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breeze-client

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Breeze data management for JavaScript clients

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import { config, core } from 'breeze-client'; export class AjaxJQueryAdapter { name; defaultSettings; requestInterceptor; jQuery; constructor() { this.name = "jQuery"; this.defaultSettings = {}; this.requestInterceptor = undefined; } static register(breezeConfig) { breezeConfig = breezeConfig || config; breezeConfig.registerAdapter("ajax", AjaxJQueryAdapter); return breezeConfig.initializeAdapterInstance("ajax", "jQuery", true); } initialize() { this.jQuery = jQuery; // look for the jQuery lib but don't fail immediately if not found if (!jQuery) { this.jQuery = core.requireLib("jQuery;jquery"); } } ajax(config) { if (!this.jQuery) { throw new Error("Unable to locate jQuery"); } let jqConfig = { type: config.type, url: config.url, data: config.params || config.data, dataType: config.dataType, contentType: config.contentType, crossDomain: config.crossDomain, headers: config.headers || {} }; if (!core.isEmpty(this.defaultSettings)) { let compositeConfig = core.extend({}, this.defaultSettings); jqConfig = core.extend(compositeConfig, jqConfig); // extend is shallow; extend headers separately let headers = core.extend({}, this.defaultSettings.headers); // copy default headers 1st jqConfig.headers = core.extend(headers, jqConfig.headers); } let requestInfo = { adapter: this, config: jqConfig, dsaConfig: config, success: successFn, error: errorFn, // adapter's error callback }; if (core.isFunction(this.requestInterceptor)) { let ri = this.requestInterceptor; ri(requestInfo); if (ri.oneTime) { this.requestInterceptor = undefined; } } if (requestInfo.config) { // exists unless requestInterceptor killed it. requestInfo.jqXHR = this.jQuery.ajax(requestInfo.config) .done(requestInfo.success) .fail(requestInfo.error); } function successFn(data, statusText, jqXHR) { let httpResponse = { config: config, data: data, getHeaders: getHeadersFn(jqXHR), status: jqXHR.status, statusText: statusText }; config.success(httpResponse); // TODO: not sure how to do this or if needed. // jqXHR.onreadystatechange = null; // jqXHR.abort = null; } function errorFn(jqXHR, statusText, errorThrown) { let httpResponse = { config: config, data: jqXHR.responseText, error: errorThrown, getHeaders: getHeadersFn(jqXHR), status: jqXHR.status, statusText: statusText }; config.error(httpResponse); // TODO: not sure how to do this or if needed. // jqXHR.onreadystatechange = null; // jqXHR.abort = null; } } } config.registerAdapter("ajax", AjaxJQueryAdapter); function getHeadersFn(jqXHR) { if (jqXHR.status === 0) { // timeout or abort; no headers return function (headerName) { return (headerName && headerName.length > 0) ? "" : {}; }; } else { // jqXHR should have header functions return function (headerName) { return (headerName && headerName.length > 0) ? jqXHR.getResponseHeader(headerName) : jqXHR.getAllResponseHeaders(); }; } } //# 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{ AjaxAdapter, AjaxConfig, AjaxRequestInterceptor, BreezeConfig, config, core } from 'breeze-client';\r\n\r\ndeclare var jQuery: any;\r\n\r\nexport class AjaxJQueryAdapter implements AjaxAdapter {\r\n  name: string;\r\n  defaultSettings: { headers?: { [name: string]: string } };\r\n  requestInterceptor?: AjaxRequestInterceptor;\r\n  jQuery: any;\r\n\r\n  constructor() {\r\n    this.name = \"jQuery\";\r\n    this.defaultSettings = { };\r\n    this.requestInterceptor = undefined;\r\n  }\r\n\r\n  static register(breezeConfig?: BreezeConfig) {\r\n    breezeConfig = breezeConfig || config;\r\n    breezeConfig.registerAdapter(\"ajax\", AjaxJQueryAdapter);\r\n    return breezeConfig.initializeAdapterInstance(\"ajax\", \"jQuery\", true) as AjaxJQueryAdapter;\r\n  }\r\n\r\n  initialize() {\r\n    this.jQuery = jQuery;\r\n    // look for the jQuery lib but don't fail immediately if not found\r\n    if (!jQuery) {\r\n      this.jQuery = core.requireLib(\"jQuery;jquery\");\r\n    }\r\n  }\r\n\r\n  ajax(config: AjaxConfig) {\r\n    if (!this.jQuery) {\r\n      throw new Error(\"Unable to locate jQuery\");\r\n    }\r\n    let jqConfig = {\r\n      type: config.type,\r\n      url: config.url,\r\n      data: config.params || config.data,\r\n      dataType: config.dataType,\r\n      contentType: config.contentType,\r\n      crossDomain: config.crossDomain,\r\n      headers: config.headers || {}\r\n    };\r\n\r\n    if (!core.isEmpty(this.defaultSettings)) {\r\n      let compositeConfig = core.extend({}, this.defaultSettings);\r\n      jqConfig = core.extend(compositeConfig, jqConfig) as any;\r\n      // extend is shallow; extend headers separately\r\n      let headers = core.extend({}, this.defaultSettings.headers); // copy default headers 1st\r\n      jqConfig.headers = core.extend(headers, jqConfig.headers);\r\n    }\r\n\r\n    let requestInfo = {\r\n      adapter: this,      // this adapter\r\n      config: jqConfig,   // jQuery's ajax 'settings' object\r\n      dsaConfig: config,  // the config arg from the calling Breeze DataServiceAdapter\r\n      success: successFn, // adapter's success callback\r\n      error: errorFn,      // adapter's error callback\r\n    };\r\n\r\n    if (core.isFunction(this.requestInterceptor)) {\r\n      let ri = this.requestInterceptor as any;\r\n      ri(requestInfo);\r\n      if (ri.oneTime) {\r\n        this.requestInterceptor = undefined;\r\n      }\r\n    }\r\n\r\n    if (requestInfo.config) { // exists unless requestInterceptor killed it.\r\n      (requestInfo as any).jqXHR = this.jQuery.ajax(requestInfo.config)\r\n        .done(requestInfo.success)\r\n        .fail(requestInfo.error);\r\n    }\r\n\r\n    function successFn(data: any, statusText: string, jqXHR: XMLHttpRequest) {\r\n      let httpResponse = {\r\n        config: config,\r\n        data: data,\r\n        getHeaders: getHeadersFn(jqXHR),\r\n        status: jqXHR.status,\r\n        statusText: statusText\r\n      };\r\n      config.success(httpResponse);\r\n      // TODO: not sure how to do this or if needed.\r\n      // jqXHR.onreadystatechange = null;\r\n      // jqXHR.abort = null;\r\n    }\r\n\r\n    function errorFn(jqXHR: XMLHttpRequest, statusText: string, errorThrown: any) {\r\n      let httpResponse = {\r\n        config: config,\r\n        data: jqXHR.responseText,\r\n        error: errorThrown,\r\n        getHeaders: getHeadersFn(jqXHR),\r\n        status: jqXHR.status,\r\n        statusText: statusText\r\n      };\r\n      config.error(httpResponse);\r\n      // TODO: not sure how to do this or if needed.\r\n      // jqXHR.onreadystatechange = null;\r\n      // jqXHR.abort = null;\r\n    }\r\n  }\r\n}\r\n\r\nconfig.registerAdapter(\"ajax\", AjaxJQueryAdapter);\r\n\r\nfunction getHeadersFn(jqXHR: XMLHttpRequest): any {\r\n  if (jqXHR.status === 0) { // timeout or abort; no headers\r\n    return function (headerName: string) {\r\n      return (headerName && headerName.length > 0) ? \"\" : {};\r\n    };\r\n  } else { // jqXHR should have header functions\r\n    return function (headerName: string) {\r\n      return (headerName && headerName.length > 0) ?\r\n        jqXHR.getResponseHeader(headerName) :\r\n        jqXHR.getAllResponseHeaders();\r\n    };\r\n  }\r\n}\r\n"]}