remove js-ipfs in electron app, eslint to dev deps (#123)

- add ipfs:// protocol handlers, not enabled for now
- use browser-side auto-js-ipfs for loading from ipfs even in electron app
- deps: bump wabac.js to 2.13.0
- update CHANGES

Co-authored-by: Ilya Kreymer <ikreymer@gmail.com>

src/electron-ipfs-handler.js

@@ -0,0 +1,44 @@
+import { protocol, session } from "electron";
+
+import fetchToHandler from "fetch-to-electron-protocol-handler";
+import makeIPFSFetch from "js-ipfs-fetch";
+import * as IPFS from "ipfs-core";
+
+export const PROTOCOL_PERMISSIONS = {
+  standard: true,
+  secure: true,
+  allowServiceWorkers: true,
+  supportFetchAPI: true,
+  bypassCSP: false,
+  corsEnabled: true,
+  stream: true
+};
+
+export function registerPrivileges(privileges = PROTOCOL_PERMISSIONS) {
+  protocol.registerSchemesAsPrivileged([
+    {scheme: "ipfs", privileges},
+    {scheme: "ipns", privileges},
+    {scheme: "ipld", privileges}
+  ]);
+}
+
+export function registerHandler(ipfsRepoPath) {
+  const handler = createHandler(ipfsRepoPath);
+  protocol.registerStreamProtocol("ipfs", handler);
+  protocol.registerStreamProtocol("ipns", handler);
+  protocol.registerStreamProtocol("ipld", handler);
+}
+
+export function createHandler (ipfsRepoPath) {
+  const {handler} = fetchToHandler(async () => {
+    const ipfs = await IPFS.create({
+      repo: ipfsRepoPath
+    });
+
+    const fetch = await makeIPFSFetch({ ipfs });
+
+    return fetch;
+  }, session.defaultSession);
+
+  return handler;
+}