aboutsummaryrefslogtreecommitdiff
path: root/node_modules/has-values/index.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/has-values/index.js')
-rw-r--r--node_modules/has-values/index.js60
1 files changed, 60 insertions, 0 deletions
diff --git a/node_modules/has-values/index.js b/node_modules/has-values/index.js
new file mode 100644
index 0000000..9bebb9f
--- /dev/null
+++ b/node_modules/has-values/index.js
@@ -0,0 +1,60 @@
+/*!
+ * has-values <https://github.com/jonschlinkert/has-values>
+ *
+ * Copyright (c) 2014-2015, 2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+var typeOf = require('kind-of');
+var isNumber = require('is-number');
+
+module.exports = function hasValue(val) {
+ // is-number checks for NaN and other edge cases
+ if (isNumber(val)) {
+ return true;
+ }
+
+ switch (typeOf(val)) {
+ case 'null':
+ case 'boolean':
+ case 'function':
+ return true;
+ case 'string':
+ case 'arguments':
+ return val.length !== 0;
+ case 'error':
+ return val.message !== '';
+ case 'array':
+ var len = val.length;
+ if (len === 0) {
+ return false;
+ }
+ for (var i = 0; i < len; i++) {
+ if (hasValue(val[i])) {
+ return true;
+ }
+ }
+ return false;
+ case 'file':
+ case 'map':
+ case 'set':
+ return val.size !== 0;
+ case 'object':
+ var keys = Object.keys(val);
+ if (keys.length === 0) {
+ return false;
+ }
+ for (var i = 0; i < keys.length; i++) {
+ var key = keys[i];
+ if (hasValue(val[key])) {
+ return true;
+ }
+ }
+ return false;
+ default: {
+ return false;
+ }
+ }
+};