Development

.talismanrc

@@ -17,3 +17,11 @@ fileignoreconfig:
 - filename: test/sanity-check/api/stack-test.js
   checksum: 198d5cf7ead33b079249dc3ecdee61a9c57453e93f1073ed0341400983e5aa53
 version: "1.0"
+fileignoreconfig:
+- filename: test/sanity-check/api/previewToken-test.js
+  checksum: 9a42e079b7c71f76932896a0d2390d86ac626678ab20d36821dcf962820a886c
+- filename: lib/stack/deliveryToken/index.js
+  checksum: 51ae00f07f4cc75c1cd832b311c2e2482f04a8467a0139da6013ceb88fbdda2f
+- filename: lib/stack/deliveryToken/previewToken/index.js
+  checksum: b506f33bffdd20dfc701f964370707f5d7b28a2c05c70665f0edb7b3c53c165b
+version: "1.0"

CHANGELOG.md

@@ -1,4 +1,12 @@
 # Changelog
+## [v1.21.5](https://github.com/contentstack/contentstack-management-javascript/tree/v1.21.5) (2025-06-09)
+ - Enhancement
+   - Preview token support added
+
+## [v1.21.4](https://github.com/contentstack/contentstack-management-javascript/tree/v1.21.4) (2025-06-02)
+ - Enhancement
+   - Retry Logic modification on x-ratelimit-remaining Header
+
 ## [v1.21.3](https://github.com/contentstack/contentstack-management-javascript/tree/v1.21.3) (2025-05-26)
  - Enhancement
    - Update addSettings Method to Support Generic Stack Settings Update

lib/core/concurrency-queue.js

@@ -229,6 +229,7 @@ export function ConcurrencyQueue ({ axios, config }) {
     if (!this.config.retryOnError || networkError > this.config.retryLimit) {
       return Promise.reject(responseHandler(error))
     }
+    // Check rate limit remaining header before retrying
 
     // Error handling
     const wait = this.config.retryDelay
@@ -244,19 +245,26 @@ export function ConcurrencyQueue ({ axios, config }) {
       } else {
         return Promise.reject(responseHandler(error))
       }
-    } else if ((response.status === 401 && this.config.refreshToken)) {
-      retryErrorType = `Error with status: ${response.status}`
-      networkError++
-
-      if (networkError > this.config.retryLimit) {
+    } else {
+      const rateLimitRemaining = response.headers['x-ratelimit-remaining']
+      if (rateLimitRemaining !== undefined && parseInt(rateLimitRemaining) <= 0) {
         return Promise.reject(responseHandler(error))
       }
-      this.running.shift()
-      // Cool down the running requests
-      delay(wait, response.status === 401)
-      error.config.retryCount = networkError
-      // deepcode ignore Ssrf: URL is dynamic
-      return axios(updateRequestConfig(error, retryErrorType, wait))
+
+      if ((response.status === 401 && this.config.refreshToken)) {
+        retryErrorType = `Error with status: ${response.status}`
+        networkError++
+
+        if (networkError > this.config.retryLimit) {
+          return Promise.reject(responseHandler(error))
+        }
+        this.running.shift()
+        // Cool down the running requests
+        delay(wait, response.status === 401)
+        error.config.retryCount = networkError
+        // deepcode ignore Ssrf: URL is dynamic
+        return axios(updateRequestConfig(error, retryErrorType, wait))
+      }
     }
     if (this.config.retryCondition && this.config.retryCondition(error)) {
       retryErrorType = error.response ? `Error with status: ${response.status}` : `Error Code:${error.code}`

lib/entity.js

@@ -85,21 +85,20 @@ export const upload = async ({ http, urlPath, stackHeaders, formData, params, me
   }
 }
 
-export const create = ({ http, params = {}, createWithPreviewToken = false }) => {
+export const create = ({ http, params }) => {
   return async function (data, param) {
     this.stackHeaders = {
       ...this.stackHeaders
     }
-    const queryParams = {
-      ...(createWithPreviewToken ? { create_with_preview_token: true } : {}),
-      ...cloneDeep(param) // user param can override default
-    }
+
     const headers = {
       headers: {
         ...cloneDeep(params),
         ...cloneDeep(this.stackHeaders)
       },
-      params: queryParams
+      params: {
+        ...cloneDeep(param)
+      }
     } || {}
 
     try {

lib/stack/deliveryToken/index.js

@@ -1,5 +1,6 @@
 import cloneDeep from 'lodash/cloneDeep'
 import { create, update, deleteEntity, fetch, query } from '../../entity'
+import { PreviewToken } from './previewToken'
 
