mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-08 22:02:55 +02:00
a41c798835
In addition to all the packages being updated to the latest versions, this commit also includes some mandatory changes to avoid editor breakage: - Update React to to 18.2.0. - Add the right stylesheets to support iframed block editors. Props ntsekouras, mamaduka, flixos90, desrosj, peterwilsoncc. See #57471. Built from https://develop.svn.wordpress.org/trunk@55246 git-svn-id: http://core.svn.wordpress.org/trunk@54779 1a063a9b-81f0-0310-95a4-ce76da25c4cd
516 lines
15 KiB
JavaScript
516 lines
15 KiB
JavaScript
/******/ (function() { // webpackBootstrap
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/******/ "use strict";
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/******/ // The require scope
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/******/ var __webpack_require__ = {};
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/******/
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/************************************************************************/
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/******/ /* webpack/runtime/define property getters */
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/******/ !function() {
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/******/ // define getter functions for harmony exports
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/******/ __webpack_require__.d = function(exports, definition) {
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/******/ for(var key in definition) {
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/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
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/******/ }
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/******/ }
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/******/ };
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/******/ }();
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/******/
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/******/ /* webpack/runtime/hasOwnProperty shorthand */
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/******/ !function() {
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/******/ __webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
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/******/ }();
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/******/
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/******/ /* webpack/runtime/make namespace object */
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/******/ !function() {
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/ }();
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/******/
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/************************************************************************/
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var __webpack_exports__ = {};
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__webpack_require__.r(__webpack_exports__);
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/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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/* harmony export */ "parse": function() { return /* binding */ parse; }
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/* harmony export */ });
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/**
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* @type {string}
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*/
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let document;
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/**
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* @type {number}
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*/
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let offset;
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/**
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* @type {ParsedBlock[]}
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*/
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let output;
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/**
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* @type {ParsedFrame[]}
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*/
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let stack;
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/**
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* @typedef {Object|null} Attributes
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*/
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/**
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* @typedef {Object} ParsedBlock
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* @property {string|null} blockName Block name.
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* @property {Attributes} attrs Block attributes.
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* @property {ParsedBlock[]} innerBlocks Inner blocks.
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* @property {string} innerHTML Inner HTML.
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* @property {Array<string|null>} innerContent Inner content.
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*/
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/**
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* @typedef {Object} ParsedFrame
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* @property {ParsedBlock} block Block.
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* @property {number} tokenStart Token start.
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* @property {number} tokenLength Token length.
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* @property {number} prevOffset Previous offset.
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* @property {number|null} leadingHtmlStart Leading HTML start.
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*/
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/**
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* @typedef {'no-more-tokens'|'void-block'|'block-opener'|'block-closer'} TokenType
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*/
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/**
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* @typedef {[TokenType, string, Attributes, number, number]} Token
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*/
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/**
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* Matches block comment delimiters
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*
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* While most of this pattern is straightforward the attribute parsing
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* incorporates a tricks to make sure we don't choke on specific input
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*
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* - since JavaScript has no possessive quantifier or atomic grouping
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* we are emulating it with a trick
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*
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* we want a possessive quantifier or atomic group to prevent backtracking
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* on the `}`s should we fail to match the remainder of the pattern
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*
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* we can emulate this with a positive lookahead and back reference
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* (a++)*c === ((?=(a+))\1)*c
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*
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* let's examine an example:
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* - /(a+)*c/.test('aaaaaaaaaaaaad') fails after over 49,000 steps
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* - /(a++)*c/.test('aaaaaaaaaaaaad') fails after 85 steps
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* - /(?>a+)*c/.test('aaaaaaaaaaaaad') fails after 126 steps
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*
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* this is because the possessive `++` and the atomic group `(?>)`
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* tell the engine that all those `a`s belong together as a single group
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* and so it won't split it up when stepping backwards to try and match
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*
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* if we use /((?=(a+))\1)*c/ then we get the same behavior as the atomic group
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* or possessive and prevent the backtracking because the `a+` is matched but
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* not captured. thus, we find the long string of `a`s and remember it, then
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* reference it as a whole unit inside our pattern
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*
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* @see http://instanceof.me/post/52245507631/regex-emulate-atomic-grouping-with-lookahead
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* @see http://blog.stevenlevithan.com/archives/mimic-atomic-groups
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* @see https://javascript.info/regexp-infinite-backtracking-problem
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*
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* once browsers reliably support atomic grouping or possessive
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* quantifiers natively we should remove this trick and simplify
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*
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* @type {RegExp}
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*
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* @since 3.8.0
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* @since 4.6.1 added optimization to prevent backtracking on attribute parsing
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*/
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const tokenizer = /<!--\s+(\/)?wp:([a-z][a-z0-9_-]*\/)?([a-z][a-z0-9_-]*)\s+({(?:(?=([^}]+|}+(?=})|(?!}\s+\/?-->)[^])*)\5|[^]*?)}\s+)?(\/)?-->/g;
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/**
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* Constructs a block object.
