From 07ed6b25963f093a976df6971de4f59eb0d9cefe Mon Sep 17 00:00:00 2001 From: Ajay Ghanwat Date: Sat, 5 Sep 2026 17:54:05 +0530 Subject: [PATCH] Preserve image accessibility and dimensions in MJML --- packages/email-renderer/package.json | 2 +- packages/email-renderer/src/blocks.ts | 2 +- packages/email-renderer/src/mjml.ts | 4 +-- .../test/image-accessibility.test.ts | 28 +++++++++++++++++++ 4 files changed, 32 insertions(+), 4 deletions(-) create mode 100644 packages/email-renderer/test/image-accessibility.test.ts diff --git a/packages/email-renderer/package.json b/packages/email-renderer/package.json index e535af8f..bcf2e4b8 100644 --- a/packages/email-renderer/package.json +++ b/packages/email-renderer/package.json @@ -1,6 +1,6 @@ { "name": "@wrnexus/email-renderer", - "version": "0.1.33", + "version": "0.1.34", "type": "module", "description": "WRNexus block email renderers with HTML, text, AMP Email, and MJML interoperability.", "exports": { diff --git a/packages/email-renderer/src/blocks.ts b/packages/email-renderer/src/blocks.ts index 091dcd56..31926479 100644 --- a/packages/email-renderer/src/blocks.ts +++ b/packages/email-renderer/src/blocks.ts @@ -382,7 +382,7 @@ export const imageBlock = leaf( node, ), mjml: ({ node }) => - ``, + ``, }, ({ node }) => (attrs(node).decorative ? "" : `[${String(attrs(node).alt)}]\n\n`), ); diff --git a/packages/email-renderer/src/mjml.ts b/packages/email-renderer/src/mjml.ts index 1d693777..c86070cf 100644 --- a/packages/email-renderer/src/mjml.ts +++ b/packages/email-renderer/src/mjml.ts @@ -240,8 +240,8 @@ export function importMjml( type: "content.image", version: 1, props: { - src: a.src ?? "", - alt: a.alt ?? "", + src: decode(a.src ?? ""), + alt: decode(a.alt ?? ""), width: (a.width ?? "600").replace(/px$/, ""), height: (a.height ?? "300").replace(/px$/, ""), decorative: false, diff --git a/packages/email-renderer/test/image-accessibility.test.ts b/packages/email-renderer/test/image-accessibility.test.ts new file mode 100644 index 00000000..b7d71d30 --- /dev/null +++ b/packages/email-renderer/test/image-accessibility.test.ts @@ -0,0 +1,28 @@ +import { expect, test } from "bun:test"; +import type { BlockDocument, BlockNode } from "@wrnexus/blocks"; +import { renderEmail, importMjml } from "../src/index.ts"; + +const documentFor = (decorative: boolean): BlockDocument => ({ schemaVersion: 1, kind: "email", meta: { subject: "Images" }, theme: { tokens: {} }, root: { id: "root", type: "layout.email-document", version: 1, props: { width: "600" }, styles: {}, slots: { content: [{ id: "image", type: "content.image", version: 1, props: { src: "https://example.com/image.png", alt: "Accessible & descriptive", width: "320", height: "180", decorative }, styles: {}, slots: {} }] } } }); + +test("decorative image descriptions stay omitted across HTML text and MJML", async () => { + const rendered = await renderEmail(documentFor(true), { mjml: true }); + if (!rendered.ok) throw new Error("Render failed"); + expect(rendered.value.parts.html.content).toContain('alt=""'); + expect(rendered.value.parts.text.content).not.toContain("Accessible"); + expect(rendered.value.exports!.mjml).toContain('alt=""'); + expect(rendered.value.exports!.mjml).not.toContain("Accessible"); +}); + +test("meaningful image alt and explicit dimensions survive MJML round trip", async () => { + const rendered = await renderEmail(documentFor(false), { mjml: true }); + if (!rendered.ok) throw new Error("Render failed"); + expect(rendered.value.parts.text.content).toContain("Accessible & descriptive"); + expect(rendered.value.exports!.mjml).toContain('width="320px" height="180px"'); + let id = 0; + const imported = importMjml(rendered.value.exports!.mjml!, { id: () => `n${++id}` }); + if (!imported.ok) throw new Error("Import failed"); + const find = (node: BlockNode): BlockNode | undefined => node.type === "content.image" ? node : Object.values(node.slots).flat().map(find).find(Boolean); + expect(find(imported.value.root)!.props.width).toBe("320"); + expect(find(imported.value.root)!.props.height).toBe("180"); + expect(find(imported.value.root)!.props.alt).toBe("Accessible & descriptive"); +});