Merge pull request #791 from sasjs/sas9-mini

feat: create a minified version for sas9  and web based appications

package.json

@@ -64,7 +64,7 @@
     "process": "0.11.10",
     "rimraf": "3.0.2",
     "semantic-release": "19.0.3",
-    "terser-webpack-plugin": "5.3.1",
+    "terser-webpack-plugin": "5.3.6",
     "ts-jest": "27.1.3",
     "ts-loader": "9.4.0",
     "tslint": "6.1.3",
@@ -72,7 +72,7 @@
     "typedoc": "0.23.24",
     "typedoc-plugin-rename-defaults": "0.6.4",
     "typescript": "4.8.3",
-    "webpack": "5.69.0",
+    "webpack": "5.76.2",
     "webpack-cli": "4.9.2"
   },
   "main": "index.js",

src/SASjs.ts

@@ -4,8 +4,7 @@ import {
   UploadFile,
   EditContextInput,
   PollOptions,
-  LoginMechanism,
-  ExecutionQuery
+  LoginMechanism
 } from './types'
 import { SASViyaApiClient } from './SASViyaApiClient'
 import { SAS9ApiClient } from './SAS9ApiClient'
@@ -17,7 +16,6 @@ import {
   AuthConfig,
   ExtraResponseAttributes,
   SasAuthResponse,
-  ServicePackSASjs,
   AuthConfigSas9
 } from '@sasjs/utils/types'
 import { RequestClient } from './request/RequestClient'

