import { PluggableList } from "unified"
|
import { QuartzTransformerPlugin } from "../types"
|
import { Root, HTML, BlockContent, DefinitionContent, Code } from 'mdast'
|
import { findAndReplace } from "mdast-util-find-and-replace"
|
import { slugify } from "../../path"
|
import { slug as slugAnchor } from 'github-slugger'
|
import rehypeRaw from "rehype-raw"
|
import { visit } from "unist-util-visit"
|
import path from "path"
|
import { JSResource } from "../../resources"
|
// @ts-ignore
|
import calloutScript from "../../components/scripts/callout.inline.ts"
|
|
export interface Options {
|
highlight: boolean
|
wikilinks: boolean
|
callouts: boolean
|
mermaid: boolean
|
}
|
|
const defaultOptions: Options = {
|
highlight: true,
|
wikilinks: true,
|
callouts: true,
|
mermaid: true,
|
}
|
|
const icons = {
|
infoIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="16" x2="12" y2="12"></line><line x1="12" y1="8" x2="12.01" y2="8"></line></svg>`,
|
pencilIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="2" x2="22" y2="6"></line><path d="M7.5 20.5 19 9l-4-4L3.5 16.5 2 22z"></path></svg>`,
|
clipboardListIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="8" y="2" width="8" height="4" rx="1" ry="1"></rect><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"></path><path d="M12 11h4"></path><path d="M12 16h4"></path><path d="M8 11h.01"></path><path d="M8 16h.01"></path></svg>`,
|
checkCircleIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22c5.523 0 10-4.477 10-10S17.523 2 12 2 2 6.477 2 12s4.477 10 10 10z"></path><path d="m9 12 2 2 4-4"></path></svg>`,
|
flameIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8.5 14.5A2.5 2.5 0 0 0 11 12c0-1.38-.5-2-1-3-1.072-2.143-.224-4.054 2-6 .5 2.5 2 4.9 4 6.5 2 1.6 3 3.5 3 5.5a7 7 0 1 1-14 0c0-1.153.433-2.294 1-3a2.5 2.5 0 0 0 2.5 2.5z"></path></svg>`,
|
checkIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>`,
|
helpCircleIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"></path><line x1="12" y1="17" x2="12.01" y2="17"></line></svg>`,
|
alertTriangleIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3Z"></path><line x1="12" y1="9" x2="12" y2="13"></line><line x1="12" y1="17" x2="12.01" y2="17"></line></svg>`,
|
xIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>`,
|
zapIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"></polygon></svg>`,
|
bugIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="8" height="14" x="8" y="6" rx="4"></rect><path d="m19 7-3 2"></path><path d="m5 7 3 2"></path><path d="m19 19-3-2"></path><path d="m5 19 3-2"></path><path d="M20 13h-4"></path><path d="M4 13h4"></path><path d="m10 4 1 2"></path><path d="m14 4-1 2"></path></svg>`,
|
listIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="8" y1="6" x2="21" y2="6"></line><line x1="8" y1="12" x2="21" y2="12"></line><line x1="8" y1="18" x2="21" y2="18"></line><line x1="3" y1="6" x2="3.01" y2="6"></line><line x1="3" y1="12" x2="3.01" y2="12"></line><line x1="3" y1="18" x2="3.01" y2="18"></line></svg>`,
|
quoteIcon: `<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 21c3 0 7-1 7-8V5c0-1.25-.756-2.017-2-2H4c-1.25 0-2 .75-2 1.972V11c0 1.25.75 2 2 2 1 0 1 0 1 1v1c0 1-1 2-2 2s-1 .008-1 1.031V20c0 1 0 1 1 1z"></path><path d="M15 21c3 0 7-1 7-8V5c0-1.25-.757-2.017-2-2h-4c-1.25 0-2 .75-2 1.972V11c0 1.25.75 2 2 2h.75c0 2.25.25 4-2.75 4v3c0 1 0 1 1 1z"></path></svg>`,
|
}
|
|
function canonicalizeCallout(calloutName: string): keyof typeof callouts {
|
let callout = calloutName.toLowerCase() as keyof typeof calloutMapping
