42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
/**
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* @typedef {import('hast').Element} Element
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* @typedef {import('hast').ElementContent} ElementContent
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* @typedef {import('hast').Properties} Properties
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* @typedef {import('mdast').ImageReference} ImageReference
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* @typedef {import('../state.js').State} State
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*/
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import {normalizeUri} from 'micromark-util-sanitize-uri'
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import {revert} from '../revert.js'
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/**
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* Turn an mdast `imageReference` node into hast.
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*
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* @param {State} state
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* Info passed around.
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* @param {ImageReference} node
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* mdast node.
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* @returns {Array<ElementContent> | ElementContent}
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* hast node.
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*/
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export function imageReference(state, node) {
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const id = String(node.identifier).toUpperCase()
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const def = state.definitionById.get(id)
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if (!def) {
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return revert(state, node)
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}
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/** @type {Properties} */
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const properties = {src: normalizeUri(def.url || ''), alt: node.alt}
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if (def.title !== null && def.title !== undefined) {
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properties.title = def.title
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}
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/** @type {Element} */
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const result = {type: 'element', tagName: 'img', properties, children: []}
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state.patch(node, result)
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return state.applyData(node, result)
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}
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