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a tool for shared writing and social publishing
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4.2 kB · 141 lines
TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142import { describe, expect, test } from "vitest";import { ghostPostToLeaflet, ghostPostToPage, previewImage,} from "./ghostPostToLeaflet";import type { GhostPost } from "./parseGhostExport";
const post = (over: Partial<GhostPost>): GhostPost => ({ id: "p1", slug: "hello", title: "Hello", type: "post", status: "published", visibility: "public", html: "<p>Hi</p>", plaintext: "Hi", featureImage: null, customExcerpt: null, publishedAt: "2026-01-02T00:00:00.000Z", createdAt: "2026-01-01T00:00:00.000Z", tags: [], ...over,});
const orderedBlockTypes = ( facts: Array<{ entity: string; attribute: string; data: unknown }>,) => facts .filter((f) => f.attribute === "card/block") .map((f) => f.data as { value: string; position: string }) .sort((a, b) => (a.position < b.position ? -1 : 1)) .map( (ref) => ( facts.find( (f) => f.entity === ref.value && f.attribute === "block/type", )?.data as { value: string } ).value, );
const blockTypes = async (p: GhostPost) => orderedBlockTypes( (await ghostPostToLeaflet(p, "https://s.com", previewImage)).facts, );
const value = ( facts: Array<{ entity: string; attribute: string; data: unknown }>, entity: string, attribute: string,) => ( facts.find((f) => f.entity === entity && f.attribute === attribute) ?.data as { value: unknown } | undefined )?.value;
describe("ghostPostToLeaflet", () => { test("gates the whole of a members-only post", async () => { expect(await blockTypes(post({ visibility: "paid" }))).toEqual([ "members-only-delimiter", "text", ]); });
test("keeps the public preview above a paywall card", async () => { expect( await blockTypes( post({ visibility: "paid", html: "<p>free</p><!--members-only--><p>paid</p>", }), ), ).toEqual(["text", "members-only-delimiter", "text"]); });
test("leaves public posts ungated", async () => { expect(await blockTypes(post({}))).toEqual(["text"]); });
test("uses a post's feature image as the cover", async () => { const leaflet = await ghostPostToLeaflet( post({ featureImage: "__GHOST_URL__/content/images/cover.png" }), "https://s.com", previewImage, ); expect(leaflet.coverImageUrl).toBe( "https://s.com/content/images/cover.png", ); const cover = value( leaflet.facts, leaflet.rootEntityId, "root/cover-image", ); expect(typeof cover).toBe("string"); expect(orderedBlockTypes(leaflet.facts)).toEqual(["text"]); expect(leaflet.facts.every((f) => f.attribute !== "page/route")).toBe(true); });});
describe("ghostPostToPage", () => { test("makes a Ghost page a nav page at its slug", async () => { const page = await ghostPostToPage( post({ type: "page", slug: "about", title: "About" }), "https://s.com", previewImage, ); expect(page.route).toBe("/about"); expect(value(page.facts, page.pageId, "page/type")).toBe("doc"); expect(value(page.facts, page.pageId, "page/route")).toBe("/about"); expect(value(page.facts, page.pageId, "page/title")).toBe("About"); expect(page.coverImage).toBeNull(); expect(page.entities).toContain(page.pageId); });
test("never gates a page", async () => { const page = await ghostPostToPage( post({ type: "page", visibility: "paid" }), "https://s.com", previewImage, ); expect(orderedBlockTypes(page.facts)).toEqual(["text"]); });
test("puts a page's feature image first as an image block", async () => { const page = await ghostPostToPage( post({ type: "page", featureImage: "__GHOST_URL__/content/images/hero.png", }), "https://s.com", previewImage, ); expect(orderedBlockTypes(page.facts)).toEqual(["image", "text"]); expect(page.coverImage).toBeNull(); expect(page.imageCount).toBe(1); const image = page.facts.find((f) => f.attribute === "block/image"); expect((image?.data as { src: string }).src).toBe( "https://s.com/content/images/hero.png", ); });});