import { FilePath, FullSlug, resolveRelative, simplifySlug } from "../../util/path"
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import { QuartzEmitterPlugin } from "../types"
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import path from "path"
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export const AliasRedirects: QuartzEmitterPlugin = () => ({
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name: "AliasRedirects",
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getQuartzComponents() {
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return []
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},
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async emit({ argv }, content, _resources, emit): Promise<FilePath[]> {
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const fps: FilePath[] = []
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for (const [_tree, file] of content) {
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const ogSlug = simplifySlug(file.data.slug!)
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const dir = path.posix.relative(argv.directory, file.dirname ?? argv.directory)
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let aliases: FullSlug[] = []
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if (file.data.frontmatter?.aliases) {
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aliases = file.data.frontmatter?.aliases
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} else if (file.data.frontmatter?.alias) {
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aliases = [file.data.frontmatter?.alias]
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}
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for (const alias of aliases) {
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const slug = path.posix.join(dir, alias) as FullSlug
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const redirUrl = resolveRelative(slug, file.data.slug!)
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const fp = await emit({
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content: `
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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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<title>${ogSlug}</title>
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<link rel="canonical" href="${redirUrl}">
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<meta name="robots" content="noindex">
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<meta charset="utf-8">
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<meta http-equiv="refresh" content="0; url=${redirUrl}">
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</head>
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</html>
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`,
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slug,
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ext: ".html",
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})
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fps.push(fp)
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}
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}
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return fps
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},
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})
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