diff options
Diffstat (limited to 'packages/integrations/mdx/src')
-rw-r--r-- | packages/integrations/mdx/src/index.ts | 10 | ||||
-rw-r--r-- | packages/integrations/mdx/src/remark-images-to-component.ts | 12 |
2 files changed, 18 insertions, 4 deletions
diff --git a/packages/integrations/mdx/src/index.ts b/packages/integrations/mdx/src/index.ts index c27abb4d1..98390b1be 100644 --- a/packages/integrations/mdx/src/index.ts +++ b/packages/integrations/mdx/src/index.ts @@ -14,6 +14,7 @@ import type { Plugin as VitePlugin } from 'vite'; import { getRehypePlugins, getRemarkPlugins, recmaInjectImportMetaEnvPlugin } from './plugins.js'; import type { OptimizeOptions } from './rehype-optimize-static.js'; import { getFileInfo, ignoreStringPlugins, parseFrontmatter } from './utils.js'; +import { ASTRO_IMAGE_ELEMENT, ASTRO_IMAGE_IMPORT, USES_ASTRO_IMAGE_FLAG } from './remark-images-to-component.js'; export type MdxOptions = Omit<typeof markdownConfigDefaults, 'remarkPlugins' | 'rehypePlugins'> & { extendMarkdownConfig: boolean; @@ -194,12 +195,19 @@ export default function mdx(partialMdxOptions: Partial<MdxOptions> = {}): AstroI if (!moduleExports.find(({ n }) => n === 'Content')) { // If have `export const components`, pass that as props to `Content` as fallback const hasComponents = moduleExports.find(({ n }) => n === 'components'); + const usesAstroImage = moduleExports.find(({n}) => n === USES_ASTRO_IMAGE_FLAG); + + let componentsCode = `{ Fragment${hasComponents ? ', ...components' : ''}, ...props.components,` + if (usesAstroImage) { + componentsCode += ` ${JSON.stringify(ASTRO_IMAGE_ELEMENT)}: ${hasComponents ? 'components.img ?? ' : ''} props.components?.img ?? ${ASTRO_IMAGE_IMPORT}`; + } + componentsCode += ' }'; // Make `Content` the default export so we can wrap `MDXContent` and pass in `Fragment` code = code.replace('export default MDXContent;', ''); code += `\nexport const Content = (props = {}) => MDXContent({ ...props, - components: { Fragment${hasComponents ? ', ...components' : ''}, ...props.components }, + components: ${componentsCode}, }); export default Content;`; } diff --git a/packages/integrations/mdx/src/remark-images-to-component.ts b/packages/integrations/mdx/src/remark-images-to-component.ts index bb9657f42..40d414b5c 100644 --- a/packages/integrations/mdx/src/remark-images-to-component.ts +++ b/packages/integrations/mdx/src/remark-images-to-component.ts @@ -4,6 +4,10 @@ import type { MdxJsxFlowElement, MdxjsEsm } from 'mdast-util-mdx'; import { visit } from 'unist-util-visit'; import { jsToTreeNode } from './utils.js'; +export const ASTRO_IMAGE_ELEMENT = 'astro-image'; +export const ASTRO_IMAGE_IMPORT = '__AstroImage__'; +export const USES_ASTRO_IMAGE_FLAG = '__usesAstroImage'; + export function remarkImageToComponent() { return function (tree: any, file: MarkdownVFile) { if (!file.data.imagePaths) return; @@ -48,7 +52,7 @@ export function remarkImageToComponent() { // Build a component that's equivalent to <Image src={importName} alt={node.alt} title={node.title} /> const componentElement: MdxJsxFlowElement = { - name: '__AstroImage__', + name: ASTRO_IMAGE_ELEMENT, type: 'mdxJsxFlowElement', attributes: [ { @@ -92,7 +96,9 @@ export function remarkImageToComponent() { // Add all the import statements to the top of the file for the images tree.children.unshift(...importsStatements); - // Add an import statement for the Astro Image component, we rename it to avoid conflicts - tree.children.unshift(jsToTreeNode(`import { Image as __AstroImage__ } from "astro:assets";`)); + tree.children.unshift(jsToTreeNode(`import { Image as ${ASTRO_IMAGE_IMPORT} } from "astro:assets";`)); + // Export `__usesAstroImage` to pick up `astro:assets` usage in the module graph. + // @see the '@astrojs/mdx-postprocess' plugin + tree.children.push(jsToTreeNode(`export const ${USES_ASTRO_IMAGE_FLAG} = true`)); }; } |