-
Notifications
You must be signed in to change notification settings - Fork 9
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #23 from storybookjs/shilman/convert-to-tsup
Prebundle with tsup
- Loading branch information
Showing
9 changed files
with
613 additions
and
194 deletions.
There are no files selected for viewing
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,148 @@ | ||
| export * from './mdx2'; | ||
| import { compile as mdxCompile, compileSync } from '@mdx-js/mdx'; | ||
| import generate from '@babel/generator'; | ||
| import * as t from '@babel/types'; | ||
| import cloneDeep from 'lodash/cloneDeep'; | ||
| import toBabel from 'estree-to-babel'; | ||
| import { toEstree } from 'hast-util-to-estree'; | ||
|
|
||
| // Keeping as much code as possible from the original compiler to avoid breaking changes | ||
| import { | ||
| genCanvasExports, | ||
| genStoryExport, | ||
| genMeta, | ||
| CompilerOptions, | ||
| Context, | ||
| MetaExport, | ||
| wrapperJs, | ||
| stringifyMeta, | ||
| } from './sb-mdx-plugin'; | ||
|
|
||
| export const SEPARATOR = '// ========='; | ||
|
|
||
| export { wrapperJs }; | ||
|
|
||
| function extractExports(root: t.File, options: CompilerOptions) { | ||
| const context: Context = { | ||
| counter: 0, | ||
| storyNameToKey: {}, | ||
| namedExports: {}, | ||
| }; | ||
| const storyExports = []; | ||
| const includeStories = []; | ||
| let metaExport: MetaExport | null = null; | ||
| const { code } = generate(root, {}); | ||
| let contents: t.ExpressionStatement; | ||
| root.program.body.forEach((child) => { | ||
| if (t.isExpressionStatement(child) && t.isJSXFragment(child.expression)) { | ||
| if (contents) throw new Error('duplicate contents'); | ||
| contents = child; | ||
| } else if ( | ||
| t.isExportNamedDeclaration(child) && | ||
| t.isVariableDeclaration(child.declaration) && | ||
| child.declaration.declarations.length === 1 | ||
| ) { | ||
| const declaration = child.declaration.declarations[0]; | ||
| if (t.isVariableDeclarator(declaration) && t.isIdentifier(declaration.id)) { | ||
| const { name } = declaration.id; | ||
| context.namedExports[name] = declaration.init; | ||
| } | ||
| } | ||
| }); | ||
| if (contents) { | ||
| const jsx = contents.expression as t.JSXFragment; | ||
| jsx.children.forEach((child) => { | ||
| if (t.isJSXElement(child)) { | ||
| if (t.isJSXIdentifier(child.openingElement.name)) { | ||
| const name = child.openingElement.name.name; | ||
| let stories; | ||
| if (['Canvas', 'Preview'].includes(name)) { | ||
| stories = genCanvasExports(child, context); | ||
| } else if (name === 'Story') { | ||
| stories = genStoryExport(child, context); | ||
| } else if (name === 'Meta') { | ||
| const meta = genMeta(child, options); | ||
| if (meta) { | ||
| if (metaExport) { | ||
| throw new Error('Meta can only be declared once'); | ||
| } | ||
| metaExport = meta; | ||
| } | ||
| } | ||
| if (stories) { | ||
| Object.entries(stories).forEach(([key, story]) => { | ||
| includeStories.push(key); | ||
| storyExports.push(story); | ||
| }); | ||
| } | ||
| } | ||
| } else if (t.isJSXExpressionContainer(child)) { | ||
| // Skip string literals & other JSX expressions | ||
| } else { | ||
| throw new Error(`Unexpected JSX child: ${child.type}`); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| if (metaExport) { | ||
| if (!storyExports.length) { | ||
| storyExports.push('export const __page = () => { throw new Error("Docs-only story"); };'); | ||
| storyExports.push('__page.parameters = { docsOnly: true };'); | ||
| includeStories.push('__page'); | ||
| } | ||
| } else { | ||
| metaExport = {}; | ||
| } | ||
| metaExport.includeStories = JSON.stringify(includeStories); | ||
|
|
||
| const fullJsx = [ | ||
| ...storyExports, | ||
| `const componentMeta = ${stringifyMeta(metaExport)};`, | ||
| wrapperJs, | ||
| 'export default componentMeta;', | ||
| ].join('\n\n'); | ||
|
|
||
| return fullJsx; | ||
| } | ||
|
|
||
| export const plugin = (store: any) => (root: any) => { | ||
| const estree = store.toEstree(root); | ||
| // toBabel mutates root, so we need to clone it | ||
| const clone = cloneDeep(estree); | ||
| const babel = toBabel(clone); | ||
| store.exports = extractExports(babel, {}); | ||
|
|
||
| return root; | ||
| }; | ||
|
|
||
| export const postprocess = (code: string, extractedExports: string) => { | ||
| const lines = code.toString().trim().split('\n'); | ||
|
|
||
| // /*@jsxRuntime automatic @jsxImportSource react*/ | ||
| const first = lines.shift(); | ||
|
|
||
| return [ | ||
| first, | ||
| ...lines.filter((line) => !line.match(/^export default/)), | ||
| SEPARATOR, | ||
| extractedExports, | ||
| ].join('\n'); | ||
| }; | ||
|
|
||
| export const mdxSync = (code: string) => { | ||
| const store = { exports: '', toEstree }; | ||
| const output = compileSync(code, { | ||
| rehypePlugins: [[plugin, store]], | ||
| }); | ||
| return postprocess(output.toString(), store.exports); | ||
| }; | ||
|
|
||
| export { mdxSync as compileSync }; | ||
|
|
||
| export const compile = async (code: string, { skipCsf }: { skipCsf?: boolean } = {}) => { | ||
| const store = { exports: '', toEstree }; | ||
| const output = await mdxCompile(code, { | ||
| rehypePlugins: skipCsf ? [] : [[plugin, store]], | ||
| providerImportSource: '@mdx-js/react', | ||
| }); | ||
| return skipCsf ? output.toString() : postprocess(output.toString(), store.exports); | ||
| }; |
Oops, something went wrong.