Current File : //var/softaculous/sitepad/editor/site-inc/js/dist/block-serialization-default-parser.js
this["wp"] = this["wp"] || {}; this["wp"]["blockSerializationDefaultParser"] =
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/******/ ({
/***/ 197:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "parse", function() { return parse; });
/* harmony import */ var _babel_runtime_helpers_esm_slicedToArray__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(25);
var document;
var offset;
var output;
var stack;
/**
* Matches block comment delimiters
*
* While most of this pattern is straightforward the attribute parsing
* incorporates a tricks to make sure we don't choke on specific input
*
* - since JavaScript has no possessive quantifier or atomic grouping
* we are emulating it with a trick
*
* we want a possessive quantifier or atomic group to prevent backtracking
* on the `}`s should we fail to match the remainder of the pattern
*
* we can emulate this with a positive lookahead and back reference
* (a++)*c === ((?=(a+))\1)*c
*
* let's examine an example:
* - /(a+)*c/.test('aaaaaaaaaaaaad') fails after over 49,000 steps
* - /(a++)*c/.test('aaaaaaaaaaaaad') fails after 85 steps
* - /(?>a+)*c/.test('aaaaaaaaaaaaad') fails after 126 steps
*
* this is because the possessive `++` and the atomic group `(?>)`
* tell the engine that all those `a`s belong together as a single group
* and so it won't split it up when stepping backwards to try and match
*
* if we use /((?=(a+))\1)*c/ then we get the same behavior as the atomic group
* or possessive and prevent the backtracking because the `a+` is matched but
* not captured. thus, we find the long string of `a`s and remember it, then
* reference it as a whole unit inside our pattern
*
* @cite http://instanceof.me/post/52245507631/regex-emulate-atomic-grouping-with-lookahead
* @cite http://blog.stevenlevithan.com/archives/mimic-atomic-groups
* @cite https://javascript.info/regexp-infinite-backtracking-problem
*
* once browsers reliably support atomic grouping or possessive
* quantifiers natively we should remove this trick and simplify
*
* @type RegExp
*
* @since 3.8.0
* @since 4.6.1 added optimization to prevent backtracking on attribute parsing
*/
var tokenizer = /<!--\s+(\/)?wp:([a-z][a-z0-9_-]*\/)?([a-z][a-z0-9_-]*)\s+({(?:(?=([^}]+|}+(?=})|(?!}\s+\/?-->)[^])*)\5|[^]*?)}\s+)?(\/)?-->/g;
function Block(blockName, attrs, innerBlocks, innerHTML, innerContent) {
return {
blockName: blockName,
attrs: attrs,
innerBlocks: innerBlocks,
innerHTML: innerHTML,
innerContent: innerContent
};
}
function Freeform(innerHTML) {
return Block(null, {}, [], innerHTML, [innerHTML]);
}
function Frame(block, tokenStart, tokenLength, prevOffset, leadingHtmlStart) {
return {
block: block,
tokenStart: tokenStart,
tokenLength: tokenLength,
prevOffset: prevOffset || tokenStart + tokenLength,
leadingHtmlStart: leadingHtmlStart
};
}
var parse = function parse(doc) {
document = doc;
offset = 0;
output = [];
stack = [];
tokenizer.lastIndex = 0;
do {// twiddle our thumbs
} while (proceed());
return output;
};
function proceed() {
var next = nextToken();
var _next = Object(_babel_runtime_helpers_esm_slicedToArray__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(next, 5),
tokenType = _next[0],
blockName = _next[1],
attrs = _next[2],
startOffset = _next[3],
tokenLength = _next[4];
var stackDepth = stack.length; // we may have some HTML soup before the next block
var leadingHtmlStart = startOffset > offset ? offset : null;
switch (tokenType) {
case 'no-more-tokens':
// if not in a block then flush output
if (0 === stackDepth) {
addFreeform();
return false;
} // Otherwise we have a problem
// This is an error
// we have options
// - treat it all as freeform text
// - assume an implicit closer (easiest when not nesting)
// for the easy case we'll assume an implicit closer
if (1 === stackDepth) {
addBlockFromStack();
return false;
} // for the nested case where it's more difficult we'll
// have to assume that multiple closers are missing
// and so we'll collapse the whole stack piecewise
while (0 < stack.length) {
addBlockFromStack();
}
return false;
case 'void-block':
// easy case is if we stumbled upon a void block
// in the top-level of the document
if (0 === stackDepth) {
if (null !== leadingHtmlStart) {
output.push(Freeform(document.substr(leadingHtmlStart, startOffset - leadingHtmlStart)));
}
output.push(Block(blockName, attrs, [], '', []));
offset = startOffset + tokenLength;
return true;
} // otherwise we found an inner block
addInnerBlock(Block(blockName, attrs, [], '', []), startOffset, tokenLength);
offset = startOffset + tokenLength;
return true;
case 'block-opener':
// track all newly-opened blocks on the stack
stack.push(Frame(Block(blockName, attrs, [], '', []), startOffset, tokenLength, startOffset + tokenLength, leadingHtmlStart));
offset = startOffset + tokenLength;
return true;
case 'block-closer':
// if we're missing an opener we're in trouble
// This is an error
if (0 === stackDepth) {
// we have options
