init

uni_modules/nutui-uni/components/input/util.ts

@@ -0,0 +1,29 @@
+function trimExtraChar(value: string, char: string, regExp: RegExp) {
+  const index = value.indexOf(char)
+
+  if (index === -1)
+    return value
+
+  if (char === '-' && index !== 0)
+    return value.slice(0, index)
+
+  return value.slice(0, index + 1) + value.slice(index).replace(regExp, '')
+}
+
+export function formatNumber(value: string, allowDot = true, allowMinus = true) {
+  if (allowDot)
+    value = trimExtraChar(value, '.', /\./g)
+
+  else
+    value = value.split('.')[0]
+
+  if (allowMinus)
+    value = trimExtraChar(value, '-', /-/g)
+
+  else
+    value = value.replace(/-/, '')
+
+  const regExp = allowDot ? /[^-0-9.]/g : /[^-0-9]/g
+
+  return value.replace(regExp, '')
+}