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has

method Deno.Env.has
allow-env
Jump to headingEnv.has(key: string): boolean

Check whether an environment variable is present or not.

Deno.env.set("SOME_VAR", "Value");
Deno.env.has("SOME_VAR");  // outputs true

Requires allow-env permission.

Parameters Jump to heading

Jump to headingkey: string

Return Type Jump to heading

boolean
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