wiki/quartz/plugins/emitters/aliases.ts

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