src/minified/sas9/SASjs.ts

@@ -0,0 +1,273 @@
+import { validateInput, compareTimestamps } from '../../utils'
+import { SASjsConfig, UploadFile, LoginMechanism } from '../../types'
+import { AuthManager } from '../../auth'
+import {
+  ServerType,
+  AuthConfig,
+  ExtraResponseAttributes
+} from '@sasjs/utils/types'
+import { RequestClient } from '../../request/RequestClient'
+import { FileUploader } from '../../job-execution/FileUploader'
+import { WebJobExecutor } from './WebJobExecutor'
+import { ErrorResponse } from '../../types/errors/ErrorResponse'
+import { LoginOptions, LoginResult } from '../../types/Login'
+
+const defaultConfig: SASjsConfig = {
+  serverUrl: '',
+  pathSASJS: '/SASjsApi/stp/execute',
+  pathSAS9: '/SASStoredProcess/do',
+  pathSASViya: '/SASJobExecution',
+  appLoc: '/Public/seedapp',
+  serverType: ServerType.Sas9,
+  debug: false,
+  contextName: 'SAS Job Execution compute context',
+  useComputeApi: null,
+  loginMechanism: LoginMechanism.Default
+}
+
+/**
+ * SASjs is a JavaScript adapter for SAS.
+ *
+ */
+export default class SASjs {
+  private sasjsConfig: SASjsConfig = new SASjsConfig()
+  private jobsPath: string = ''
+  private fileUploader: FileUploader | null = null
+  private authManager: AuthManager | null = null
+  private requestClient: RequestClient | null = null
+  private webJobExecutor: WebJobExecutor | null = null
+
+  constructor(config?: Partial<SASjsConfig>) {
+    this.sasjsConfig = {
+      ...defaultConfig,
+      ...config
+    }
+
+    this.setupConfiguration()
+  }
+
+  /**
+   * Logs into the SAS server with the supplied credentials.
+   * @param username - a string representing the username.
+   * @param password - a string representing the password.
+   * @param clientId - a string representing the client ID.
+   */
+  public async logIn(
+    username?: string,
+    password?: string,
+    clientId?: string,
+    options: LoginOptions = {}
+  ): Promise<LoginResult> {
+    if (this.sasjsConfig.loginMechanism === LoginMechanism.Default) {
+      if (!username || !password)
+        throw new Error(
+          'A username and password are required when using the default login mechanism.'
+        )
+
+      return this.authManager!.logIn(username, password)
+    }
+
+    if (typeof window === typeof undefined) {
+      throw new Error(
+        'The redirected login mechanism is only available for use in the browser.'
+      )
+    }
+
+    return this.authManager!.redirectedLogIn(options)
+  }
+
+  /**
+   * Logs out of the configured SAS server.
+   */
+  public logOut() {
+    return this.authManager!.logOut()
+  }
+
+  /**
+   * Returns the current SASjs configuration.
+   *
+   */
+  public getSasjsConfig() {
+    return this.sasjsConfig
+  }
+
+  /**
+   * this method returns an array of SASjsRequest
+   * @returns SASjsRequest[]
+   */
+  public getSasRequests() {
+    const requests = [...this.requestClient!.getRequests()]
+    const sortedRequests = requests.sort(compareTimestamps)
+    return sortedRequests
+  }
+
+  /**
+   * Sets the debug state. Turning this on will enable additional logging in the adapter.
+   * @param value - boolean indicating debug state (on/off).
+   */
+  public setDebugState(value: boolean) {
+    this.sasjsConfig.debug = value
+  }
+
+  /**
+   * Uploads a file to the given service.
+   * @param sasJob - the path to the SAS program (ultimately resolves to
+   *  the SAS `_program` parameter to run a Job Definition or SAS 9 Stored
+   *  Process). Is prepended at runtime with the value of `appLoc`.
+   * @param files - array of files to be uploaded, including File object and file name.
+   * @param params - request URL parameters.
+   * @param config - provide any changes to the config here, for instance to
+   * enable/disable `debug`. Any change provided will override the global config,
+   * for that particular function call.
+   * @param loginRequiredCallback - a function that is called if the
+   * user is not logged in (eg to display a login form). The request will be
+   * resubmitted after successful login.
+   */
+  public async uploadFile(
+    sasJob: string,
+    files: UploadFile[],
+    params: { [key: string]: any } | null,
+    config: { [key: string]: any } = {},
+    loginRequiredCallback?: () => any
+  ) {
+    config = {
+      ...this.sasjsConfig,
+      ...config
+    }
+    const data = { files, params }
+
+    return await this.fileUploader!.execute(
+      sasJob,
+      data,
+      config,
+      loginRequiredCallback
+    )
+  }
+
+  /**
