botframework-webchat-component/lib/hooks/internal/useChanged.js

React component of botframework-webchat

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useChanged;

var _react = require("react");

function useChanged(value) {
  var prevValueRef = (0, _react.useRef)(value);
  var changed = value !== prevValueRef.current;
  prevValueRef.current = value;
  return changed;
}
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