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