@typespec/compiler/dist/src/module-resolver/utils.js

TypeSpec Compiler Preview

// returns the imported package name for bare module imports
export function parseNodeModuleSpecifier(id) {
    if (id.startsWith(".") || id.startsWith("/")) {
        return null;
    }
    const split = id.split("/");
    // @my-scope/my-package/foo.js -> @my-scope/my-package
    // @my-scope/my-package -> @my-scope/my-package
    if (split[0][0] === "@") {
        return { packageName: `${split[0]}/${split[1]}`, subPath: split.slice(2).join("/") };
    }
    // my-package/foo.js -> my-package
    // my-package -> my-package
    return { packageName: split[0], subPath: split.slice(1).join("/") };
}
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