chushihua

node_modules/async-validator/es/validator/string.js

@@ -0,0 +1,34 @@
+import rules from '../rule/';
+import { isEmptyValue } from '../util';
+
+/**
+ *  Performs validation for string types.
+ *
+ *  @param rule The validation rule.
+ *  @param value The value of the field on the source object.
+ *  @param callback The callback function.
+ *  @param source The source object being validated.
+ *  @param options The validation options.
+ *  @param options.messages The validation messages.
+ */
+function string(rule, value, callback, source, options) {
+  var errors = [];
+  var validate = rule.required || !rule.required && source.hasOwnProperty(rule.field);
+  if (validate) {
+    if (isEmptyValue(value, 'string') && !rule.required) {
+      return callback();
+    }
+    rules.required(rule, value, source, errors, options, 'string');
+    if (!isEmptyValue(value, 'string')) {
+      rules.type(rule, value, source, errors, options);
+      rules.range(rule, value, source, errors, options);
+      rules.pattern(rule, value, source, errors, options);
+      if (rule.whitespace === true) {
+        rules.whitespace(rule, value, source, errors, options);
+      }
+    }
+  }
+  callback(errors);
+}
+
+export default string;