|
|
const calloutMapping: Record<string, keyof typeof callouts> = {
|
note: "note",
|
abstract: "abstract",
|
info: "info",
|
todo: "todo",
|
tip: "tip",
|
hint: "tip",
|
important: "tip",
|
success: "success",
|
check: "success",
|
done: "success",
|
question: "question",
|
help: "question",
|
faq: "question",
|
warning: "warning",
|
attention: "warning",
|
caution: "warning",
|
failure: "failure",
|
missing: "failure",
|
fail: "failure",
|
danger: "danger",
|
error: "danger",
|
bug: "bug",
|
example: "example",
|
quote: "quote",
|
cite: "quote"
|
}
|
|
return calloutMapping[callout]
|
}
|
|
const callouts = {
|
note: icons.pencilIcon,
|
abstract: icons.clipboardListIcon,
|
info: icons.infoIcon,
|
todo: icons.checkCircleIcon,
|
tip: icons.flameIcon,
|
success: icons.checkIcon,
|
question: icons.helpCircleIcon,
|
warning: icons.alertTriangleIcon,
|
failure: icons.xIcon,
|
danger: icons.zapIcon,
|
bug: icons.bugIcon,
|
example: icons.listIcon,
|
quote: icons.quoteIcon,
|
}
|
|
const capitalize = (s: string): string => {
|
return s.substring(0, 1).toUpperCase() + s.substring(1);
|
}
|
|
// Match wikilinks
|
// !? -> optional embedding
|
// \[\[ -> open brace
|
// ([^\[\]\|\#]+) -> one or more non-special characters ([,],|, or #) (name)
|
// (#[^\[\]\|\#]+)? -> # then one or more non-special characters (heading link)
|
// (|[^\[\]\|\#]+)? -> | then one or more non-special characters (alias)
|
const backlinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
|
|
// Match highlights
|
const highlightRegex = new RegExp(/==(.+)==/, "g")
|
|
// from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
|
const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)
|
|
export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
|
const opts = { ...defaultOptions, ...userOpts }
|
return {
|
name: "ObsidianFlavoredMarkdown",
|
textTransform(src) {
|
// pre-transform wikilinks (fix anchors to things that may contain illegal syntax e.g. codeblocks, latex)
|
if (opts.wikilinks) {
|
src = src.toString()
|
return src.replaceAll(backlinkRegex, (value, ...capture) => {
|
const [fp, rawHeader, rawAlias] = capture
|
const anchor = rawHeader?.trim().slice(1)
|
const displayAnchor = anchor ? `#${slugAnchor(anchor)}` : ""
|
const displayAlias = rawAlias ?? ""
|
const embedDisplay = value.startsWith("!") ? "!" : ""
|
return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
|
})
|
}
|
return src
|
},
|
markdownPlugins() {
|
const plugins: PluggableList = []
|
if (opts.wikilinks) {
|
plugins.push(() => {
|
return (tree: Root, _file) => {
|
findAndReplace(tree, backlinkRegex, (value: string, ...capture: string[]) => {
|
const [fp, rawHeader, rawAlias] = capture
|
const anchor = rawHeader?.trim() ?? ""
|
const alias = rawAlias?.slice(1).trim()
|
|
// embed cases
|
if (value.startsWith("!")) {
|
const ext = path.extname(fp).toLowerCase()
|
const url = slugify(fp.trim()) + ext
|
if ([".png", ".jpg", ".jpeg", ".gif", ".bmp", ".svg"].includes(ext)) {
|
const dims = alias ?? ""
|
let [width, height] = dims.split("x", 2)
|
width ||= "auto"
|
height ||= "auto"
|
return {
|
type: 'image',
|
url,
|
data: {
|
hProperties: {
|
width, height
|
}
|
}
|
}
|
} else if ([".mp4", ".webm", ".ogv", ".mov", ".mkv"].includes(ext)) {
|
return {
|
type: 'html',
|
value: `<video src="${url}" controls></video>`
|
}
|
} else if ([".mp3", ".webm", ".wav", ".m4a", ".ogg", ".3gp", ".flac"].includes(ext)) {
|
return {
|
type: 'html',
|
value: `<audio src="${url}" controls></audio>`
