feat: Inject cozy-client - stage 11 - cozyFetchJSON

simple wrapper around internal `fetchJSON()` maintaining compatibility with the old cozy-client-js

src/lib/stack-client.js

@@ -97,7 +97,7 @@ const updateAccessToken = function(token) {
  *
  * @function
  * @private
- * @returns {Promise} the full raw JSON playload
+ * @returns {Promise} the full raw JSON payload
  */
 const fetchJSON = function(method, path, body, options={}) {
 
@@ -302,6 +302,29 @@ const getContext = function() {
   return fetchJSON('GET', '/settings/context')
 }
 
+/**
+ * Fetch a resource on the cozy stack
+ * with a prototype compatible with the legacy cozy-client-js
+ *
+ * @function
+ * @param {object} cozy - cozy-client-js 
+ * @param {string} method - HTTP method
+ * @param {string} path
+ * @param {object} body
+ * @returns {Promise}
+ */
+const cozyFetchJSON = function(cozy, method, path, body) {
+  return fetchJSON(method, path, body).then(
+    json => {
+      const responseData = Object.assign({}, json.data)
+      if (responseData.id) {
+        responseData._id = responseData.id
+      }
+      return responseData
+    }
+  )
+}
+
 /**
  * Initializes the functions to call the cozy stack
  *
@@ -333,7 +356,8 @@ export default {
     iconProps: getAppIconProps,
     cozyURL: getCozyURLOrigin
   }, 
-  updateAccessToken, 
+  updateAccessToken,
+  cozyFetchJSON, 
   logout, 
   init 
 }

test/lib/stack-client/stack-client.cozyfetchjson.spec.js

@@ -0,0 +1,49 @@
+import stack from 'lib/stack-client'
+
+describe("stack client", () => {
+
+  describe("cozyFetchJSON", () => {
+
+    let json = jest.fn().mockReturnValue({ 
+      data: { id: "myid" }
+    })
+    let fetch = jest.fn().mockResolvedValue({
+      status:200,
+      headers: {
+        get: (header) => 'application/json'
+      },
+      json
+    })
+    let cozyClient = { 
+      getStackClient: () => {
+        return {
+          token: { token: "mytoken"},
+          uri: "https://test.mycozy.cloud",
+          fetch
+        }
+      }
+    }
+    let params = {
+        cozyClient,
+        onCreateApp: function() {},
+        onDeleteApp: function() {},
+      }
+
+    beforeAll(async () => {
+      await stack.init(params)
+    })
+
+    it("should transform `id` in `_id`", async () => {
+      const data = await stack.cozyFetchJSON('_', 'GET', '/path')
+      expect( data._id ).toBe('myid')
+    })
+
+    it("should call fetch from cozy-client", async () => {
+      fetch.mockClear()
+      const data = await stack.cozyFetchJSON('_', 'GET', '/path')
+      expect( fetch ).toHaveBeenCalled()
+    })
+
+  })
+
+})