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-rw-r--r--node_modules/lodash/isFunction.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/lodash/isFunction.js b/node_modules/lodash/isFunction.js
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+var baseGetTag = require('./_baseGetTag'),
+ isObject = require('./isObject');
+
+/** `Object#toString` result references. */
+var asyncTag = '[object AsyncFunction]',
+ funcTag = '[object Function]',
+ genTag = '[object GeneratorFunction]',
+ proxyTag = '[object Proxy]';
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+ if (!isObject(value)) {
+ return false;
+ }
+ // The use of `Object#toString` avoids issues with the `typeof` operator
+ // in Safari 9 which returns 'object' for typed arrays and other constructors.
+ var tag = baseGetTag(value);
+ return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+}
+
+module.exports = isFunction;