|
}
|
} else if ([".pdf"].includes(ext)) {
|
return {
|
type: 'html',
|
value: `<iframe src="${url}"></iframe>`
|
}
|
}
|
// otherwise, fall through to regular link
|
}
|
|
// internal link
|
const url = slugify(fp.trim() + anchor)
|
return {
|
type: 'link',
|
url,
|
children: [{
|
type: 'text',
|
value: alias ?? fp
|
}]
|
}
|
})
|
}
|
}
|
)
|
}
|
|
if (opts.highlight) {
|
plugins.push(() => {
|
return (tree: Root, _file) => {
|
findAndReplace(tree, highlightRegex, (_value: string, ...capture: string[]) => {
|
const [inner] = capture
|
return {
|
type: 'html',
|
value: `<span class="text-highlight">${inner}</span>`
|
}
|
})
|
}
|
})
|
}
|
|
if (opts.callouts) {
|
plugins.push(() => {
|
return (tree: Root, _file) => {
|
visit(tree, "blockquote", (node) => {
|
if (node.children.length === 0) {
|
return
|
}
|
|
// find first line
|
const firstChild = node.children[0]
|
if (firstChild.type !== "paragraph" || firstChild.children[0]?.type !== "text") {
|
return
|
}
|
|
const text = firstChild.children[0].value
|
const restChildren = firstChild.children.splice(1)
|
const [firstLine, ...remainingLines] = text.split("\n")
|
const remainingText = remainingLines.join("\n")
|
|
const match = firstLine.match(calloutRegex)
|
if (match && match.input) {
|
const [calloutDirective, typeString, collapseChar] = match
|
const calloutType = typeString.toLowerCase() as keyof typeof callouts
|
const collapse = collapseChar === "+" || collapseChar === "-"
|
const defaultState = collapseChar === "-" ? "collapsed" : "expanded"
|
const title = match.input.slice(calloutDirective.length).trim() || capitalize(calloutType)
|
|
const toggleIcon = `<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="fold">
|
<polyline points="6 9 12 15 18 9"></polyline>
|
</svg>`
|
|
const titleNode: HTML = {
|
type: "html",
|
value: `<div
|
class="callout-title"
|
>
|
<div class="callout-icon">${callouts[canonicalizeCallout(calloutType)]}</div>
|
<div class="callout-title-inner">${title}</div>
|
${collapse ? toggleIcon : ""}
|
</div>`
|
}
|
|
const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleNode]
|
if (remainingText.length > 0) {
|
blockquoteContent.push({
|
type: 'paragraph',
|
children: [{
|
type: 'text',
|
value: remainingText,
|
}, ...restChildren]
|
})
|
}
|
|
// replace first line of blockquote with title and rest of the paragraph text
|
node.children.splice(0, 1, ...blockquoteContent)
|
|
// add properties to base blockquote
|
node.data = {
|
hProperties: {
|
...(node.data?.hProperties ?? {}),
|
className: `callout ${collapse ? "is-collapsible" : ""} ${defaultState === "collapsed" ? "is-collapsed" : ""}`,
|
"data-callout": calloutType,
|
"data-callout-fold": collapse,
|
}
|
}
|
}
|
})
|
}
|
})
|
}
|
|
if (opts.mermaid) {
|
plugins.push(() => {
|
return (tree: Root, _file) => {
|
visit(tree, 'code', (node: Code) => {
|
if (node.lang === 'mermaid') {
|
node.data = {
|
hProperties: {
|
className: 'mermaid'
|
}
|
}
|
}
|
})
|
}
|
})
|
}
|
|
return plugins
|
},
|
htmlPlugins() {
|
return [rehypeRaw]
|
},
|
externalResources() {
|
const js: JSResource[] = []
|
|
if (opts.callouts) {
|
js.push({
|
script: calloutScript,
|
loadTime: 'afterDOMReady',
|
contentType: 'inline'
|
})
|
}
|
|
if (opts.mermaid) {
|
js.push({
|
script: `
|
import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs';
|
mermaid.initialize({ startOnLoad: true });
|
`,
|
loadTime: 'afterDOMReady',
|
moduleType: 'module',
|
contentType: 'inline'
|
})
|
}
|
|
return { js }
|
}
|
}
|
}
|
