59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import remarkParse from 'remark-parse'
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import remarkRehype from 'remark-rehype'
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import { Processor, unified } from "unified"
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import { Root as MDRoot } from 'remark-parse/lib'
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import { Root as HTMLRoot } from 'hast'
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import { ProcessedContent } from '../plugins/vfile'
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import { PerfTimer } from '../perf'
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import { read } from 'to-vfile'
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import { slugify } from '../path'
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import path from 'path'
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import { QuartzTransformerPlugin } from '../plugins/types'
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export type QuartzProcessor = Processor<MDRoot, HTMLRoot, void>
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export function createProcessor(transformers: QuartzTransformerPlugin[]): any {
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// base Markdown -> MD AST
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let processor = unified().use(remarkParse)
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// MD AST -> MD AST transforms
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for (const plugin of transformers) {
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processor = processor.use(plugin.markdownPlugins())
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}
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// MD AST -> HTML AST
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processor = processor.use(remarkRehype, { allowDangerousHtml: true })
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// HTML AST -> HTML AST transforms
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for (const plugin of transformers) {
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processor = processor.use(plugin.htmlPlugins())
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}
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return processor
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}
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export async function parseMarkdown(processor: QuartzProcessor, baseDir: string, fps: string[], verbose: boolean): Promise<ProcessedContent[]> {
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const perf = new PerfTimer()
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const res: ProcessedContent[] = []
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for (const fp of fps) {
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const file = await read(fp)
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// base data properties that plugins may use
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file.data.slug = slugify(path.relative(baseDir, file.path))
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file.data.filePath = fp
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const ast = processor.parse(file)
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res.push([await processor.run(ast, file), file])
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if (verbose) {
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console.log(`[process] ${fp} -> ${file.data.slug}`)
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}
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}
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if (verbose) {
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console.log(`Parsed and transformed ${res.length} Markdown files in ${perf.timeSince()}`)
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}
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return res
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}
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