| | |
| | | import yaml from "js-yaml" |
| | | import toml from "toml" |
| | | import { slugTag } from "../../util/path" |
| | | import { QuartzPluginData } from "../vfile" |
| | | import { i18n } from "../../i18n" |
| | | |
| | | export interface Options { |
| | | delims: string | string[] |
| | | delimiters: string | [string, string] |
| | | language: "yaml" | "toml" |
| | | oneLineTagDelim: string |
| | | } |
| | | |
| | | const defaultOptions: Options = { |
| | | delims: "---", |
| | | delimiters: "---", |
| | | language: "yaml", |
| | | oneLineTagDelim: ",", |
| | | } |
| | | |
| | | export const FrontMatter: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => { |
| | | function coalesceAliases(data: { [key: string]: any }, aliases: string[]) { |
| | | for (const alias of aliases) { |
| | | if (data[alias] !== undefined && data[alias] !== null) return data[alias] |
| | | } |
| | | } |
| | | |
| | | function coerceToArray(input: string | string[]): string[] | undefined { |
| | | if (input === undefined || input === null) return undefined |
| | | |
| | | // coerce to array |
| | | if (!Array.isArray(input)) { |
| | | input = input |
| | | .toString() |
| | | .split(",") |
| | | .map((tag: string) => tag.trim()) |
| | | } |
| | | |
| | | // remove all non-strings |
| | | return input |
| | | .filter((tag: unknown) => typeof tag === "string" || typeof tag === "number") |
| | | .map((tag: string | number) => tag.toString()) |
| | | } |
| | | |
| | | export const FrontMatter: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => { |
| | | const opts = { ...defaultOptions, ...userOpts } |
| | | return { |
| | | name: "FrontMatter", |
| | | markdownPlugins() { |
| | | const { oneLineTagDelim } = opts |
| | | |
| | | markdownPlugins({ cfg }) { |
| | | return [ |
| | | [remarkFrontmatter, ["yaml", "toml"]], |
| | | () => { |
| | | return (_, file) => { |
| | | const { data } = matter(file.value, { |
| | | const { data } = matter(Buffer.from(file.value), { |
| | | ...opts, |
| | | engines: { |
| | | yaml: (s) => yaml.load(s, { schema: yaml.JSON_SCHEMA }) as object, |
| | |
| | | }, |
| | | }) |
| | | |
| | | // tag is an alias for tags |
| | | if (data.tag) { |
| | | data.tags = data.tag |
| | | } |
| | | |
| | | // coerce title to string |
| | | if (data.title) { |
| | | if (data.title != null && data.title.toString() !== "") { |
| | | data.title = data.title.toString() |
| | | } else { |
| | | data.title = file.stem ?? i18n(cfg.configuration.locale).propertyDefaults.title |
| | | } |
| | | |
| | | if (data.tags && !Array.isArray(data.tags)) { |
| | | data.tags = data.tags |
| | | .toString() |
| | | .split(oneLineTagDelim) |
| | | .map((tag: string) => tag.trim()) |
| | | } |
| | | const tags = coerceToArray(coalesceAliases(data, ["tags", "tag"])) |
| | | if (tags) data.tags = [...new Set(tags.map((tag: string) => slugTag(tag)))] |
| | | |
| | | // slug them all!! |
| | | data.tags = [...new Set(data.tags?.map((tag: string) => slugTag(tag)))] ?? [] |
| | | const aliases = coerceToArray(coalesceAliases(data, ["aliases", "alias"])) |
| | | if (aliases) data.aliases = aliases |
| | | const cssclasses = coerceToArray(coalesceAliases(data, ["cssclasses", "cssclass"])) |
| | | if (cssclasses) data.cssclasses = cssclasses |
| | | |
| | | // fill in frontmatter |
| | | file.data.frontmatter = { |
| | | title: file.stem ?? "Untitled", |
| | | tags: [], |
| | | ...data, |
| | | } |
| | | file.data.frontmatter = data as QuartzPluginData["frontmatter"] |
| | | } |
| | | }, |
| | | ] |
| | |
| | | |
| | | declare module "vfile" { |
| | | interface DataMap { |
| | | frontmatter: { [key: string]: any } & { |
| | | frontmatter: { [key: string]: unknown } & { |
| | | title: string |
| | | tags: string[] |
| | | } |
| | | } & Partial<{ |
| | | tags: string[] |
| | | aliases: string[] |
| | | description: string |
| | | publish: boolean | string |
| | | draft: boolean | string |
| | | lang: string |
| | | enableToc: string |
| | | cssclasses: string[] |
| | | comments: boolean | string |
| | | }> |
| | | } |
| | | } |