| | |
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| | | import { FilePath, joinSegments, resolveRelative, simplifySlug } from "../../util/path" |
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| | | import { FullSlug, isRelativeURL, resolveRelative, simplifySlug } from "../../util/path" |
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| | | import { QuartzEmitterPlugin } from "../types" |
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| | | import { write } from "./helpers" |
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| | | import DepGraph from "../../depgraph" |
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| | | import { getAliasSlugs } from "../transformers/frontmatter" |
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| | | import { BuildCtx } from "../../util/ctx" |
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| | | import { VFile } from "vfile" |
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| | | import path from "path" |
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| | | |
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| | | async function* processFile(ctx: BuildCtx, file: VFile) { |
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| | | const ogSlug = simplifySlug(file.data.slug!) |
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| | | |
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| | | for (const aliasTarget of file.data.aliases ?? []) { |
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| | | const aliasTargetSlug = ( |
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| | | isRelativeURL(aliasTarget) |
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| | | ? path.normalize(path.join(ogSlug, "..", aliasTarget)) |
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| | | : aliasTarget |
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| | | ) as FullSlug |
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| | | |
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| | | const redirUrl = resolveRelative(aliasTargetSlug, ogSlug) |
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| | | yield write({ |
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| | | ctx, |
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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: aliasTargetSlug, |
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| | | ext: ".html", |
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| | | }) |
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| | | } |
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| | | } |
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| | | |
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| | | export const AliasRedirects: QuartzEmitterPlugin = () => ({ |
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| | | name: "AliasRedirects", |
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| | | async getDependencyGraph(ctx, content, _resources) { |
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| | | const graph = new DepGraph<FilePath>() |
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| | | |
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| | | const { argv } = ctx |
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| | | async *emit(ctx, content) { |
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| | | for (const [_tree, file] of content) { |
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| | | for (const slug of getAliasSlugs(file.data.frontmatter?.aliases ?? [], argv, file)) { |
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| | | graph.addEdge(file.data.filePath!, joinSegments(argv.output, slug + ".html") as FilePath) |
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| | | } |
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| | | yield* processFile(ctx, file) |
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| | | } |
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| | | |
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| | | return graph |
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| | | }, |
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| | | async *emit(ctx, content, _resources) { |
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| | | for (const [_tree, file] of content) { |
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| | | const ogSlug = simplifySlug(file.data.slug!) |
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| | | |
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| | | for (const slug of file.data.aliases ?? []) { |
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| | | const redirUrl = resolveRelative(slug, file.data.slug!) |
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| | | yield write({ |
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| | | ctx, |
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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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| | | async *partialEmit(ctx, _content, _resources, changeEvents) { |
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| | | for (const changeEvent of changeEvents) { |
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| | | if (!changeEvent.file) continue |
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| | | if (changeEvent.type === "add" || changeEvent.type === "change") { |
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| | | // add new ones if this file still exists |
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| | | yield* processFile(ctx, changeEvent.file) |
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| | | } |
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| | | } |
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| | | }, |
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