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use regex

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sss 2025-02-21 00:56:34 +01:00
parent 781352f01a
commit bd83712be5
1 changed files with 13 additions and 53 deletions
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64
quartz/plugins/transformers/ofm.ts
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@ -7,7 +7,6 @@ import {
DefinitionContent,
Paragraph,
Code,
FootnoteDefinition,
} from "mdast"
import { Element, Literal, Root as HtmlRoot } from "hast"
import { ReplaceFunction, findAndReplace as mdastFindReplace } from "mdast-util-find-and-replace"
@ -146,21 +145,7 @@ const wikilinkImageEmbedRegex = new RegExp(
/^(?<alt>(?!^\d*x?\d*$).*?)?(\|?\s*?(?<width>\d+)(x(?<height>\d+))?)?$/,
)
const inlineFootnoteRegex = /\^\[([\s\S]*?)\]/g
// Helper function to match balanced brackets
function matchBalancedBrackets(text: string, startIndex: number): number {
let depth = 1;
let i = startIndex;
while (i < text.length && depth > 0) {
if (text[i] === '[') depth++;
if (text[i] === ']') depth--;
i++;
}
return depth === 0 ? i - 1 : -1;
}
const inlineFootnoteRegex = /\^\[((?:[^\[\]]|\[(?:[^\[\]]|\[[^\[\]]*\])*\])*)\]/g
export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
const opts = { ...defaultOptions, ...userOpts }
@ -233,46 +218,21 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>>
}
if (opts.inlineFootnotes) {
let footnoteCounter = 1
// Replaces ^[inline] footnotes with regular footnotes [^1]:
const footnotes: Record<string, string> = {}
let result = ""
let currentIndex = 0
while (true) {
// Find next inline footnote start
const startMatch = src.indexOf("^[", currentIndex)
if (startMatch === -1) break
// Replace inline footnotes with references and collect definitions
const result = src.replace(inlineFootnoteRegex, (_match, content) => {
const id = `inline-${Math.random().toString(36).substring(2, 8)}`
footnotes[id] = content.trim()
return `[^${id}]`
})
// Add text before the footnote
result += src.slice(currentIndex, startMatch)
// Find the matching closing bracket
const contentStart = startMatch + 2
const contentEnd = matchBalancedBrackets(src, contentStart)
if (contentEnd === -1) {
// No matching bracket found, treat as normal text
result += src.slice(startMatch, contentStart)
currentIndex = contentStart
} else {
// Extract footnote content
const content = src.slice(contentStart, contentEnd)
const id = `inline${Math.random().toString(36).substring(2, 8)}`
footnotes[id] = content.trim()
result += `[^${id}]`
currentIndex = contentEnd + 1
}
}
// Add remaining text
result += src.slice(currentIndex)
// Append footnote definitions
// Append footnote definitions if we found any
if (Object.keys(footnotes).length > 0) {
result += "\n\n"
Object.entries(footnotes).forEach(([id, content]) => {
result += `[^${id}]: ${content}\n`
})
return result + "\n\n" + Object.entries(footnotes)
.map(([id, content]) => `[^${id}]: ${content}`)
.join("\n") + "\n"
}
return result