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import { isDocument } from 'domhandler'; | |
import { parse as parseDocument, parseFragment, serializeOuter } from 'parse5'; | |
import { adapter as htmlparser2Adapter } from 'parse5-htmlparser2-tree-adapter'; | |
/** | |
* Parse the content with `parse5` in the context of the given `ParentNode`. | |
* | |
* @param content - The content to parse. | |
* @param options - A set of options to use to parse. | |
* @param isDocument - Whether to parse the content as a full HTML document. | |
* @param context - The context in which to parse the content. | |
* @returns The parsed content. | |
*/ | |
export function parseWithParse5(content, options, isDocument, context) { | |
const opts = { | |
scriptingEnabled: typeof options.scriptingEnabled === 'boolean' | |
? options.scriptingEnabled | |
: true, | |
treeAdapter: htmlparser2Adapter, | |
sourceCodeLocationInfo: options.sourceCodeLocationInfo, | |
}; | |
return isDocument | |
? parseDocument(content, opts) | |
: parseFragment(context, content, opts); | |
} | |
const renderOpts = { treeAdapter: htmlparser2Adapter }; | |
/** | |
* Renders the given DOM tree with `parse5` and returns the result as a string. | |
* | |
* @param dom - The DOM tree to render. | |
* @returns The rendered document. | |
*/ | |
export function renderWithParse5(dom) { | |
/* | |
* `dom-serializer` passes over the special "root" node and renders the | |
* node's children in its place. To mimic this behavior with `parse5`, an | |
* equivalent operation must be applied to the input array. | |
*/ | |
const nodes = 'length' in dom ? dom : [dom]; | |
for (let index = 0; index < nodes.length; index += 1) { | |
const node = nodes[index]; | |
if (isDocument(node)) { | |
Array.prototype.splice.call(nodes, index, 1, ...node.children); | |
} | |
} | |
let result = ''; | |
for (let index = 0; index < nodes.length; index += 1) { | |
const node = nodes[index]; | |
result += serializeOuter(node, renderOpts); | |
} | |
return result; | |
} | |
//# sourceMappingURL=parse5-adapter.js.map |