 /**
  * Delivery tokens provide read-only access to the associated environments. Read more about <a href='https://www.contentstack.com/docs/developers/create-tokens/about-delivery-tokens'>DeliveryToken</a>.
@@ -59,6 +60,22 @@ export function DeliveryToken (http, data = {}) {
      *
      */
     this.fetch = fetch(http, 'token')
+
+    /**
+     * @description The Create a PreviewToken call creates a new previewToken in a particular stack of your Contentstack account.
+     * @memberof DeliveryToken
+     * @func previewToken
+     * @returns {PreviewToken} Instance of PreviewToken.
+     * @example
+     * import * as contentstack from '@contentstack/management'
+     * const client = contentstack.client()
+     * const deliveryToken = client.stack({ api_key: 'api_key'}).deliveryToken('delivery_token_uid')
+     * const previewToken = deliveryToken.previewToken()
+     * console.log(previewToken)
+     */
+    this.previewToken = () => {
+      return new PreviewToken(http, { stackHeaders: this.stackHeaders, token: { uid: this.uid } })
+    }
   } else {
     /**
      * @description The Create a DeliveryToken call creates a new deliveryToken in a particular stack of your Contentstack account.
@@ -84,7 +101,7 @@ export function DeliveryToken (http, data = {}) {
      * client.stack().deliveryToken().create({ token })
      * .then((deliveryToken) => console.log(deliveryToken))
      */
-    this.create = create({ http: http, createWithPreviewToken: true })
+    this.create = create({ http: http })
 
     /**
      * @description The ‘Get all deliveryToken’ request returns comprehensive information about all deliveryToken created in a stack.

lib/stack/deliveryToken/previewToken/index.js

@@ -0,0 +1,50 @@
+import cloneDeep from 'lodash/cloneDeep'
+import { create, deleteEntity } from '../../../entity'
+
+/**
+ * Preview tokens provide read-only access to the associated environments. Read more about <a href='https://www.contentstack.com/docs/developers/create-tokens/about-preview-tokens'>PreviewToken</a>.
+ * @namespace PreviewToken
+ */
+export function PreviewToken (http, data = {}) {
+  this.stackHeaders = data.stackHeaders
+  if (data.token) {
+    Object.assign(this, cloneDeep(data.token))
+    this.urlPath = `/stacks/delivery_tokens/${this.uid}/preview_token`
+
+    /**
+     * @description The Delete PreviewToken call is used to delete an existing PreviewToken permanently from your Stack.
+     * @memberof PreviewToken
+     * @func delete
+     * @returns {Object} Response Object.
+     * @example
+     * import * as contentstack from '@contentstack/management'
+     * const client = contentstack.client()
+     *
+     * client.stack({ api_key: 'api_key'}).deliveryToken('delivery_token_uid').previewToken().delete()
+     * .then((response) => console.log(response.notice))
+     */
+    this.delete = deleteEntity(http)
+
+    /**
+     * @description The Create a PreviewToken call creates a new previewToken in a particular stack of your Contentstack account.
+     * @memberof PreviewToken
+     * @func create
+     * @returns {Promise<PreviewToken.PreviewToken>} Promise for PreviewToken instance
+     *
+     * @example
+     * import * as contentstack from '@contentstack/management'
+     * const client = contentstack.client()
+     * client.stack().deliveryToken('delivery_token_uid').previewToken().create()
+     * .then((previewToken) => console.log(previewToken))
+     */
+    this.create = create({ http: http })
+  }
+}
+
+export function PreviewTokenCollection (http, data) {
+  const obj = cloneDeep(data.tokens) || []
+  const previewTokenCollection = obj.map((userdata) => {
+    return new PreviewToken(http, { token: userdata, stackHeaders: data.stackHeaders })
+  })
+  return previewTokenCollection
+}