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30 lines
767 B
30 lines
767 B
8 years ago
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import module from 'module';
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const builtins = new Set(
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Object.keys(process.binding('natives')).filter(str =>
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/^(?!(?:internal|node|v8)\/)/.test(str))
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)
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export function resolve (specifier, base, defaultResolver) {
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if (builtins.has(specifier)) {
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return {
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url: `node:${specifier}`,
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format: 'dynamic'
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};
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}
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return defaultResolver(specifier, base);
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}
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export async function dynamicInstantiate (url) {
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const builtinInstance = module._load(url.substr(5));
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const builtinExports = ['default', ...Object.keys(builtinInstance)];
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return {
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exports: builtinExports,
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execute: exports => {
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for (let name of builtinExports)
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exports[name].set(builtinInstance[name]);
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exports.default.set(builtinInstance);
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}
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};
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}
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