vite-plugin-mdx
Version:
Vite plugin for MDX
53 lines • 2.69 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createTransformer = void 0;
const esbuild_1 = require("esbuild");
const imports_1 = require("./imports");
function createTransformer(root, namedImports = (0, imports_1.inferNamedImports)(root)) {
const mdx = (0, imports_1.requireMdx)(root);
const imports = Object.entries(namedImports).map(([packageName, imported]) => {
(0, imports_1.assertImportExists)(packageName, root);
return Array.isArray(imported)
? `import { ${imported.join(', ')} } from '${packageName}'`
: `import ${imported} from '${packageName}'`;
});
return function transform(code_mdx, mdxOptions) {
return __awaiter(this, void 0, void 0, function* () {
const code_jsx = yield mdx(code_mdx, mdxOptions);
const code_es2019 = yield jsxToES2019(code_jsx);
return imports.concat('', code_es2019).join('\n');
});
};
}
exports.createTransformer = createTransformer;
function jsxToES2019(code_jsx) {
return __awaiter(this, void 0, void 0, function* () {
// We use `esbuild` ourselves instead of letting Vite doing the esbuild transform,
// because there don't seem to be a way to change the esbuild options for specific
// files only: https://vitejs.dev/config/#esbuild
/* Uncomment this to inspect the type `TransformOptions`
type TransformOptions = Pick<Parameters<typeof esBuild.transform>, 1>[1];
let t: TransformOptions;
t!.format
t!.jsxFactory
//*/
let { code: code_es2019 } = yield (0, esbuild_1.transform)(code_jsx, {
loader: 'jsx',
jsxFactory: 'mdx',
target: 'es2019'
});
// TODO stabilize this bugfix
code_es2019 = code_es2019.replace('export default function MDXContent', 'export default MDXContent; function MDXContent');
return code_es2019;
});
}
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