1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/find-index/index.js b/node_modules/find-index/index.js
new file mode 100644
index 000000000..61bff61af
--- /dev/null
+++ b/node_modules/find-index/index.js
@@ -0,0 +1,26 @@
+function findIndex(array, predicate, self) {
+  var len = array.length;
+  var i;
+  if (len === 0) return -1;
+  if (typeof predicate !== 'function') {
+    throw new TypeError(predicate + ' must be a function');
+  }
+
+  if (self) {
+    for (i = 0; i < len; i++) {
+      if (predicate.call(self, array[i], i, array)) {
+        return i;
+      }
+    }
+  } else {
+    for (i = 0; i < len; i++) {
+      if (predicate(array[i], i, array)) {
+        return i;
+      }
+    }
+  }
+
+  return -1;
+}
+
+module.exports = findIndex