knockout.d.ts 16 KB

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  1. // Type definitions for Knockout 2.3
  2. // Project: http://knockoutjs.com
  3. // Definitions by: Boris Yankov <https://github.com/borisyankov/>
  4. // Definitions: https://github.com/borisyankov/DefinitelyTyped
  5. interface KnockoutSubscribableFunctions<T> {
  6. notifySubscribers(valueToWrite?: T, event?: string): void;
  7. }
  8. interface KnockoutComputedFunctions<T> {
  9. }
  10. interface KnockoutObservableFunctions<T> {
  11. equalityComparer(a: any, b: any): boolean;
  12. }
  13. interface KnockoutObservableArrayFunctions<T> {
  14. // General Array functions
  15. indexOf(searchElement: T, fromIndex?: number): number;
  16. slice(start: number, end?: number): T[];
  17. splice(start: number): T[];
  18. splice(start: number, deleteCount: number, ...items: T[]): T[];
  19. pop(): T;
  20. push(...items: T[]): void;
  21. shift(): T;
  22. unshift(...items: T[]): number;
  23. reverse(): T[];
  24. sort(): void;
  25. sort(compareFunction: (left: T, right: T) => number): void;
  26. // Ko specific
  27. replace(oldItem: T, newItem: T): void;
  28. remove(item: T): T[];
  29. remove(removeFunction: (item: T) => boolean): T[];
  30. removeAll(items: T[]): T[];
  31. removeAll(): T[];
  32. destroy(item: T): void;
  33. destroyAll(items: T[]): void;
  34. destroyAll(): void;
  35. }
  36. interface KnockoutSubscribableStatic {
  37. fn: KnockoutSubscribableFunctions<any>;
  38. new <T>(): KnockoutSubscribable<T>;
  39. }
  40. interface KnockoutSubscription {
  41. dispose(): void;
  42. }
  43. interface KnockoutSubscribable<T> extends KnockoutSubscribableFunctions<T> {
  44. subscribe(callback: (newValue: T) => void, target?: any, event?: string): KnockoutSubscription;
  45. subscribe<TEvent>(callback: (newValue: TEvent) => void, target: any, event: string): KnockoutSubscription;
  46. extend(requestedExtenders: { [key: string]: any; }): KnockoutSubscribable<T>;
  47. getSubscriptionsCount(): number;
  48. }
  49. interface KnockoutComputedStatic {
  50. fn: KnockoutComputedFunctions<any>;
  51. <T>(): KnockoutComputed<T>;
  52. <T>(func: () => T, context?: any, options?: any): KnockoutComputed<T>;
  53. <T>(def: KnockoutComputedDefine<T>): KnockoutComputed<T>;
  54. (options?: any): KnockoutComputed<any>;
  55. }
  56. interface KnockoutComputed<T> extends KnockoutObservable<T>, KnockoutComputedFunctions<T> {
  57. dispose(): void;
  58. isActive(): boolean;
  59. getDependenciesCount(): number;
  60. extend(requestedExtenders: { [key: string]: any; }): KnockoutComputed<T>;
  61. }
  62. interface KnockoutObservableArrayStatic {
  63. fn: KnockoutObservableArrayFunctions<any>;
  64. <T>(value?: T[]): KnockoutObservableArray<T>;
  65. }
  66. interface KnockoutObservableArray<T> extends KnockoutObservable<T[]>, KnockoutObservableArrayFunctions<T> {
  67. extend(requestedExtenders: { [key: string]: any; }): KnockoutObservableArray<T>;
  68. }
  69. interface KnockoutObservableStatic {
  70. fn: KnockoutObservableFunctions<any>;
  71. <T>(value?: T): KnockoutObservable<T>;
  72. }
  73. interface KnockoutObservable<T> extends KnockoutSubscribable<T>, KnockoutObservableFunctions<T> {
  74. (): T;
  75. (value: T): void;
  76. peek(): T;
  77. valueHasMutated?: { (): void; };
  78. valueWillMutate?: { (): void; };
  79. extend(requestedExtenders: { [key: string]: any; }): KnockoutObservable<T>;
  80. }
  81. interface KnockoutComputedDefine<T> {
  82. read(): T;
  83. write? (value: T): void;
  84. disposeWhenNodeIsRemoved?: Node;
  85. disposeWhen? (): boolean;
  86. owner?: any;
  87. deferEvaluation?: boolean;
  88. }
  89. interface KnockoutBindingContext {
  90. $parent: any;
  91. $parents: any[];
  92. $root: any;
  93. $data: any;
  94. $index?: number;
  95. $parentContext?: KnockoutBindingContext;
  96. extend(properties: any): any;
  97. createChildContext(dataItemOrAccessor: any, dataItemAlias?: any, extendCallback?: Function): any;
  98. }
  99. interface KnockoutBindingHandler {
  100. init? (element: any, valueAccessor: () => any, allBindingsAccessor: () => any, viewModel: any, bindingContext: KnockoutBindingContext): void;
  101. update? (element: any, valueAccessor: () => any, allBindingsAccessor: () => any, viewModel: any, bindingContext: KnockoutBindingContext): void;
  102. options?: any;
  103. }
  104. interface KnockoutBindingHandlers {
  105. [bindingHandler: string]: KnockoutBindingHandler;
  106. // Controlling text and appearance
  107. visible: KnockoutBindingHandler;
