feat: detect and support window.ipfs.enable experiment

README.md

@@ -4,7 +4,7 @@
 
 > Get `window.ipfs` with fallback to CDN if unavailable
 
-The [IPFS Companion](https://github.com/ipfs-shipyard/ipfs-companion) web extension provides a `window.ipfs` object to web pages you visit.
+The [IPFS Companion](https://github.com/ipfs-shipyard/ipfs-companion) web extension provides a [`window.ipfs` object](https://github.com/ipfs-shipyard/ipfs-companion/blob/master/docs/window.ipfs.md) to web pages you visit.
 
 This module will detects the presence of `window.ipfs` and automatically falls back to downloading the latest version of IPFS from `https://unpkg.com/ipfs/dist/index.min.js` if it's unavailable. Note: can be configured to fallback to IPFS API.
 
@@ -22,7 +22,7 @@ console.log(await ipfs.id())
 
 ### `getIpfs([options])`
 
-If `window.ipfs` is available, the promise is resolved with that node.
+If `window.ipfs` is available, the promise is resolved with that node and default ACLs.
 
 If `window.ipfs` is unavailable, a `<script src="https://unpkg.com/ipfs/dist/index.min.js" />` is inserted into the document and when the script has loaded a new IPFS node is created and the promise is resolved.
 

index.js

@@ -2,7 +2,15 @@ module.exports = function getIpfs (opts) {
   opts = opts || {}
 
   return new Promise(function (resolve, reject) {
-    if (window.ipfs) return resolve(window.ipfs)
+    if (window.ipfs) {
+      // forward-compatible migration
+      // https://github.com/ipfs-shipyard/ipfs-companion/issues/589
+      if (typeof window.ipfs.enable === 'function') {
+        return resolve(window.ipfs.enable())
+      }
+      // backward-compatible
+      return resolve(window.ipfs)
+    }
 
     var onLoad = function () {
       var Ipfs = getConstructor(opts.api)