+   * Makes a request to program specified in `SASjob` (could be a Viya Job, a
+   * SAS 9 Stored Process, or a SASjs Server Stored Program). The response
+   * object will always contain table names in lowercase, and column names in
+   * uppercase. Values are returned formatted by default, unformatted
+   * values can be configured as an option in the `%webout` macro.
+   *
+   * @param sasJob - the path to the SAS program (ultimately resolves to
+   *  the SAS `_program` parameter to run a Job Definition or SAS 9 Stored
+   *  Process). Is prepended at runtime with the value of `appLoc`.
+   * @param data - a JSON object containing one or more tables to be sent to
+   * SAS.  For an example of the table structure, see the project README. This
+   * value can be `null` if no inputs are required.
+   * @param config - provide any changes to the config here, for instance to
+   * enable/disable `debug`. Any change provided will override the global config,
+   * for that particular function call.
+   * @param loginRequiredCallback - a function that is called if the
+   * user is not logged in (eg to display a login form). The request will be
+   * resubmitted after successful login.
+   * When using a `loginRequiredCallback`, the call to the request will look, for example, like so:
+   * `await request(sasJobPath, data, config, () => setIsLoggedIn(false))`
+   * If you are not passing in any data and configuration, it will look like so:
+   * `await request(sasJobPath, {}, {}, () => setIsLoggedIn(false))`
+   * @param extraResponseAttributes - a array of predefined values that are used
+   * to provide extra attributes (same names as those values) to be added in response
+   * Supported values are declared in ExtraResponseAttributes type.
+   */
+  public async request(
+    sasJob: string,
+    data: { [key: string]: any } | null,
+    config: { [key: string]: any } = {},
+    loginRequiredCallback?: () => any,
+    authConfig?: AuthConfig,
+    extraResponseAttributes: ExtraResponseAttributes[] = []
+  ) {
+    config = {
+      ...this.sasjsConfig,
+      ...config
+    }
+
+    const validationResult = validateInput(data)
+
+    // status is true if the data passes validation checks above
+    if (validationResult.status) {
+      return await this.webJobExecutor!.execute(
+        sasJob,
+        data,
+        config,
+        loginRequiredCallback,
+        authConfig,
+        extraResponseAttributes
+      )
+    } else {
+      return Promise.reject(new ErrorResponse(validationResult.msg))
+    }
+  }
+
+  /**
+   * Checks whether a session is active, or login is required.
+   * @returns - a promise which resolves with an object containing two values - a boolean `isLoggedIn`, and a string `userName`.
+   */
+  public async checkSession() {
+    return this.authManager!.checkSession()
+  }
+
+  private setupConfiguration() {
+    if (
+      this.sasjsConfig.serverUrl === undefined ||
+      this.sasjsConfig.serverUrl === ''
+    ) {
+      if (typeof location !== 'undefined') {
+        let url = `${location.protocol}//${location.hostname}`
+
+        if (location.port) url = `${url}:${location.port}`
+
+        this.sasjsConfig.serverUrl = url
+      } else {
+        this.sasjsConfig.serverUrl = ''
+      }
+    }
+
+    if (this.sasjsConfig.serverUrl.slice(-1) === '/') {
+      this.sasjsConfig.serverUrl = this.sasjsConfig.serverUrl.slice(0, -1)
+    }
+
+    if (!this.requestClient) {
+      this.requestClient = new RequestClient(
+        this.sasjsConfig.serverUrl,
+        this.sasjsConfig.httpsAgentOptions,
+        this.sasjsConfig.requestHistoryLimit
+      )
+    } else {
+      this.requestClient.setConfig(
+        this.sasjsConfig.serverUrl,
+        this.sasjsConfig.httpsAgentOptions
+      )
+    }
+
+    this.jobsPath = this.sasjsConfig.pathSAS9
+
+    this.authManager = new AuthManager(
+      this.sasjsConfig.serverUrl,
+      this.sasjsConfig.serverType!,
+      this.requestClient,
+      this.resendWaitingRequests
+    )
+
+    this.fileUploader = new FileUploader(
+      this.sasjsConfig.serverUrl,
+      this.sasjsConfig.serverType!,
+      this.jobsPath,
+      this.requestClient
+    )
+
+    this.webJobExecutor = new WebJobExecutor(
+      this.sasjsConfig.serverUrl,
+      this.sasjsConfig.serverType!,
+      this.jobsPath,
+      this.requestClient
+    )
+  }
+
+  private resendWaitingRequests = async () => {
+    await this.webJobExecutor?.resendWaitingRequests()
+    await this.fileUploader?.resendWaitingRequests()
+  }
+}

