"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.AutoResizeTextarea = void 0;
var _react = _interopRequireWildcard(require("react"));
var _classnames = _interopRequireDefault(require("classnames"));
var _Styles = require("./Styles");
var _useForkRef = _interopRequireDefault(require("../../utils/useForkRef"));
var _excluded = ["minRows", "maxRows", "lineHeight", "onChange", "className", "preventNewRowOnEnter", "cursorAtTextEnd", "onKeyDown", "value", "mode"];
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
var AutoResizeTextarea = exports.AutoResizeTextarea = /*#__PURE__*/(0, _react.forwardRef)(function (_ref, ref) {
  var _ref$minRows = _ref.minRows,
    minRows = _ref$minRows === void 0 ? 1 : _ref$minRows,
    _ref$maxRows = _ref.maxRows,
    maxRows = _ref$maxRows === void 0 ? 6 : _ref$maxRows,
    _ref$lineHeight = _ref.lineHeight,
    lineHeight = _ref$lineHeight === void 0 ? 18 : _ref$lineHeight,
    onChange = _ref.onChange,
    className = _ref.className,
    _ref$preventNewRowOnE = _ref.preventNewRowOnEnter,
    preventNewRowOnEnter = _ref$preventNewRowOnE === void 0 ? false : _ref$preventNewRowOnE,
    _ref$cursorAtTextEnd = _ref.cursorAtTextEnd,
    cursorAtTextEnd = _ref$cursorAtTextEnd === void 0 ? false : _ref$cursorAtTextEnd,
    onKeyDown = _ref.onKeyDown,
    value = _ref.value,
    _ref$mode = _ref.mode,
    mode = _ref$mode === void 0 ? "outlined" : _ref$mode,
    rest = _objectWithoutProperties(_ref, _excluded);
  var innerRef = (0, _react.useRef)(null);
  var _useState = (0, _react.useState)(minRows),
    _useState2 = _slicedToArray(_useState, 2),
    rows = _useState2[0],
    setRows = _useState2[1];
  var handleRef = (0, _useForkRef.default)(ref, innerRef);
  var calcRows = (0, _react.useCallback)(function (elem) {
    if (elem) {
      var previousRows = elem.rows || minRows;
      elem.rows = minRows;
      var currentRows = Math.floor(elem.scrollHeight / lineHeight);
      if (currentRows === previousRows) {
        elem.rows = currentRows;
      }
      if (currentRows >= maxRows) {
        elem.rows = maxRows;
        elem.scrollTop = elem.scrollHeight;
      }
      setRows(currentRows < maxRows ? currentRows : maxRows);
    }
  }, [lineHeight, maxRows, minRows]);
  (0, _react.useEffect)(function () {
    calcRows(innerRef.current);
  }, [value, calcRows]);
  var handleOnChange = (0, _react.useCallback)(function (e) {
    calcRows(e.target);
    typeof onChange === "function" && onChange(e);
  }, [onChange, calcRows]);
  var handleFocus = (0, _react.useCallback)(function (e) {
    if (cursorAtTextEnd) {
      e.target.setSelectionRange(e.target.value.length, e.target.value.length);
    }
  }, [cursorAtTextEnd]);
  var handleTextAreaKeyDown = (0, _react.useCallback)(function (e) {
    if (preventNewRowOnEnter && e.key === "Enter") {
      e.preventDefault();
    }
    typeof onKeyDown === "function" && onKeyDown(e);
  }, [preventNewRowOnEnter, onKeyDown]);
  return /*#__PURE__*/_react.default.createElement(_Styles.StyledAutoResizeTextarea, _extends({}, rest, {
    value: value,
    ref: handleRef,
    onChange: handleOnChange,
    onKeyDown: handleTextAreaKeyDown,
    onFocus: handleFocus,
    rows: rows,
    mode: mode,
    className: (0, _classnames.default)("c-autoresizetextarea", className),
    style: {
      minHeight: "".concat(lineHeight, "px"),
      lineHeight: "".concat(lineHeight, "px")
    }
  }));
});
AutoResizeTextarea.displayName = "AutoResizeTextarea";
//# sourceMappingURL=AutoResizeTextarea.js.map