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node_modules/ramda/es/findIndex.js

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+import _curry2 from "./internal/_curry2.js";
+import _dispatchable from "./internal/_dispatchable.js";
+import _xfindIndex from "./internal/_xfindIndex.js";
+/**
+ * Returns the index of the first element of the list which matches the
+ * predicate, or `-1` if no element matches.
+ *
+ * Acts as a transducer if a transformer is given in list position.
+ *
+ * @func
+ * @memberOf R
+ * @since v0.1.1
+ * @category List
+ * @sig (a -> Boolean) -> [a] -> Number
+ * @param {Function} fn The predicate function used to determine if the element is the
+ * desired one.
+ * @param {Array} list The array to consider.
+ * @return {Number} The index of the element found, or `-1`.
+ * @see R.transduce
+ * @example
+ *
+ *      const xs = [{a: 1}, {a: 2}, {a: 3}];
+ *      R.findIndex(R.propEq('a', 2))(xs); //=> 1
+ *      R.findIndex(R.propEq('a', 4))(xs); //=> -1
+ */
+
+var findIndex =
+/*#__PURE__*/
+_curry2(
+/*#__PURE__*/
+_dispatchable([], _xfindIndex, function findIndex(fn, list) {
+  var idx = 0;
+  var len = list.length;
+
+  while (idx < len) {
+    if (fn(list[idx])) {
+      return idx;
+    }
+
+    idx += 1;
+  }
+
+  return -1;
+}));
+
+export default findIndex;