first commit

frontend/node_modules/@rc-component/mini-decimal/lib/numberUtil.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getNumberPrecision = getNumberPrecision;
+exports.isE = isE;
+exports.isEmpty = isEmpty;
+exports.num2str = num2str;
+exports.trimNumber = trimNumber;
+exports.validateNumber = validateNumber;
+var _supportUtil = require("./supportUtil");
+function isEmpty(value) {
+  return !value && value !== 0 && !Number.isNaN(value) || !String(value).trim();
+}
+
+/**
+ * Format string number to readable number
+ */
+function trimNumber(numStr) {
+  var str = numStr.trim();
+  var negative = str.startsWith('-');
+  if (negative) {
+    str = str.slice(1);
+  }
+  str = str
+  // Remove decimal 0. `1.000` => `1.`, `1.100` => `1.1`
+  .replace(/(\.\d*[^0])0*$/, '$1')
+  // Remove useless decimal. `1.` => `1`
+  .replace(/\.0*$/, '')
+  // Remove integer 0. `0001` => `1`, 000.1' => `.1`
+  .replace(/^0+/, '');
+  if (str.startsWith('.')) {
+    str = "0".concat(str);
+  }
+  var trimStr = str || '0';
+  var splitNumber = trimStr.split('.');
+  var integerStr = splitNumber[0] || '0';
+  var decimalStr = splitNumber[1] || '0';
+  if (integerStr === '0' && decimalStr === '0') {
+    negative = false;
+  }
+  var negativeStr = negative ? '-' : '';
+  return {
+    negative: negative,
+    negativeStr: negativeStr,
+    trimStr: trimStr,
+    integerStr: integerStr,
+    decimalStr: decimalStr,
+    fullStr: "".concat(negativeStr).concat(trimStr)
+  };
+}
+function isE(number) {
+  var str = String(number);
+  return !Number.isNaN(Number(str)) && str.includes('e');
+}
+
+/**
+ * [Legacy] Convert 1e-9 to 0.000000001.
+ * This may lose some precision if user really want 1e-9.
+ */
+function getNumberPrecision(number) {
+  var numStr = String(number);
+  if (isE(number)) {
+    var precision = Number(numStr.slice(numStr.indexOf('e-') + 2));
+    var decimalMatch = numStr.match(/\.(\d+)/);
+    if (decimalMatch !== null && decimalMatch !== void 0 && decimalMatch[1]) {
+      precision += decimalMatch[1].length;
+    }
+    return precision;
+  }
+  return numStr.includes('.') && validateNumber(numStr) ? numStr.length - numStr.indexOf('.') - 1 : 0;
+}
+
+/**
+ * Convert number (includes scientific notation) to -xxx.yyy format
+ */
+function num2str(number) {
+  var numStr = String(number);
+  if (isE(number)) {
+    if (number > Number.MAX_SAFE_INTEGER) {
+      return String((0, _supportUtil.supportBigInt)() ? BigInt(number).toString() : Number.MAX_SAFE_INTEGER);
+    }
+    if (number < Number.MIN_SAFE_INTEGER) {
+      return String((0, _supportUtil.supportBigInt)() ? BigInt(number).toString() : Number.MIN_SAFE_INTEGER);
+    }
+    numStr = number.toFixed(getNumberPrecision(numStr));
+  }
+  return trimNumber(numStr).fullStr;
+}
+function validateNumber(num) {
+  if (typeof num === 'number') {
+    return !Number.isNaN(num);
+  }
+
+  // Empty
+  if (!num) {
+    return false;
+  }
+  return (
+    // Normal type: 11.28
+    /^\s*-?\d+(\.\d+)?\s*$/.test(num) ||
+    // Pre-number: 1.
+    /^\s*-?\d+\.\s*$/.test(num) ||
+    // Post-number: .1
+    /^\s*-?\.\d+\s*$/.test(num)
+  );
+}