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*
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* @param {string|null} blockName
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* @param {Attributes} attrs
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* @param {ParsedBlock[]} innerBlocks
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* @param {string} innerHTML
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* @param {string[]} innerContent
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* @return {ParsedBlock} The block object.
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*/
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function Block(blockName, attrs, innerBlocks, innerHTML, innerContent) {
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return {
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blockName,
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attrs,
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innerBlocks,
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innerHTML,
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innerContent
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};
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}
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/**
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* Constructs a freeform block object.
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*
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* @param {string} innerHTML
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* @return {ParsedBlock} The freeform block object.
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*/
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function Freeform(innerHTML) {
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return Block(null, {}, [], innerHTML, [innerHTML]);
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}
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/**
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* Constructs a frame object.
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*
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* @param {ParsedBlock} block
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* @param {number} tokenStart
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* @param {number} tokenLength
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* @param {number} prevOffset
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* @param {number|null} leadingHtmlStart
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* @return {ParsedFrame} The frame object.
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*/
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function Frame(block, tokenStart, tokenLength, prevOffset, leadingHtmlStart) {
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return {
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block,
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tokenStart,
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tokenLength,
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prevOffset: prevOffset || tokenStart + tokenLength,
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leadingHtmlStart
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};
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}
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/**
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* Parser function, that converts input HTML into a block based structure.
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*
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* @param {string} doc The HTML document to parse.
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*
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* @example
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* Input post:
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* ```html
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* <!-- wp:columns {"columns":3} -->
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* <div class="wp-block-columns has-3-columns"><!-- wp:column -->
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* <div class="wp-block-column"><!-- wp:paragraph -->
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* <p>Left</p>
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* <!-- /wp:paragraph --></div>
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* <!-- /wp:column -->
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*
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* <!-- wp:column -->
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* <div class="wp-block-column"><!-- wp:paragraph -->
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* <p><strong>Middle</strong></p>
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* <!-- /wp:paragraph --></div>
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* <!-- /wp:column -->
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*
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* <!-- wp:column -->
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* <div class="wp-block-column"></div>
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* <!-- /wp:column --></div>
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* <!-- /wp:columns -->
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* ```
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*
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* Parsing code:
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* ```js
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* import { parse } from '@wordpress/block-serialization-default-parser';
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*
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* parse( post ) === [
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* {
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* blockName: "core/columns",
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* attrs: {
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* columns: 3
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* },
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* innerBlocks: [
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* {
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* blockName: "core/column",
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* attrs: null,
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* innerBlocks: [
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* {
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* blockName: "core/paragraph",
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* attrs: null,
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* innerBlocks: [],
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* innerHTML: "\n<p>Left</p>\n"
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* }
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* ],
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* innerHTML: '\n<div class="wp-block-column"></div>\n'
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* },
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* {
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* blockName: "core/column",
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* attrs: null,
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* innerBlocks: [
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* {
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* blockName: "core/paragraph",
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* attrs: null,
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* innerBlocks: [],
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* innerHTML: "\n<p><strong>Middle</strong></p>\n"
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* }
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* ],
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* innerHTML: '\n<div class="wp-block-column"></div>\n'
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* },
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* {
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* blockName: "core/column",
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* attrs: null,
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* innerBlocks: [],
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* innerHTML: '\n<div class="wp-block-column"></div>\n'
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* }
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* ],
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* innerHTML: '\n<div class="wp-block-columns has-3-columns">\n\n\n\n</div>\n'
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* }
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* ];
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* ```
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* @return {ParsedBlock[]} A block-based representation of the input HTML.
