Files
boris/node_modules/mdast-util-to-markdown/lib/handle/heading.js
Gigi 5d53a827e0 feat: initialize markr nostr bookmark client
- Add project structure with TypeScript, React, and Vite
- Implement nostr authentication using browser extension (NIP-07)
- Add NIP-51 compliant bookmark fetching and display
- Create minimal UI with login and bookmark components
- Integrate applesauce-core and applesauce-react libraries
- Add responsive styling with dark/light mode support
- Include comprehensive README with setup instructions

This is a minimal MVP for a nostr bookmark client that allows users to
view their bookmarks according to NIP-51 specification.
2025-10-02 07:17:07 +02:00

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/**
* @import {Info, State} from 'mdast-util-to-markdown'
* @import {Heading, Parents} from 'mdast'
*/
import {encodeCharacterReference} from '../util/encode-character-reference.js'
import {formatHeadingAsSetext} from '../util/format-heading-as-setext.js'
/**
* @param {Heading} node
* @param {Parents | undefined} _
* @param {State} state
* @param {Info} info
* @returns {string}
*/
export function heading(node, _, state, info) {
const rank = Math.max(Math.min(6, node.depth || 1), 1)
const tracker = state.createTracker(info)
if (formatHeadingAsSetext(node, state)) {
const exit = state.enter('headingSetext')
const subexit = state.enter('phrasing')
const value = state.containerPhrasing(node, {
...tracker.current(),
before: '\n',
after: '\n'
})
subexit()
exit()
return (
value +
'\n' +
(rank === 1 ? '=' : '-').repeat(
// The whole size…
value.length -
// Minus the position of the character after the last EOL (or
// 0 if there is none)…
(Math.max(value.lastIndexOf('\r'), value.lastIndexOf('\n')) + 1)
)
)
}
const sequence = '#'.repeat(rank)
const exit = state.enter('headingAtx')
const subexit = state.enter('phrasing')
// Note: for proper tracking, we should reset the output positions when there
// is no content returned, because then the space is not output.
// Practically, in that case, there is no content, so it doesnt matter that
// weve tracked one too many characters.
tracker.move(sequence + ' ')
let value = state.containerPhrasing(node, {
before: '# ',
after: '\n',
...tracker.current()
})
if (/^[\t ]/.test(value)) {
// To do: what effect has the character reference on tracking?
value = encodeCharacterReference(value.charCodeAt(0)) + value.slice(1)
}
value = value ? sequence + ' ' + value : sequence
if (state.options.closeAtx) {
value += ' ' + sequence
}
subexit()
exit()
return value
}