// - assume an implicit opener
// - assume _this_ is the opener
// - give up and close out the document
addFreeform();
return false;
} // if we're not nesting then this is easy - close the block
if (1 === stackDepth) {
addBlockFromStack(startOffset);
offset = startOffset + tokenLength;
return true;
} // otherwise we're nested and we have to close out the current
// block and add it as a innerBlock to the parent
var stackTop = stack.pop();
var html = document.substr(stackTop.prevOffset, startOffset - stackTop.prevOffset);
stackTop.block.innerHTML += html;
stackTop.block.innerContent.push(html);
stackTop.prevOffset = startOffset + tokenLength;
addInnerBlock(stackTop.block, stackTop.tokenStart, stackTop.tokenLength, startOffset + tokenLength);
offset = startOffset + tokenLength;
return true;
default:
// This is an error
addFreeform();
return false;
}
}
/**
* Parse JSON if valid, otherwise return null
*
* Note that JSON coming from the block comment
* delimiters is constrained to be an object
* and cannot be things like `true` or `null`
*
* @param {string} input JSON input string to parse
* @return {Object|null} parsed JSON if valid
*/
function parseJSON(input) {
try {
return JSON.parse(input);
} catch (e) {
return null;
}
}
function nextToken() {
// aye the magic
// we're using a single RegExp to tokenize the block comment delimiters
// we're also using a trick here because the only difference between a
// block opener and a block closer is the leading `/` before `wp:` (and
// a closer has no attributes). we can trap them both and process the
// match back in Javascript to see which one it was.
var matches = tokenizer.exec(document); // we have no more tokens
if (null === matches) {
return ['no-more-tokens'];
}
var startedAt = matches.index;
var _matches = Object(_babel_runtime_helpers_esm_slicedToArray__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"])(matches, 7),
match = _matches[0],
closerMatch = _matches[1],
namespaceMatch = _matches[2],
nameMatch = _matches[3],
attrsMatch = _matches[4],
/* internal/unused */
voidMatch = _matches[6];
var length = match.length;
var isCloser = !!closerMatch;
var isVoid = !!voidMatch;
var namespace = namespaceMatch || 'core/';
var name = namespace + nameMatch;
var hasAttrs = !!attrsMatch;
var attrs = hasAttrs ? parseJSON(attrsMatch) : {}; // This state isn't allowed
// This is an error
if (isCloser && (isVoid || hasAttrs)) {// we can ignore them since they don't hurt anything
// we may warn against this at some point or reject it
}
if (isVoid) {
return ['void-block', name, attrs, startedAt, length];
}
if (isCloser) {
return ['block-closer', name, null, startedAt, length];
}
return ['block-opener', name, attrs, startedAt, length];
}
function addFreeform(rawLength) {
var length = rawLength ? rawLength : document.length - offset;
if (0 === length) {
return;
}
output.push(Freeform(document.substr(offset, length)));
}
function addInnerBlock(block, tokenStart, tokenLength, lastOffset) {
var parent = stack[stack.length - 1];
parent.block.innerBlocks.push(block);
var html = document.substr(parent.prevOffset, tokenStart - parent.prevOffset);
if (html) {
parent.block.innerHTML += html;
parent.block.innerContent.push(html);
}
parent.block.innerContent.push(null);
parent.prevOffset = lastOffset ? lastOffset : tokenStart + tokenLength;
}
function addBlockFromStack(endOffset) {
var _stack$pop = stack.pop(),
block = _stack$pop.block,
leadingHtmlStart = _stack$pop.leadingHtmlStart,
prevOffset = _stack$pop.prevOffset,
tokenStart = _stack$pop.tokenStart;
var html = endOffset ? document.substr(prevOffset, endOffset - prevOffset) : document.substr(prevOffset);
if (html) {
block.innerHTML += html;
block.innerContent.push(html);
}
if (null !== leadingHtmlStart) {
output.push(Freeform(document.substr(leadingHtmlStart, tokenStart - leadingHtmlStart)));
}
output.push(block);
}
/***/ }),
/***/ 25:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/arrayWithHoles.js
var arrayWithHoles = __webpack_require__(35);
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/iterableToArrayLimit.js
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"] != null) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
// EXTERNAL MODULE: ./node_modules/@babel/runtime/helpers/esm/nonIterableRest.js
var nonIterableRest = __webpack_require__(36);
// CONCATENATED MODULE: ./node_modules/@babel/runtime/helpers/esm/slicedToArray.js
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _slicedToArray; });
function _slicedToArray(arr, i) {
return Object(arrayWithHoles["a" /* default */])(arr) || _iterableToArrayLimit(arr, i) || Object(nonIterableRest["a" /* default */])();
}
/***/ }),
/***/ 35:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _arrayWithHoles; });
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
/***/ }),
/***/ 36:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return _nonIterableRest; });
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
/***/ })
/******/ });
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