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*/
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const parse = doc => {
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document = doc;
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offset = 0;
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output = [];
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stack = [];
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tokenizer.lastIndex = 0;
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do {// twiddle our thumbs
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} while (proceed());
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return output;
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};
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/**
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* Parses the next token in the input document.
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*
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* @return {boolean} Returns true when there is more tokens to parse.
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*/
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function proceed() {
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const stackDepth = stack.length;
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const next = nextToken();
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const [tokenType, blockName, attrs, startOffset, tokenLength] = next; // We may have some HTML soup before the next block.
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const leadingHtmlStart = startOffset > offset ? offset : null;
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switch (tokenType) {
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case 'no-more-tokens':
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// If not in a block then flush output.
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if (0 === stackDepth) {
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addFreeform();
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return false;
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} // Otherwise we have a problem
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// This is an error
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// we have options
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// - treat it all as freeform text
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// - assume an implicit closer (easiest when not nesting)
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// For the easy case we'll assume an implicit closer.
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if (1 === stackDepth) {
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addBlockFromStack();
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return false;
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} // For the nested case where it's more difficult we'll
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// have to assume that multiple closers are missing
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// and so we'll collapse the whole stack piecewise.
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while (0 < stack.length) {
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addBlockFromStack();
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}
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return false;
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case 'void-block':
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// easy case is if we stumbled upon a void block
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// in the top-level of the document.
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if (0 === stackDepth) {
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if (null !== leadingHtmlStart) {
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output.push(Freeform(document.substr(leadingHtmlStart, startOffset - leadingHtmlStart)));
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}
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output.push(Block(blockName, attrs, [], '', []));
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offset = startOffset + tokenLength;
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return true;
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} // Otherwise we found an inner block.
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addInnerBlock(Block(blockName, attrs, [], '', []), startOffset, tokenLength);
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offset = startOffset + tokenLength;
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return true;
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case 'block-opener':
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// Track all newly-opened blocks on the stack.
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stack.push(Frame(Block(blockName, attrs, [], '', []), startOffset, tokenLength, startOffset + tokenLength, leadingHtmlStart));
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offset = startOffset + tokenLength;
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return true;
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case 'block-closer':
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// If we're missing an opener we're in trouble
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// This is an error.
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if (0 === stackDepth) {
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// We have options
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// - assume an implicit opener
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// - assume _this_ is the opener
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// - give up and close out the document.
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addFreeform();
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return false;
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} // If we're not nesting then this is easy - close the block.
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if (1 === stackDepth) {
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addBlockFromStack(startOffset);
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offset = startOffset + tokenLength;
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return true;
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} // Otherwise we're nested and we have to close out the current
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// block and add it as a innerBlock to the parent.
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const stackTop =
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/** @type {ParsedFrame} */
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stack.pop();
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const html = document.substr(stackTop.prevOffset, startOffset - stackTop.prevOffset);
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stackTop.block.innerHTML += html;
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stackTop.block.innerContent.push(html);
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stackTop.prevOffset = startOffset + tokenLength;
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addInnerBlock(stackTop.block, stackTop.tokenStart, stackTop.tokenLength, startOffset + tokenLength);
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offset = startOffset + tokenLength;
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return true;
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default:
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// This is an error.
