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BREAKING: Map-like interface for Deno.env (#4942)

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Valentin Anger 2020-04-29 20:48:19 +02:00 • committed by GitHub
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9 changed files with 53 additions and 58 deletions
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50
cli/js/lib.deno.ns.d.ts vendored
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@ -116,29 +116,35 @@ declare namespace Deno {
*/
export function exit(code?: number): never;
/** Returns a snapshot of the environment variables at invocation. Changing a
* property in the object will set that variable in the environment for the
* process. The environment object will only accept `string`s as values.
*
* const myEnv = Deno.env();
* console.log(myEnv.SHELL);
* myEnv.TEST_VAR = "HELLO";
* const newEnv = Deno.env();
* console.log(myEnv.TEST_VAR === newEnv.TEST_VAR); // outputs "true"
*
* Requires `allow-env` permission. */
export function env(): {
[index: string]: string;
};
export const env: {
/** Retrieve the value of an environment variable. Returns undefined if that
* key doesn't exist.
*
* console.log(Deno.env.get("HOME")); // e.g. outputs "/home/alice"
* console.log(Deno.env.get("MADE_UP_VAR")); // outputs "Undefined"
*
* Requires `allow-env` permission. */
get(key: string): string | undefined;
/** Retrieve the value of an environment variable. Returns undefined if that
* key doesn't exist.
*
* console.log(Deno.env("HOME")); // e.g. outputs "/home/alice"
* console.log(Deno.env("MADE_UP_VAR")); // outputs "Undefined"
*
* Requires `allow-env` permission. */
export function env(key: string): string | undefined;
/** Set the value of an environment variable.
*
* Deno.env.set("SOME_VAR", "Value"));
* Deno.env.get("SOME_VAR"); // outputs "Value"
*
* Requires `allow-env` permission. */
set(key: string, value: string): void;
/** Returns a snapshot of the environment variables at invocation.
*
* Deno.env.set("TEST_VAR", "A");
* const myEnv = Deno.env.toObject();
* console.log(myEnv.SHELL);
* Deno.env.set("TEST_VAR", "B");
* console.log(myEnv.TEST_VAR); // outputs "A"
*
* Requires `allow-env` permission. */
toObject(): { [index: string]: string };
};
/** **UNSTABLE** */
export type DirKind =