Add environment awareness in order to use crypto/sha.js when appropriate

packages/apollo-env/package.json

@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "core-js": "3.0.0-beta.13",
-    "node-fetch": "^2.2.0"
+    "node-fetch": "^2.2.0",
+    "sha.js": "^2.4.11"
   }
 }

packages/apollo-env/src/index.ts

@@ -2,3 +2,4 @@ import "./polyfills";
 import "./typescript-utility-types";
 
 export * from "../lib/fetch";
+export * from "./utils";

packages/apollo-env/src/utils/createHash.ts

@@ -0,0 +1,10 @@
+import { isNode } from "./isNode";
+
+export function createHash(kind: string): import("crypto").Hash {
+  if (isNode) {
+    // Use module.require instead of just require to avoid bundling whatever
+    // crypto polyfills a non-Node bundler might fall back to.
+    return module.require("crypto").createHash(kind);
+  }
+  return require("sha.js")(kind);
+}

packages/apollo-env/src/utils/index.ts

@@ -0,0 +1,2 @@
+export * from "./createHash";
+export * from "./isNode";

packages/apollo-env/src/utils/isNode.ts

@@ -0,0 +1,7 @@
+export const isNode =
+  typeof process === "object" &&
+  process &&
+  process.release &&
+  process.release.name === "node" &&
+  process.versions &&
+  typeof process.versions.node === "string";

packages/apollo-graphql/package.json

@@ -11,6 +11,7 @@
     "node": ">=6"
   },
   "dependencies": {
+    "apollo-env": "file:../apollo-env",
     "lodash.sortby": "^4.7.0"
   },
   "peerDependencies": {

packages/apollo-graphql/src/signature.ts

@@ -43,8 +43,8 @@
 // the server no longer needs to parse the signature or run its own signature
 // algorithm on it, and the details of the signature algorithm are now up to the
 // reporting agent.
-import { createHash } from "crypto";
 import { DocumentNode } from "graphql";
+import { createHash } from "apollo-env";
 import {
   printWithReducedWhitespace,
   dropUnusedDefinitions,