@gechiui/block-editor/build-module/hooks/letter-spacing.js

Generic block editor.

import { createElement } from "@gechiui/element";

/**
 * GeChiUI dependencies
 */
import { hasBlockSupport } from '@gechiui/blocks';
/**
 * Internal dependencies
 */

import LetterSpacingControl from '../components/letter-spacing-control';
import useSetting from '../components/use-setting';
import { cleanEmptyObject } from './utils';
/**
 * Key within block settings' supports array indicating support for letter-spacing
 * e.g. settings found in `block.json`.
 */

export const LETTER_SPACING_SUPPORT_KEY = 'typography.__experimentalLetterSpacing';
/**
 * Inspector control panel containing the letter-spacing options.
 *
 * @param {Object} props Block properties.
 * @return {GCElement}    Letter-spacing edit element.
 */

export function LetterSpacingEdit(props) {
  var _style$typography;

  const {
    attributes: {
      style
    },
    setAttributes
  } = props;

  function onChange(newSpacing) {
    setAttributes({
      style: cleanEmptyObject({ ...style,
        typography: { ...(style === null || style === void 0 ? void 0 : style.typography),
          letterSpacing: newSpacing
        }
      })
    });
  }

  return createElement(LetterSpacingControl, {
    value: style === null || style === void 0 ? void 0 : (_style$typography = style.typography) === null || _style$typography === void 0 ? void 0 : _style$typography.letterSpacing,
    onChange: onChange,
    __unstableInputWidth: false
  });
}
/**
 * Checks if letter-spacing settings have been disabled.
 *
 * @param {string} name Name of the block.
 * @return {boolean}     Whether or not the setting is disabled.
 */

export function useIsLetterSpacingDisabled() {
  let {
    name: blockName
  } = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  const notSupported = !hasBlockSupport(blockName, LETTER_SPACING_SUPPORT_KEY);
  const hasLetterSpacing = useSetting('typography.letterSpacing');
  return notSupported || !hasLetterSpacing;
}
/**
 * Checks if there is a current value set for the letter spacing block support.
 *
 * @param {Object} props Block props.
 * @return {boolean}     Whether or not the block has a letter spacing set.
 */

export function hasLetterSpacingValue(props) {
  var _props$attributes$sty, _props$attributes$sty2;

  return !!((_props$attributes$sty = props.attributes.style) !== null && _props$attributes$sty !== void 0 && (_props$attributes$sty2 = _props$attributes$sty.typography) !== null && _props$attributes$sty2 !== void 0 && _props$attributes$sty2.letterSpacing);
}
/**
 * Resets the letter spacing block support attribute. This can be used when
 * disabling the letter spacing support controls for a block via a progressive
 * discovery panel.
 *
 * @param {Object} props               Block props.
 * @param {Object} props.attributes    Block's attributes.
 * @param {Object} props.setAttributes Function to set block's attributes.
 */

export function resetLetterSpacing(_ref) {
  let {
    attributes = {},
    setAttributes
  } = _ref;
  const {
    style
  } = attributes;
  setAttributes({
    style: cleanEmptyObject({ ...style,
      typography: { ...(style === null || style === void 0 ? void 0 : style.typography),
        letterSpacing: undefined
      }
    })
  });
}
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