src/minified/sas9/WebJobExecutor.ts

@@ -0,0 +1,157 @@
+import {
+  AuthConfig,
+  ExtraResponseAttributes,
+  ServerType
+} from '@sasjs/utils/types'
+import {
+  ErrorResponse,
+  JobExecutionError,
+  LoginRequiredError
+} from '../../types/errors'
+import { RequestClient } from '../../request/RequestClient'
+import {
+  isRelativePath,
+  parseSasViyaDebugResponse,
+  appendExtraResponseAttributes,
+  convertToCSV
+} from '../../utils'
+import { BaseJobExecutor } from '../../job-execution/JobExecutor'
+import { parseWeboutResponse } from '../../utils/parseWeboutResponse'
+
+export interface WaitingRequstPromise {
+  promise: Promise<any> | null
+  resolve: any
+  reject: any
+}
+export class WebJobExecutor extends BaseJobExecutor {
+  constructor(
+    serverUrl: string,
+    serverType: ServerType,
+    private jobsPath: string,
+    private requestClient: RequestClient
+  ) {
+    super(serverUrl, serverType)
+  }
+
+  async execute(
+    sasJob: string,
+    data: any,
+    config: any,
+    loginRequiredCallback?: any,
+    authConfig?: AuthConfig,
+    extraResponseAttributes: ExtraResponseAttributes[] = []
+  ) {
+    const loginCallback = loginRequiredCallback
+    const program = isRelativePath(sasJob)
+      ? config.appLoc
+        ? config.appLoc.replace(/\/?$/, '/') + sasJob.replace(/^\//, '')
+        : sasJob
+      : sasJob
+    let apiUrl = `${config.serverUrl}${this.jobsPath}/?${'_program=' + program}`
+
+    let requestParams = {
+      ...this.getRequestParams(config)
+    }
+
+    let formData = new FormData()
+
+    if (data) {
+      try {
+        formData = generateFileUploadForm(formData, data)
+      } catch (e: any) {
+        return Promise.reject(new ErrorResponse(e?.message, e))
+      }
+    }
+
+    for (const key in requestParams) {
+      if (requestParams.hasOwnProperty(key)) {
+        formData.append(key, requestParams[key])
+      }
+    }
+
+    const requestPromise = new Promise((resolve, reject) => {
+      this.requestClient!.post(apiUrl, formData, authConfig?.access_token)
+        .then(async (res: any) => {
+          this.requestClient!.appendRequest(res, sasJob, config.debug)
+
+          const jsonResponse =
+            config.debug && typeof res.result === 'string'
+              ? parseWeboutResponse(res.result, apiUrl)
+              : res.result
+
+          const responseObject = appendExtraResponseAttributes(
+            { result: jsonResponse, log: res.log },
+            extraResponseAttributes
+          )
+          resolve(responseObject)
+        })
+        .catch(async (e: Error) => {
+          if (e instanceof JobExecutionError) {
+            this.requestClient!.appendRequest(e, sasJob, config.debug)
+            reject(new ErrorResponse(e?.message, e))
+          }
+
+          if (e instanceof LoginRequiredError) {
+            if (!loginRequiredCallback) {
+              reject(
+                new ErrorResponse(
+                  'Request is not authenticated. Make sure .env file exists with valid credentials.',
+                  e
+                )
+              )
+            }
+
+            this.appendWaitingRequest(() => {
+              return this.execute(
+                sasJob,
+                data,
+                config,
+                loginRequiredCallback,
+                authConfig,
+                extraResponseAttributes
+              ).then(
+                (res: any) => {
+                  resolve(res)
+                },
+                (err: any) => {
+                  reject(err)
+                }
+              )
+            })
+
+            if (loginCallback) await loginCallback()
+          } else reject(new ErrorResponse(e?.message, e))
+        })
+    })
+
+    return requestPromise
+  }
+}
+
+/**
+ * One of the approaches SASjs takes to send tables-formatted JSON (see README)
+ * to SAS is as multipart form data, where each table is provided as a specially
+ * formatted CSV file.
+ */
+const generateFileUploadForm = (formData: FormData, data: any): FormData => {
+  for (const tableName in data) {
+    if (!Array.isArray(data[tableName])) continue
+
+    const name = tableName
+    const csv = convertToCSV(data, tableName)
+
+    if (csv === 'ERROR: LARGE STRING LENGTH') {
+      throw new Error(
+        'The max length of a string value in SASjs is 32765 characters.'
+      )
+    }
+
+    const file = new Blob([csv], {
+      type: 'application/csv'
+    })
+
+    formData.append(name, file, `${name}.csv`)
+  }
+
+  return formData
+}

src/minified/sas9/index.ts

@@ -0,0 +1,3 @@
+import SASjs from './SASjs'
+export * from '../../types'
+export default SASjs

webpack.config.js

@@ -23,8 +23,16 @@ const optimization = {
 }
 
 const browserConfig = {
-  entry: './src/index.ts',
-  devtool: 'inline-source-map',
+  entry: {
+    index: './src/index.ts',
+    minified_sas9: './src/minified/sas9/index.ts'
+  },
+  output: {
+    filename: '[name].js',
+    path: path.resolve(__dirname, 'build'),
+    libraryTarget: 'umd',
+    library: 'SASjs'
+  },
   mode: 'production',
   optimization: optimization,
   module: {
@@ -40,12 +48,6 @@ const browserConfig = {
     extensions: ['.ts', '.js'],
     fallback: { https: false, fs: false, readline: false }
   },
-  output: {
-    filename: 'index.js',
-    path: path.resolve(__dirname, 'build'),
-    libraryTarget: 'umd',
-    library: 'SASjs'
-  },
   plugins: [
     ...defaultPlugins,
     new webpack.ProvidePlugin({
@@ -55,6 +57,18 @@ const browserConfig = {
   ]
 }
 
+const browserConfigWithDevTool = {
+  ...browserConfig,
+  entry: './src/index.ts',
+  output: {
+    filename: 'index-dev.js',
+    path: path.resolve(__dirname, 'build'),
+    libraryTarget: 'umd',
+    library: 'SASjs'
+  },
+  devtool: 'inline-source-map'
+}
+
 const browserConfigWithoutProcessPlugin = {
   entry: browserConfig.entry,
   devtool: browserConfig.devtool,
@@ -76,4 +90,4 @@ const nodeConfig = {
   }
 }
 
-module.exports = [browserConfig, nodeConfig]
+module.exports = [browserConfig, browserConfigWithDevTool, nodeConfig]