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Code Issues Packages 1 Wiki Activity

docs: env.get will return undefined if not exist (#10514)

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迷渡 2021-05-06 17:45:36 +08:00 • committed by GitHub
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6
cli/dts/lib.deno.ns.d.ts vendored
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@ -177,12 +177,12 @@ declare namespace Deno {
export function exit(code?: number): never; export function exit(code?: number): never;
export const env: { export const env: {
/** Retrieve the value of an environment variable. Returns undefined if that /** Retrieve the value of an environment variable. Returns `undefined` if that
* key doesn't exist. * key doesn't exist.
* *
* ```ts * ```ts
* console.log(Deno.env.get("HOME")); // e.g. outputs "/home/alice" * console.log(Deno.env.get("HOME")); // e.g. outputs "/home/alice"
* console.log(Deno.env.get("MADE_UP_VAR")); // outputs "Undefined" * console.log(Deno.env.get("MADE_UP_VAR")); // outputs "undefined"
* ``` * ```
* Requires `allow-env` permission. */ * Requires `allow-env` permission. */
get(key: string): string | undefined; get(key: string): string | undefined;
@ -201,7 +201,7 @@ declare namespace Deno {
* *
* ```ts * ```ts
* Deno.env.set("SOME_VAR", "Value"); * Deno.env.set("SOME_VAR", "Value");
* Deno.env.delete("SOME_VAR"); // outputs "Undefined" * Deno.env.delete("SOME_VAR"); // outputs "undefined"
* ``` * ```
* *
* Requires `allow-env` permission. */ * Requires `allow-env` permission. */