update

node_modules/ramda/src/internal/_xreduceBy.js

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+var _curryN =
+/*#__PURE__*/
+require("./_curryN");
+
+var _has =
+/*#__PURE__*/
+require("./_has");
+
+var _xfBase =
+/*#__PURE__*/
+require("./_xfBase");
+
+var XReduceBy =
+/*#__PURE__*/
+function () {
+  function XReduceBy(valueFn, valueAcc, keyFn, xf) {
+    this.valueFn = valueFn;
+    this.valueAcc = valueAcc;
+    this.keyFn = keyFn;
+    this.xf = xf;
+    this.inputs = {};
+  }
+
+  XReduceBy.prototype['@@transducer/init'] = _xfBase.init;
+
+  XReduceBy.prototype['@@transducer/result'] = function (result) {
+    var key;
+
+    for (key in this.inputs) {
+      if (_has(key, this.inputs)) {
+        result = this.xf['@@transducer/step'](result, this.inputs[key]);
+
+        if (result['@@transducer/reduced']) {
+          result = result['@@transducer/value'];
+          break;
+        }
+      }
+    }
+
+    this.inputs = null;
+    return this.xf['@@transducer/result'](result);
+  };
+
+  XReduceBy.prototype['@@transducer/step'] = function (result, input) {
+    var key = this.keyFn(input);
+    this.inputs[key] = this.inputs[key] || [key, this.valueAcc];
+    this.inputs[key][1] = this.valueFn(this.inputs[key][1], input);
+    return result;
+  };
+
+  return XReduceBy;
+}();
+
+var _xreduceBy =
+/*#__PURE__*/
+_curryN(4, [], function _xreduceBy(valueFn, valueAcc, keyFn, xf) {
+  return new XReduceBy(valueFn, valueAcc, keyFn, xf);
+});
+
+module.exports = _xreduceBy;