mirror of
https://github.com/Funkoala14/knowledgebase_law.git
synced 2025-06-08 23:18:17 +08:00
126 lines
3.6 KiB
JavaScript
126 lines
3.6 KiB
JavaScript
/**
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* @import {Handle, Info, State} from 'mdast-util-to-markdown'
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* @import {PhrasingParents} from '../types.js'
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*/
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import {encodeCharacterReference} from './encode-character-reference.js'
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/**
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* Serialize the children of a parent that contains phrasing children.
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*
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* These children will be joined flush together.
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*
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* @param {PhrasingParents} parent
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* Parent of flow nodes.
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* @param {State} state
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* Info passed around about the current state.
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* @param {Info} info
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* Info on where we are in the document we are generating.
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* @returns {string}
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* Serialized children, joined together.
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*/
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export function containerPhrasing(parent, state, info) {
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const indexStack = state.indexStack
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const children = parent.children || []
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/** @type {Array<string>} */
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const results = []
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let index = -1
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let before = info.before
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/** @type {string | undefined} */
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let encodeAfter
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indexStack.push(-1)
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let tracker = state.createTracker(info)
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while (++index < children.length) {
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const child = children[index]
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/** @type {string} */
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let after
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indexStack[indexStack.length - 1] = index
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if (index + 1 < children.length) {
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/** @type {Handle} */
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// @ts-expect-error: hush, it’s actually a `zwitch`.
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let handle = state.handle.handlers[children[index + 1].type]
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/** @type {Handle} */
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// @ts-expect-error: hush, it’s actually a `zwitch`.
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if (handle && handle.peek) handle = handle.peek
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after = handle
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? handle(children[index + 1], parent, state, {
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before: '',
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after: '',
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...tracker.current()
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}).charAt(0)
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: ''
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} else {
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after = info.after
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}
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// In some cases, html (text) can be found in phrasing right after an eol.
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// When we’d serialize that, in most cases that would be seen as html
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// (flow).
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// As we can’t escape or so to prevent it from happening, we take a somewhat
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// reasonable approach: replace that eol with a space.
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// See: <https://github.com/syntax-tree/mdast-util-to-markdown/issues/15>
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if (
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results.length > 0 &&
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(before === '\r' || before === '\n') &&
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child.type === 'html'
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) {
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results[results.length - 1] = results[results.length - 1].replace(
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/(\r?\n|\r)$/,
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' '
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)
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before = ' '
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// To do: does this work to reset tracker?
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tracker = state.createTracker(info)
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tracker.move(results.join(''))
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}
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let value = state.handle(child, parent, state, {
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...tracker.current(),
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after,
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before
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})
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// If we had to encode the first character after the previous node and it’s
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// still the same character,
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// encode it.
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if (encodeAfter && encodeAfter === value.slice(0, 1)) {
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value =
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encodeCharacterReference(encodeAfter.charCodeAt(0)) + value.slice(1)
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}
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const encodingInfo = state.attentionEncodeSurroundingInfo
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state.attentionEncodeSurroundingInfo = undefined
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encodeAfter = undefined
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// If we have to encode the first character before the current node and
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// it’s still the same character,
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// encode it.
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if (encodingInfo) {
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if (
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results.length > 0 &&
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encodingInfo.before &&
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before === results[results.length - 1].slice(-1)
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) {
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results[results.length - 1] =
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results[results.length - 1].slice(0, -1) +
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encodeCharacterReference(before.charCodeAt(0))
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}
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if (encodingInfo.after) encodeAfter = after
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}
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tracker.move(value)
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results.push(value)
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before = value.slice(-1)
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}
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indexStack.pop()
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return results.join('')
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}
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