+  }, {
+    key: "add",
+    value: function add(value) {
+      if (this.isInvalidate()) {
+        return new BigIntDecimal(value);
+      }
+      var offset = new BigIntDecimal(value);
+      if (offset.isInvalidate()) {
+        return this;
+      }
+      return this.cal(offset, function (num1, num2) {
+        return num1 + num2;
+      }, function (len) {
+        return len;
+      });
+    }
+  }, {
+    key: "multi",
+    value: function multi(value) {
+      var target = new BigIntDecimal(value);
+      if (this.isInvalidate() || target.isInvalidate()) {
+        return new BigIntDecimal(NaN);
+      }
+      return this.cal(target, function (num1, num2) {
+        return num1 * num2;
+      }, function (len) {
+        return len * 2;
+      });
+    }
+  }, {
+    key: "isEmpty",
+    value: function isEmpty() {
+      return this.empty;
+    }
+  }, {
+    key: "isNaN",
+    value: function isNaN() {
+      return this.nan;
+    }
+  }, {
+    key: "isInvalidate",
+    value: function isInvalidate() {
+      return this.isEmpty() || this.isNaN();
+    }
+  }, {
+    key: "equals",
+    value: function equals(target) {
+      return this.toString() === (target === null || target === void 0 ? void 0 : target.toString());
+    }
+  }, {
+    key: "lessEquals",
+    value: function lessEquals(target) {
+      return this.add(target.negate().toString()).toNumber() <= 0;
+    }
+  }, {
+    key: "toNumber",
+    value: function toNumber() {
+      if (this.isNaN()) {
+        return NaN;
+      }
+      return Number(this.toString());
+    }
+  }, {
+    key: "toString",
+    value: function toString() {
+      var safe = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+      if (!safe) {
+        return this.origin;
+      }
+      if (this.isInvalidate()) {
+        return '';
+      }
+      return trimNumber("".concat(this.getMark()).concat(this.getIntegerStr(), ".").concat(this.getDecimalStr())).fullStr;
+    }
+  }]);
+  return BigIntDecimal;
+}();
+export { BigIntDecimal as default };