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frontend/node_modules/rc-picker/lib/PickerInput/hooks/useRangeActive.js

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+"use strict";
+
+var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useRangeActive;
+var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
+var React = _interopRequireWildcard(require("react"));
+var _useLockEffect = _interopRequireDefault(require("./useLockEffect"));
+/**
+ * When user first focus one input, any submit will trigger focus another one.
+ * When second time focus one input, submit will not trigger focus again.
+ * When click outside to close the panel, trigger event if it can trigger onChange.
+ */
+function useRangeActive(disabled) {
+  var empty = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+  var mergedOpen = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+  var _React$useState = React.useState(0),
+    _React$useState2 = (0, _slicedToArray2.default)(_React$useState, 2),
+    activeIndex = _React$useState2[0],
+    setActiveIndex = _React$useState2[1];
+  var _React$useState3 = React.useState(false),
+    _React$useState4 = (0, _slicedToArray2.default)(_React$useState3, 2),
+    focused = _React$useState4[0],
+    setFocused = _React$useState4[1];
+  var activeListRef = React.useRef([]);
+  var submitIndexRef = React.useRef(null);
+  var lastOperationRef = React.useRef(null);
+  var updateSubmitIndex = function updateSubmitIndex(index) {
+    submitIndexRef.current = index;
+  };
+  var hasActiveSubmitValue = function hasActiveSubmitValue(index) {
+    return submitIndexRef.current === index;
+  };
+  var triggerFocus = function triggerFocus(nextFocus) {
+    setFocused(nextFocus);
+  };
+
+  // ============================= Record =============================
+  var lastOperation = function lastOperation(type) {
+    if (type) {
+      lastOperationRef.current = type;
+    }
+    return lastOperationRef.current;
+  };
+
+  // ============================ Strategy ============================
+  // Trigger when input enter or input blur or panel close
+  var nextActiveIndex = function nextActiveIndex(nextValue) {
+    var list = activeListRef.current;
+    var filledActiveSet = new Set(list.filter(function (index) {
+      return nextValue[index] || empty[index];
+    }));
+    var nextIndex = list[list.length - 1] === 0 ? 1 : 0;
+    if (filledActiveSet.size >= 2 || disabled[nextIndex]) {
+      return null;
+    }
+    return nextIndex;
+  };
+
+  // ============================= Effect =============================
+  // Wait in case it's from the click outside to blur
+  (0, _useLockEffect.default)(focused || mergedOpen, function () {
+    if (!focused) {
+      activeListRef.current = [];
+      updateSubmitIndex(null);
+    }
+  });
+  React.useEffect(function () {
+    if (focused) {
+      activeListRef.current.push(activeIndex);
+    }
+  }, [focused, activeIndex]);
+  return [focused, triggerFocus, lastOperation, activeIndex, setActiveIndex, nextActiveIndex, activeListRef.current, updateSubmitIndex, hasActiveSubmitValue];
+}