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26 lines
710 B
TypeScript
26 lines
710 B
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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/**
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* Returns the current user's home directory.
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* On Unix, including macOS, it returns the $HOME environment variable.
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* On Windows, it returns %USERPROFILE%.
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* Needs permissions to access env (--allow-env).
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*
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* Ported from Go: https://github.com/golang/go/blob/go1.12.5/src/os/file.go#L389
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*/
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export function userHomeDir(): string {
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let env = "HOME";
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let envErr = "$HOME";
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if (Deno.platform.os === "win") {
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env = "USERPROFILE";
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envErr = "%USERPROFILE%";
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}
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const value = Deno.env()[env];
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if (value !== "") {
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return value;
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}
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throw new Error(`Environment variable '${envErr}' is not defined.`);
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}
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