first

node_modules/vant/lib/utils/format/number.js

@@ -0,0 +1,60 @@
+"use strict";
+
+exports.__esModule = true;
+exports.range = range;
+exports.formatNumber = formatNumber;
+exports.addNumber = addNumber;
+
+function range(num, min, max) {
+  return Math.min(Math.max(num, min), max);
+}
+
+function trimExtraChar(value, _char, regExp) {
+  var index = value.indexOf(_char);
+  var prefix = '';
+
+  if (index === -1) {
+    return value;
+  }
+
+  if (_char === '-' && index !== 0) {
+    return value.slice(0, index);
+  }
+
+  if (_char === '.' && value.match(/^(\.|-\.)/)) {
+    prefix = index ? '-0' : '0';
+  }
+
+  return prefix + value.slice(0, index + 1) + value.slice(index).replace(regExp, '');
+}
+
+function formatNumber(value, allowDot, allowMinus) {
+  if (allowDot === void 0) {
+    allowDot = true;
+  }
+
+  if (allowMinus === void 0) {
+    allowMinus = true;
+  }
+
+  if (allowDot) {
+    value = trimExtraChar(value, '.', /\./g);
+  } else {
+    value = value.split('.')[0];
+  }
+
+  if (allowMinus) {
+    value = trimExtraChar(value, '-', /-/g);
+  } else {
+    value = value.replace(/-/, '');
+  }
+
+  var regExp = allowDot ? /[^-0-9.]/g : /[^-0-9]/g;
+  return value.replace(regExp, '');
+} // add num and avoid float number
+
+
+function addNumber(num1, num2) {
+  var cardinal = Math.pow(10, 10);
+  return Math.round((num1 + num2) * cardinal) / cardinal;
+}