@material-ui/core/FormHelperText/FormHelperText.js

React components that implement Google's Material Design.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.styles = void 0;

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _react = _interopRequireDefault(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _clsx = _interopRequireDefault(require("clsx"));

var _formControlState = _interopRequireDefault(require("../FormControl/formControlState"));

var _useFormControl = _interopRequireDefault(require("../FormControl/useFormControl"));

var _withStyles = _interopRequireDefault(require("../styles/withStyles"));

var styles = function styles(theme) {
  return {
    /* Styles applied to the root element. */
    root: (0, _extends2.default)({
      color: theme.palette.text.secondary
    }, theme.typography.caption, {
      textAlign: 'left',
      marginTop: 8,
      lineHeight: '1em',
      minHeight: '1em',
      margin: 0,
      '&$disabled': {
        color: theme.palette.text.disabled
      },
      '&$error': {
        color: theme.palette.error.main
      }
    }),

    /* Pseudo-class applied to the root element if `error={true}`. */
    error: {},

    /* Pseudo-class applied to the root element if `disabled={true}`. */
    disabled: {},

    /* Styles applied to the root element if `margin="dense"`. */
    marginDense: {
      marginTop: 4
    },

    /* Styles applied to the root element if `variant="filled"` or `variant="outlined"`. */
    contained: {
      margin: '8px 12px 0'
    },

    /* Pseudo-class applied to the root element if `focused={true}`. */
    focused: {},

    /* Pseudo-class applied to the root element if `filled={true}`. */
    filled: {},

    /* Pseudo-class applied to the root element if `required={true}`. */
    required: {}
  };
};

exports.styles = styles;

var FormHelperText = _react.default.forwardRef(function FormHelperText(props, ref) {
  var classes = props.classes,
      classNameProp = props.className,
      _props$component = props.component,
      Component = _props$component === void 0 ? 'p' : _props$component,
      disabled = props.disabled,
      error = props.error,
      filled = props.filled,
      focused = props.focused,
      margin = props.margin,
      required = props.required,
      variant = props.variant,
      other = (0, _objectWithoutProperties2.default)(props, ["classes", "className", "component", "disabled", "error", "filled", "focused", "margin", "required", "variant"]);
  var muiFormControl = (0, _useFormControl.default)();
  var fcs = (0, _formControlState.default)({
    props: props,
    muiFormControl: muiFormControl,
    states: ['variant', 'margin', 'disabled', 'error', 'filled', 'focused', 'required']
  });
  return _react.default.createElement(Component, (0, _extends2.default)({
    className: (0, _clsx.default)(classes.root, (fcs.variant === 'filled' || fcs.variant === 'outlined') && classes.contained, classNameProp, fcs.disabled && classes.disabled, fcs.error && classes.error, fcs.filled && classes.filled, fcs.focused && classes.focused, fcs.required && classes.required, {
      dense: classes.marginDense
    }[fcs.margin]),
    ref: ref
  }, other));
});

process.env.NODE_ENV !== "production" ? FormHelperText.propTypes = {
  /**
   * The content of the component.
   */
  children: _propTypes.default.node,

  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css) below for more details.
   */
  classes: _propTypes.default.object.isRequired,

  /**
   * @ignore
   */
  className: _propTypes.default.string,

  /**
   * The component used for the root node.
   * Either a string to use a DOM element or a component.
   */
  component: _propTypes.default.elementType,

  /**
   * If `true`, the helper text should be displayed in a disabled state.
   */
  disabled: _propTypes.default.bool,

  /**
   * If `true`, helper text should be displayed in an error state.
   */
  error: _propTypes.default.bool,

  /**
   * If `true`, the helper text should use filled classes key.
   */
  filled: _propTypes.default.bool,

  /**
   * If `true`, the helper text should use focused classes key.
   */
  focused: _propTypes.default.bool,

  /**
   * If `dense`, will adjust vertical spacing. This is normally obtained via context from
   * FormControl.
   */
  margin: _propTypes.default.oneOf(['dense']),

  /**
   * If `true`, the helper text should use required classes key.
   */
  required: _propTypes.default.bool,

  /**
   * The variant to use.
   */
  variant: _propTypes.default.oneOf(['standard', 'outlined', 'filled'])
} : void 0;

var _default = (0, _withStyles.default)(styles, {
  name: 'MuiFormHelperText'
})(FormHelperText);

exports.default = _default;