  108. text: KnockoutBindingHandler;
  109. html: KnockoutBindingHandler;
  110. css: KnockoutBindingHandler;
  111. style: KnockoutBindingHandler;
  112. attr: KnockoutBindingHandler;
  113. // Control Flow
  114. foreach: KnockoutBindingHandler;
  115. if: KnockoutBindingHandler;
  116. ifnot: KnockoutBindingHandler;
  117. with: KnockoutBindingHandler;
  118. // Working with form fields
  119. click: KnockoutBindingHandler;
  120. event: KnockoutBindingHandler;
  121. submit: KnockoutBindingHandler;
  122. enable: KnockoutBindingHandler;
  123. disable: KnockoutBindingHandler;
  124. value: KnockoutBindingHandler;
  125. hasfocus: KnockoutBindingHandler;
  126. checked: KnockoutBindingHandler;
  127. options: KnockoutBindingHandler;
  128. selectedOptions: KnockoutBindingHandler;
  129. uniqueName: KnockoutBindingHandler;
  130. // Rendering templates
  131. template: KnockoutBindingHandler;
  132. }
  133. interface KnockoutMemoization {
  134. memoize(callback: () => string): string;
  135. unmemoize(memoId: string, callbackParams: any[]): boolean;
  136. unmemoizeDomNodeAndDescendants(domNode: any, extraCallbackParamsArray: any[]): boolean;
  137. parseMemoText(memoText: string): string;
  138. }
  139. interface KnockoutVirtualElement { }
  140. interface KnockoutVirtualElements {
  141. allowedBindings: { [bindingName: string]: boolean; };
  142. emptyNode(node: KnockoutVirtualElement): void;
  143. firstChild(node: KnockoutVirtualElement): KnockoutVirtualElement;
  144. insertAfter(container: KnockoutVirtualElement, nodeToInsert: HTMLElement, insertAfter: HTMLElement): void;
  145. nextSibling(node: KnockoutVirtualElement): HTMLElement;
  146. prepend(node: KnockoutVirtualElement, toInsert: HTMLElement): void;
  147. setDomNodeChildren(node: KnockoutVirtualElement, newChildren: { length: number;[index: number]: HTMLElement; }): void;
  148. childNodes(node: KnockoutVirtualElement): HTMLElement[];
  149. }
  150. interface KnockoutExtenders {
  151. throttle(target: any, timeout: number): KnockoutComputed<any>;
  152. notify(target: any, notifyWhen: string): any;
  153. }
  154. interface KnockoutUtils {
  155. //////////////////////////////////
  156. // utils.domManipulation.js
  157. //////////////////////////////////
  158. simpleHtmlParse(html: string): any[];
  159. jQueryHtmlParse(html: string): any[];
  160. parseHtmlFragment(html: string): any[];
  161. setHtml(node: Element, html: string): void;
  162. setHtml(node: Element, html: () => string): void;
  163. //////////////////////////////////
  164. // utils.domData.js
  165. //////////////////////////////////
  166. domData: {
  167. get(node: Element, key: string): any;
  168. set(node: Element, key: string, value: any): void;
  169. getAll(node: Element, createIfNotFound: boolean): any;
  170. clear(node: Element): boolean;
  171. };
  172. //////////////////////////////////
  173. // utils.domNodeDisposal.js
  174. //////////////////////////////////
  175. domNodeDisposal: {
  176. addDisposeCallback(node: Element, callback: Function): void;
  177. removeDisposeCallback(node: Element, callback: Function): void;
  178. cleanNode(node: Element): Element;
  179. removeNode(node: Element): void;
  180. };
  181. //////////////////////////////////
  182. // utils.js
  183. //////////////////////////////////
  184. fieldsIncludedWithJsonPost: any[];
  185. compareArrays<T>(a: T[], b: T[]): Array<KnockoutArrayChange<T>>;
  186. arrayForEach<T>(array: T[], action: (item: T) => void): void;
  187. arrayIndexOf<T>(array: T[], item: T): number;
  188. arrayFirst<T>(array: T[], predicate: (item: T) => boolean, predicateOwner?: any): T;
  189. arrayRemoveItem(array: any[], itemToRemove: any): void;
  190. arrayGetDistinctValues<T>(array: T[]): T[];
  191. arrayMap<T, U>(array: T[], mapping: (item: T) => U): U[];
  192. arrayFilter<T>(array: T[], predicate: (item: T) => boolean): T[];
  193. arrayPushAll<T>(array: T[], valuesToPush: T[]): T[];
  194. arrayPushAll<T>(array: KnockoutObservableArray<T>, valuesToPush: T[]): T[];
  195. extend(target: Object, source: Object): Object;
  196. emptyDomNode(domNode: HTMLElement): void;
  197. moveCleanedNodesToContainerElement(nodes: any[]): HTMLElement;
  198. cloneNodes(nodesArray: any[], shouldCleanNodes: boolean): any[];
  199. setDomNodeChildren(domNode: any, childNodes: any[]): void;
  200. replaceDomNodes(nodeToReplaceOrNodeArray: any, newNodesArray: any[]): void;
  201. setOptionNodeSelectionState(optionNode: any, isSelected: boolean): void;
  202. stringTrim(str: string): string;
