summaryrefslogtreecommitdiff
path: root/node_modules/object-keys/foreach.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/object-keys/foreach.js')
-rw-r--r--node_modules/object-keys/foreach.js40
1 files changed, 40 insertions, 0 deletions
diff --git a/node_modules/object-keys/foreach.js b/node_modules/object-keys/foreach.js
new file mode 100644
index 0000000..db32d45
--- /dev/null
+++ b/node_modules/object-keys/foreach.js
@@ -0,0 +1,40 @@
+var hasOwn = Object.prototype.hasOwnProperty;
+var toString = Object.prototype.toString;
+
+var isFunction = function (fn) {
+ var isFunc = (typeof fn === 'function' && !(fn instanceof RegExp)) || toString.call(fn) === '[object Function]';
+ if (!isFunc && typeof window !== 'undefined') {
+ isFunc = fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt;
+ }
+ return isFunc;
+};
+
+module.exports = function forEach(obj, fn) {
+ if (!isFunction(fn)) {
+ throw new TypeError('iterator must be a function');
+ }
+ var i, k,
+ isString = typeof obj === 'string',
+ l = obj.length,
+ context = arguments.length > 2 ? arguments[2] : null;
+ if (l === +l) {
+ for (i = 0; i < l; i++) {
+ if (context === null) {
+ fn(isString ? obj.charAt(i) : obj[i], i, obj);
+ } else {
+ fn.call(context, isString ? obj.charAt(i) : obj[i], i, obj);
+ }
+ }
+ } else {
+ for (k in obj) {
+ if (hasOwn.call(obj, k)) {
+ if (context === null) {
+ fn(obj[k], k, obj);
+ } else {
+ fn.call(context, obj[k], k, obj);
+ }
+ }
+ }
+ }
+};
+