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addFreeform();
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return false;
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}
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}
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/**
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* Parse JSON if valid, otherwise return null
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*
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* Note that JSON coming from the block comment
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* delimiters is constrained to be an object
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* and cannot be things like `true` or `null`
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*
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* @param {string} input JSON input string to parse
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* @return {Object|null} parsed JSON if valid
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*/
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function parseJSON(input) {
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try {
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return JSON.parse(input);
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} catch (e) {
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return null;
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}
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}
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/**
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* Finds the next token in the document.
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*
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* @return {Token} The next matched token.
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*/
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function nextToken() {
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// Aye the magic
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// we're using a single RegExp to tokenize the block comment delimiters
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// we're also using a trick here because the only difference between a
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// block opener and a block closer is the leading `/` before `wp:` (and
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// a closer has no attributes). we can trap them both and process the
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// match back in JavaScript to see which one it was.
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const matches = tokenizer.exec(document); // We have no more tokens.
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if (null === matches) {
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return ['no-more-tokens', '', null, 0, 0];
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}
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const startedAt = matches.index;
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const [match, closerMatch, namespaceMatch, nameMatch, attrsMatch
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/* Internal/unused. */
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,, voidMatch] = matches;
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const length = match.length;
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const isCloser = !!closerMatch;
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const isVoid = !!voidMatch;
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const namespace = namespaceMatch || 'core/';
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const name = namespace + nameMatch;
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const hasAttrs = !!attrsMatch;
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const attrs = hasAttrs ? parseJSON(attrsMatch) : {}; // This state isn't allowed
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// This is an error.
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if (isCloser && (isVoid || hasAttrs)) {// We can ignore them since they don't hurt anything
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// we may warn against this at some point or reject it.
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}
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if (isVoid) {
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return ['void-block', name, attrs, startedAt, length];
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}
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if (isCloser) {
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return ['block-closer', name, null, startedAt, length];
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}
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return ['block-opener', name, attrs, startedAt, length];
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}
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/**
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* Adds a freeform block to the output.
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*
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* @param {number} [rawLength]
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*/
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function addFreeform(rawLength) {
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const length = rawLength ? rawLength : document.length - offset;
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if (0 === length) {
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return;
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}
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output.push(Freeform(document.substr(offset, length)));
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}
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/**
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* Adds inner block to the parent block.
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*
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* @param {ParsedBlock} block
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* @param {number} tokenStart
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* @param {number} tokenLength
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* @param {number} [lastOffset]
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*/
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function addInnerBlock(block, tokenStart, tokenLength, lastOffset) {
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const parent = stack[stack.length - 1];
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parent.block.innerBlocks.push(block);
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const html = document.substr(parent.prevOffset, tokenStart - parent.prevOffset);
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if (html) {
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parent.block.innerHTML += html;
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parent.block.innerContent.push(html);
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}
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parent.block.innerContent.push(null);
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parent.prevOffset = lastOffset ? lastOffset : tokenStart + tokenLength;
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}
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/**
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* Adds block from the stack to the output.
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*
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* @param {number} [endOffset]
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*/
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function addBlockFromStack(endOffset) {
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const {
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block,
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leadingHtmlStart,
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prevOffset,
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tokenStart
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} =
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/** @type {ParsedFrame} */
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stack.pop();
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const html = endOffset ? document.substr(prevOffset, endOffset - prevOffset) : document.substr(prevOffset);
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if (html) {
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block.innerHTML += html;
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block.innerContent.push(html);
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}
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if (null !== leadingHtmlStart) {
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output.push(Freeform(document.substr(leadingHtmlStart, tokenStart - leadingHtmlStart)));
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}
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output.push(block);
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}
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(window.wp = window.wp || {}).blockSerializationDefaultParser = __webpack_exports__;
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/******/ })()
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; |