@wordpress/blocks/build/api/raw-handling/phrasing-content-reducer.js

Block API for WordPress.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = phrasingContentReducer;
var _dom = require("@wordpress/dom");
/**
 * WordPress dependencies
 */

function phrasingContentReducer(node, doc) {
  // In jsdom-jscore, 'node.style' can be null.
  // TODO: Explore fixing this by patching jsdom-jscore.
  if (node.nodeName === 'SPAN' && node.style) {
    const {
      fontWeight,
      fontStyle,
      textDecorationLine,
      textDecoration,
      verticalAlign
    } = node.style;
    if (fontWeight === 'bold' || fontWeight === '700') {
      (0, _dom.wrap)(doc.createElement('strong'), node);
    }
    if (fontStyle === 'italic') {
      (0, _dom.wrap)(doc.createElement('em'), node);
    }

    // Some DOM implementations (Safari, JSDom) don't support
    // style.textDecorationLine, so we check style.textDecoration as a
    // fallback.
    if (textDecorationLine === 'line-through' || textDecoration.includes('line-through')) {
      (0, _dom.wrap)(doc.createElement('s'), node);
    }
    if (verticalAlign === 'super') {
      (0, _dom.wrap)(doc.createElement('sup'), node);
    } else if (verticalAlign === 'sub') {
      (0, _dom.wrap)(doc.createElement('sub'), node);
    }
  } else if (node.nodeName === 'B') {
    node = (0, _dom.replaceTag)(node, 'strong');
  } else if (node.nodeName === 'I') {
    node = (0, _dom.replaceTag)(node, 'em');
  } else if (node.nodeName === 'A') {
    // In jsdom-jscore, 'node.target' can be null.
    // TODO: Explore fixing this by patching jsdom-jscore.
    if (node.target && node.target.toLowerCase() === '_blank') {
      node.rel = 'noreferrer noopener';
    } else {
      node.removeAttribute('target');
      node.removeAttribute('rel');
    }

    // Saves anchor elements name attribute as id
    if (node.name && !node.id) {
      node.id = node.name;
    }

    // Keeps id only if there is an internal link pointing to it
    if (node.id && !node.ownerDocument.querySelector(`[href="#${node.id}"]`)) {
      node.removeAttribute('id');
    }
  }
}
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