feat: add API wrapper class and APIError

Author: ramakanth98

src/api/__tests__/api.test.js

@@ -69,4 +69,14 @@ describe('API — post()', () => {
     const api = new API('/letter_templates', 'v1')
     await expect(api.post('/render', {})).rejects.toThrow(APIError)
   })
+
+  test('APIError carries HTTP status', async () => {
+    axios.post.mockRejectedValue({
+      message: 'Server error',
+      response: { status: 500 }
+    })
+
+    const api = new API('/letter_templates', 'v1')
+    await expect(api.post('/render', {})).rejects.toMatchObject({ status: 500 })
+  })
 })

src/api/index.js

@@ -0,0 +1,51 @@
+import axios from 'axios'
+
+export class APIError extends Error {
+  constructor(message, status) {
+    super(message)
+    this.name = 'APIError'
+    this.status = status
+  }
+}
+
+export class API {
+  constructor(path, version) {
+    this.baseUrl = version ? `/api/${version}${path}` : `/api${path}`
+  }
+
+  async get(endpoint = '', params = {}) {
+    try {
+      const res = await axios.get(this.baseUrl + endpoint, { params })
+      return res.data
+    } catch (e) {
+      throw new APIError(e.message, e.response?.status)
+    }
+  }
+
+  async post(endpoint = '', data = {}) {
+    try {
+      const res = await axios.post(this.baseUrl + endpoint, data)
+      return res.data
+    } catch (e) {
+      throw new APIError(e.message, e.response?.status)
+    }
+  }
+
+  async put(endpoint = '', data = {}) {
+    try {
+      const res = await axios.put(this.baseUrl + endpoint, data)
+      return res.data
+    } catch (e) {
+      throw new APIError(e.message, e.response?.status)
+    }
+  }
+
+  async delete(endpoint = '') {
+    try {
+      const res = await axios.delete(this.baseUrl + endpoint)
+      return res.data
+    } catch (e) {
+      throw new APIError(e.message, e.response?.status)
+    }
+  }
+}