vite-plugin-mdx
Version:
Vite plugin for MDX
50 lines • 1.84 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.inferNamedImports = exports.assertImportExists = exports.resolveImport = exports.requireFrom = exports.resolveMdxImport = exports.requireMdx = void 0;
const resolve_1 = __importDefault(require("resolve"));
const importCache = {};
function requireMdx(cwd) {
return require(resolveMdxImport(cwd));
}
exports.requireMdx = requireMdx;
function resolveMdxImport(cwd) {
return resolveImport('@mdx-js/mdx', cwd) || require.resolve('@mdx-js/mdx');
}
exports.resolveMdxImport = resolveMdxImport;
function requireFrom(name, cwd) {
return require(resolveImport(name, cwd, true));
}
exports.requireFrom = requireFrom;
function resolveImport(name, cwd, throwOnMissing) {
const cacheKey = cwd + '\0' + name;
if (!importCache[cacheKey]) {
try {
importCache[cacheKey] = resolve_1.default.sync(name, { basedir: cwd });
}
catch (e) {
if (throwOnMissing) {
throw new Error(`[vite-plugin-mdx] "${name}" must be installed`);
}
}
}
return importCache[cacheKey];
}
exports.resolveImport = resolveImport;
/**
* Throw an error if the given `name` cannot be found from `cwd`.
* Otherwise, return the `name`.
*/
function assertImportExists(name, cwd) {
return resolveImport(name, cwd, true) && name;
}
exports.assertImportExists = assertImportExists;
function inferNamedImports(root) {
return resolveImport('preact', root)
? { preact: ['h'], '@mdx-js/preact': ['mdx'] }
: { react: 'React', '@mdx-js/react': ['mdx'] };
}
exports.inferNamedImports = inferNamedImports;
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