chushihua

node_modules/async-validator/es/rule/range.js

@@ -0,0 +1,58 @@
+import * as util from '../util';
+
+/**
+ *  Rule for validating minimum and maximum allowed values.
+ *
+ *  @param rule The validation rule.
+ *  @param value The value of the field on the source object.
+ *  @param source The source object being validated.
+ *  @param errors An array of errors that this rule may add
+ *  validation errors to.
+ *  @param options The validation options.
+ *  @param options.messages The validation messages.
+ */
+function range(rule, value, source, errors, options) {
+  var len = typeof rule.len === 'number';
+  var min = typeof rule.min === 'number';
+  var max = typeof rule.max === 'number';
+  // 正则匹配码点范围从U+010000一直到U+10FFFF的文字（补充平面Supplementary Plane）
+  var spRegexp = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
+  var val = value;
+  var key = null;
+  var num = typeof value === 'number';
+  var str = typeof value === 'string';
+  var arr = Array.isArray(value);
+  if (num) {
+    key = 'number';
+  } else if (str) {
+    key = 'string';
+  } else if (arr) {
+    key = 'array';
+  }
+  // if the value is not of a supported type for range validation
+  // the validation rule rule should use the
+  // type property to also test for a particular type
+  if (!key) {
+    return false;
+  }
+  if (arr) {
+    val = value.length;
+  }
+  if (str) {
+    // 处理码点大于U+010000的文字length属性不准确的bug，如"𠮷𠮷𠮷".lenght !== 3
+    val = value.replace(spRegexp, '_').length;
+  }
+  if (len) {
+    if (val !== rule.len) {
+      errors.push(util.format(options.messages[key].len, rule.fullField, rule.len));
+    }
+  } else if (min && !max && val < rule.min) {
+    errors.push(util.format(options.messages[key].min, rule.fullField, rule.min));
+  } else if (max && !min && val > rule.max) {
+    errors.push(util.format(options.messages[key].max, rule.fullField, rule.max));
+  } else if (min && max && (val < rule.min || val > rule.max)) {
+    errors.push(util.format(options.messages[key].range, rule.fullField, rule.min, rule.max));
+  }
+}
+
+export default range;