70 lines
1.6 KiB
Plaintext
70 lines
1.6 KiB
Plaintext
/**
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* @import {Info, State} from 'mdast-util-to-markdown'
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* @import {Parents, Strong} from 'mdast'
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*/
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import {checkStrong} from '../util/check-strong.js'
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import {encodeCharacterReference} from '../util/encode-character-reference.js'
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import {encodeInfo} from '../util/encode-info.js'
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strong.peek = strongPeek
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/**
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* @param {Strong} node
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* @param {Parents | undefined} _
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* @param {State} state
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* @param {Info} info
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* @returns {string}
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*/
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export function strong(node, _, state, info) {
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const marker = checkStrong(state)
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const exit = state.enter('strong')
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const tracker = state.createTracker(info)
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const before = tracker.move(marker + marker)
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let between = tracker.move(
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state.containerPhrasing(node, {
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after: marker,
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before,
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...tracker.current()
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})
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)
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const betweenHead = between.charCodeAt(0)
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const open = encodeInfo(
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info.before.charCodeAt(info.before.length - 1),
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betweenHead,
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marker
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)
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if (open.inside) {
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between = encodeCharacterReference(betweenHead) + between.slice(1)
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}
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const betweenTail = between.charCodeAt(between.length - 1)
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const close = encodeInfo(info.after.charCodeAt(0), betweenTail, marker)
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if (close.inside) {
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between = between.slice(0, -1) + encodeCharacterReference(betweenTail)
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}
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const after = tracker.move(marker + marker)
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exit()
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state.attentionEncodeSurroundingInfo = {
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after: close.outside,
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before: open.outside
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}
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return before + between + after
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}
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/**
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* @param {Strong} _
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* @param {Parents | undefined} _1
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* @param {State} state
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* @returns {string}
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*/
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function strongPeek(_, _1, state) {
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return state.options.strong || '*'
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}
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