35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
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import { RetrieveGlobals } from "node-retrieve-globals";
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// `javascript` Front Matter Type
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export default function (frontMatterCode, context = {}) {
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let { filePath } = context;
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// context.language would be nice as a guard, but was unreliable
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if (frontMatterCode.trimStart().startsWith("{")) {
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return context.engines.jsLegacy.parse(frontMatterCode, context);
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}
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let vm = new RetrieveGlobals(frontMatterCode, {
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filePath,
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// ignored if vm.Module is stable (or --experimental-vm-modules)
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transformEsmImports: true,
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});
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// Future warning until vm.Module is stable:
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// If the frontMatterCode uses `import` this uses the `experimentalModuleApi`
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// option in node-retrieve-globals to workaround https://github.com/zachleat/node-retrieve-globals/issues/2
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let data = {
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page: {
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// Theoretically fileSlug and filePathStem could be added here but require extensionMap
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inputPath: filePath,
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},
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};
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// this is async, but it’s handled in Eleventy upstream.
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return vm.getGlobalContext(data, {
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reuseGlobal: true,
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dynamicImport: true,
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// addRequire: true,
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});
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}
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