108 lines
3.1 KiB
JavaScript
108 lines
3.1 KiB
JavaScript
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/**
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* @typedef {import('./types.js').Node} Node
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* @typedef {import('./types.js').Parent} Parent
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* @typedef {import('./types.js').Content} Content
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* @typedef {import('./types.js').Options} Options
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* @typedef {import('./types.js').State} State
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*/
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import {html, svg} from 'property-information'
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import {htmlVoidElements} from 'html-void-elements'
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import {handle} from './handle/index.js'
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/**
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* Serialize hast as HTML.
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*
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* @param {Node | Array<Content>} tree
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* Tree to serialize.
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* @param {Options | null | undefined} [options]
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* Configuration.
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* @returns {string}
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* Serialized HTML.
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*/
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// eslint-disable-next-line complexity
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export function toHtml(tree, options) {
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const options_ = options || {}
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const quote = options_.quote || '"'
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const alternative = quote === '"' ? "'" : '"'
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if (quote !== '"' && quote !== "'") {
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throw new Error('Invalid quote `' + quote + '`, expected `\'` or `"`')
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}
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/** @type {State} */
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const state = {
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one,
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all,
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settings: {
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omitOptionalTags: options_.omitOptionalTags || false,
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allowParseErrors: options_.allowParseErrors || false,
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allowDangerousCharacters: options_.allowDangerousCharacters || false,
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quoteSmart: options_.quoteSmart || false,
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preferUnquoted: options_.preferUnquoted || false,
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tightAttributes: options_.tightAttributes || false,
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upperDoctype: options_.upperDoctype || false,
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tightDoctype: options_.tightDoctype || false,
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bogusComments: options_.bogusComments || false,
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tightCommaSeparatedLists: options_.tightCommaSeparatedLists || false,
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tightSelfClosing: options_.tightSelfClosing || false,
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collapseEmptyAttributes: options_.collapseEmptyAttributes || false,
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allowDangerousHtml: options_.allowDangerousHtml || false,
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voids: options_.voids || htmlVoidElements,
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characterReferences:
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options_.characterReferences || options_.entities || {},
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closeSelfClosing: options_.closeSelfClosing || false,
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closeEmptyElements: options_.closeEmptyElements || false
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},
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schema: options_.space === 'svg' ? svg : html,
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quote,
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alternative
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}
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return state.one(
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Array.isArray(tree) ? {type: 'root', children: tree} : tree,
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undefined,
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undefined
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)
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}
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/**
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* Serialize a node.
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*
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* @this {State}
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* Info passed around about the current state.
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* @param {Node} node
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* Node to handle.
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* @param {number | undefined} index
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* Index of `node` in `parent.
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* @param {Parent | undefined} parent
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* Parent of `node`.
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* @returns {string}
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* Serialized node.
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*/
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function one(node, index, parent) {
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return handle(node, index, parent, this)
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}
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/**
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* Serialize all children of `parent`.
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*
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* @this {State}
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* Info passed around about the current state.
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* @param {Parent | undefined} parent
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* Parent whose children to serialize.
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* @returns {string}
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*/
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export function all(parent) {
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/** @type {Array<string>} */
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const results = []
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const children = (parent && parent.children) || []
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let index = -1
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while (++index < children.length) {
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results[index] = this.one(children[index], index, parent)
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}
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return results.join('')
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}
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