| | |
| | | import esbuild from 'esbuild' |
| | | import remarkParse from 'remark-parse' |
| | | import remarkRehype from 'remark-rehype' |
| | | import { Processor, unified } from "unified" |
| | |
| | | import { read } from 'to-vfile' |
| | | import { slugify } from '../path' |
| | | import path from 'path' |
| | | import { QuartzTransformerPlugin } from '../plugins/types' |
| | | import os from 'os' |
| | | import workerpool, { Promise as WorkerPromise } from 'workerpool' |
| | | import { QuartzTransformerPluginInstance } from '../plugins/types' |
| | | import { QuartzLogger } from '../log' |
| | | import chalk from 'chalk' |
| | | |
| | | export type QuartzProcessor = Processor<MDRoot, HTMLRoot, void> |
| | | export function createProcessor(transformers: QuartzTransformerPlugin[]): any { |
| | | export function createProcessor(transformers: QuartzTransformerPluginInstance[]): QuartzProcessor { |
| | | // base Markdown -> MD AST |
| | | let processor = unified().use(remarkParse) |
| | | |
| | | // MD AST -> MD AST transforms |
| | | for (const plugin of transformers) { |
| | | processor = processor.use(plugin.markdownPlugins()) |
| | | for (const plugin of transformers.filter(p => p.markdownPlugins)) { |
| | | processor = processor.use(plugin.markdownPlugins!()) |
| | | } |
| | | |
| | | // MD AST -> HTML AST |
| | |
| | | |
| | | |
| | | // HTML AST -> HTML AST transforms |
| | | for (const plugin of transformers) { |
| | | processor = processor.use(plugin.htmlPlugins()) |
| | | for (const plugin of transformers.filter(p => p.htmlPlugins)) { |
| | | processor = processor.use(plugin.htmlPlugins!()) |
| | | } |
| | | |
| | | return processor |
| | | } |
| | | |
| | | export async function parseMarkdown(processor: QuartzProcessor, baseDir: string, fps: string[], verbose: boolean): Promise<ProcessedContent[]> { |
| | | const perf = new PerfTimer() |
| | | const res: ProcessedContent[] = [] |
| | | for (const fp of fps) { |
| | | const file = await read(fp) |
| | | function* chunks<T>(arr: T[], n: number) { |
| | | for (let i = 0; i < arr.length; i += n) { |
| | | yield arr.slice(i, i + n) |
| | | } |
| | | } |
| | | |
| | | // base data properties that plugins may use |
| | | file.data.slug = slugify(path.relative(baseDir, file.path)) |
| | | file.data.filePath = fp |
| | | async function transpileWorkerScript() { |
| | | // transpile worker script |
| | | const cacheFile = "./.quartz-cache/transpiled-worker.mjs" |
| | | const fp = "./quartz/worker.ts" |
| | | return esbuild.build({ |
| | | entryPoints: [fp], |
| | | outfile: path.join("quartz", cacheFile), |
| | | bundle: true, |
| | | keepNames: true, |
| | | platform: "node", |
| | | format: "esm", |
| | | packages: "external", |
| | | plugins: [ |
| | | { |
| | | name: 'css-and-scripts-as-text', |
| | | setup(build) { |
| | | build.onLoad({ filter: /\.scss$/ }, (_) => ({ |
| | | contents: '', |
| | | loader: 'text' |
| | | })) |
| | | build.onLoad({ filter: /\.inline\.(ts|js)$/ }, (_) => ({ |
| | | contents: '', |
| | | loader: 'text' |
| | | })) |
| | | } |
| | | } |
| | | ] |
| | | }) |
| | | } |
| | | |
| | | const ast = processor.parse(file) |
| | | res.push([await processor.run(ast, file), file]) |
| | | export function createFileParser(transformers: QuartzTransformerPluginInstance[], baseDir: string, fps: string[], allSlugs: string[], verbose: boolean) { |
| | | return async (processor: QuartzProcessor) => { |
| | | const res: ProcessedContent[] = [] |
| | | for (const fp of fps) { |
| | | try { |
| | | const file = await read(fp) |
| | | |
| | | if (verbose) { |
| | | console.log(`[process] ${fp} -> ${file.data.slug}`) |
| | | // strip leading and trailing whitespace |
| | | file.value = file.value.toString().trim() |
| | | |
| | | // Text -> Text transforms |
| | | for (const plugin of transformers.filter(p => p.textTransform)) { |
| | | file.value = plugin.textTransform!(file.value) |
| | | } |
| | | |
| | | // base data properties that plugins may use |
| | | file.data.slug = slugify(path.relative(baseDir, file.path)) |
| | | file.data.allSlugs = allSlugs |
| | | file.data.filePath = fp |
| | | |
| | | const ast = processor.parse(file) |
| | | const newAst = await processor.run(ast, file) |
| | | res.push([newAst, file]) |
| | | |
| | | if (verbose) { |
| | | console.log(`[process] ${fp} -> ${file.data.slug}`) |
| | | } |
| | | } catch (err) { |
| | | console.log(chalk.red(`\nFailed to process \`${fp}\`: `) + err) |
| | | process.exit(1) |
| | | } |
| | | } |
| | | |
| | | return res |
| | | } |
| | | } |
| | | |
| | | export async function parseMarkdown(transformers: QuartzTransformerPluginInstance[], baseDir: string, fps: string[], verbose: boolean): Promise<ProcessedContent[]> { |
| | | const perf = new PerfTimer() |
| | | const log = new QuartzLogger(verbose) |
| | | |
| | | const CHUNK_SIZE = 128 |
| | | let concurrency = fps.length < CHUNK_SIZE ? 1 : os.availableParallelism() |
| | | |
| | | // get all slugs ahead of time as each thread needs a copy |
| | | // const slugs: string[] = fps.map(fp => slugify(path)) |
| | | const allSlugs = fps.map(fp => slugify(path.relative(baseDir, path.resolve(fp)))) |
| | | |
| | | let res: ProcessedContent[] = [] |
| | | log.start(`Parsing input files using ${concurrency} threads`) |
| | | if (concurrency === 1) { |
| | | const processor = createProcessor(transformers) |
| | | const parse = createFileParser(transformers, baseDir, fps, allSlugs, verbose) |
| | | res = await parse(processor) |
| | | } else { |
| | | await transpileWorkerScript() |
| | | const pool = workerpool.pool( |
| | | './quartz/bootstrap-worker.mjs', |
| | | { |
| | | minWorkers: 'max', |
| | | maxWorkers: concurrency, |
| | | workerType: 'thread' |
| | | } |
| | | ) |
| | | |
| | | const childPromises: WorkerPromise<ProcessedContent[]>[] = [] |
| | | for (const chunk of chunks(fps, CHUNK_SIZE)) { |
| | | childPromises.push(pool.exec('parseFiles', [baseDir, chunk, allSlugs, verbose])) |
| | | } |
| | | |
| | | const results: ProcessedContent[][] = await WorkerPromise.all(childPromises) |
| | | res = results.flat() |
| | | await pool.terminate() |
| | | } |
| | | |
| | | if (verbose) { |
| | | console.log(`Parsed and transformed ${res.length} Markdown files in ${perf.timeSince()}`) |
| | | } |
| | | |
| | | log.success(`Parsed ${res.length} Markdown files in ${perf.timeSince()}`) |
| | | return res |
| | | } |