basic deno support

Author: dmonad

environment.js

@@ -15,7 +15,7 @@ import * as f from './function.js'
 export const isNode = typeof process !== 'undefined' && process.release &&
   /node|io\.js/.test(process.release.name)
 /* c8 ignore next */
-export const isBrowser = typeof window !== 'undefined' && !isNode
+export const isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && !isNode
 /* c8 ignore next 3 */
 export const isMac = typeof navigator !== 'undefined'
   ? /Mac/.test(navigator.platform)

package.json

@@ -382,6 +382,9 @@
     },
     "./webcrypto": {
       "types": "./webcrypto.browser.d.ts",
+      "deno": {
+        "import": "./webcrypto.deno.js"
+      },
       "node": {
         "import": "./webcrypto.node.js",
         "require": "./dist/webcrypto.node.cjs"