1 files changed, 93 insertions, 0 deletions
diff --git a/cli/js/lib.deno.ns.d.ts b/cli/js/lib.deno.ns.d.ts
index 4a3417b5d..0b46a0c4d 100644
--- a/cli/js/lib.deno.ns.d.ts
+++ b/cli/js/lib.deno.ns.d.ts
@@ -19,6 +19,40 @@ declare interface ImportMeta {
   main: boolean;
 }
 
+declare interface Permissions {
+  /** Resolves to the current status of a permission.
+   *
+   * ```ts
+   * const status = await navigator.permissions.query({ name: "read", path: "/etc" });
+   * if (status.state === "granted") {
+   *   data = await Deno.readFile("/etc/passwd");
+   * }
+   * ```
+   */
+  query(permissionDesc: Deno.PermissionDescriptor): Promise<PermissionStatus>;
+
+  /** Requests the permission, and resolves to the state of the permission.
+   *
+   * ```ts
+   * const status = await navigator.permissions.request({ name: "env" });
+   * if (status.state === "granted") {
+   *   console.log(Deno.dir("home");
+   * } else {
+   *   console.log("'env' permission is denied.");
+   * }
+   * ```
+   */
+  request(permissionDesc: Deno.PermissionDescriptor): Promise<PermissionStatus>;
+
+  /** Revokes a permission, and resolves to the state of the permission.
+   *
+   * ```ts
+   * const status = await Deno.revoke({ name: "run" });
+   * ```
+   */
+  revoke(permissionDesc: Deno.PermissionDescriptor): Promise<PermissionStatus>;
+}
+
 declare namespace Deno {
   /** A set of error constructors that are raised by Deno APIs. */
   export const errors: {
@@ -1897,6 +1931,65 @@ declare namespace Deno {
    * Requires `allow-run` permission. */
   export function run<T extends RunOptions = RunOptions>(opt: T): Process<T>;
 
+  /** The name of a "powerful feature" which needs permission.
+   *
+   * See: https://w3c.github.io/permissions/#permission-registry
+   *
+   * Note that the definition of `PermissionName` in the above spec is swapped
+   * out for a set of Deno permissions which are not web-compatible. */
+  export type PermissionName =
+    | "run"
+    | "read"
+    | "write"
+    | "net"
+    | "env"
+    | "plugin"
+    | "hrtime";
+
+  export interface RunPermissionDescriptor {
+    name: "run";
+  }
+
+  export interface ReadPermissionDescriptor {
+    name: "read";
+    path?: string;
+  }
+
+  export interface WritePermissionDescriptor {
+    name: "write";
+    path?: string;
+  }
+
+  export interface NetPermissionDescriptor {
+    name: "net";
+    url?: string;
+  }
+
+  export interface EnvPermissionDescriptor {
+    name: "env";
+  }
+
+  export interface PluginPermissionDescriptor {
+    name: "plugin";
+  }
+
+  export interface HrtimePermissionDescriptor {
+    name: "hrtime";
+  }
+
+  /** Permission descriptors which define a permission and can be queried,
+   * requested, or revoked.
+   *
+   * See: https://w3c.github.io/permissions/#permission-descriptor */
+  export type PermissionDescriptor =
+    | RunPermissionDescriptor
+    | ReadPermissionDescriptor
+    | WritePermissionDescriptor
+    | NetPermissionDescriptor
+    | EnvPermissionDescriptor
+    | PluginPermissionDescriptor
+    | HrtimePermissionDescriptor;
+
   interface InspectOptions {
     depth?: number;
   }