  203. stringTokenize(str: string, delimiter: string): string;
  204. stringStartsWith(str: string, startsWith: string): string;
  205. domNodeIsContainedBy(node: any, containedByNode: any): boolean;
  206. domNodeIsAttachedToDocument(node: any): boolean;
  207. tagNameLower(element: any): string;
  208. registerEventHandler(element: any, eventType: any, handler: Function): void;
  209. triggerEvent(element: any, eventType: any): void;
  210. unwrapObservable<T>(value: KnockoutObservable<T>): T;
  211. peekObservable<T>(value: KnockoutObservable<T>): T;
  212. toggleDomNodeCssClass(node: any, className: string, shouldHaveClass: boolean): void;
  213. //setTextContent(element: any, textContent: string): void; // NOT PART OF THE MINIFIED API SURFACE (ONLY IN knockout-{version}.debug.js) https://github.com/SteveSanderson/knockout/issues/670
  214. setElementName(element: any, name: string): void;
  215. forceRefresh(node: any): void;
  216. ensureSelectElementIsRenderedCorrectly(selectElement: any): void;
  217. range(min: any, max: any): any;
  218. makeArray(arrayLikeObject: any): any[];
  219. getFormFields(form: any, fieldName: string): any[];
  220. parseJson(jsonString: string): any;
  221. stringifyJson(data: any, replacer: Function, space: string): string;
  222. postJson(urlOrForm: any, data: any, options: any): void;
  223. ieVersion: number;
  224. isIe6: boolean;
  225. isIe7: boolean;
  226. }
  227. interface KnockoutArrayChange<T> {
  228. status: string;
  229. value: T;
  230. index: number;
  231. }
  232. //////////////////////////////////
  233. // templateSources.js
  234. //////////////////////////////////
  235. interface KnockoutTemplateSourcesDomElement {
  236. text(valueToWrite?: any): any;
  237. data(key: string, valueToWrite?: any): any;
  238. }
  239. interface KnockoutTemplateSources {
  240. domElement: KnockoutTemplateSourcesDomElement;
  241. anonymousTemplate: {
  242. prototype: KnockoutTemplateSourcesDomElement;
  243. new (element: Element): KnockoutTemplateSourcesDomElement;
  244. };
  245. }
  246. //////////////////////////////////
  247. // nativeTemplateEngine.js
  248. //////////////////////////////////
  249. interface KnockoutNativeTemplateEngine {
  250. renderTemplateSource(templateSource: Object, bindingContext?: KnockoutBindingContext, options?: Object): any[];
  251. }
  252. //////////////////////////////////
  253. // templateEngine.js
  254. //////////////////////////////////
  255. interface KnockoutTemplateEngine extends KnockoutNativeTemplateEngine {
  256. createJavaScriptEvaluatorBlock(script: string): string;
  257. makeTemplateSource(template: any, templateDocument?: Document): any;
  258. renderTemplate(template: any, bindingContext: KnockoutBindingContext, options: Object, templateDocument: Document): any;
  259. isTemplateRewritten(template: any, templateDocument: Document): boolean;
  260. rewriteTemplate(template: any, rewriterCallback: Function, templateDocument: Document): void;
  261. }
  262. /////////////////////////////////
  263. interface KnockoutStatic {
  264. utils: KnockoutUtils;
  265. memoization: KnockoutMemoization;
  266. bindingHandlers: KnockoutBindingHandlers;
  267. virtualElements: KnockoutVirtualElements;
  268. extenders: KnockoutExtenders;
  269. applyBindings(viewModel: any, rootNode?: any): void;
  270. applyBindingsToDescendants(viewModel: any, rootNode: any): void;
  271. applyBindingsToNode(node: Element, options: any, viewModel: any): void;
  272. subscribable: KnockoutSubscribableStatic;
  273. observable: KnockoutObservableStatic;
  274. computed: KnockoutComputedStatic;
  275. observableArray: KnockoutObservableArrayStatic;
  276. contextFor(node: any): any;
  277. isSubscribable(instance: any): boolean;
  278. toJSON(viewModel: any, replacer?: Function, space?: any): string;
  279. toJS(viewModel: any): any;
  280. isObservable(instance: any): boolean;
  281. isWriteableObservable(instance: any): boolean;
  282. isComputed(instance: any): boolean;
  283. dataFor(node: any): any;
  284. removeNode(node: Element): void;
  285. cleanNode(node: Element): Element;
  286. renderTemplate(template: Function, viewModel: any, options?: any, target?: any, renderMode?: any): any;
  287. renderTemplate(template: string, viewModel: any, options?: any, target?: any, renderMode?: any): any;
  288. unwrap(value: any): any;
  289. //////////////////////////////////
  290. // templateSources.js
  291. //////////////////////////////////
  292. templateSources: KnockoutTemplateSources;
  293. //////////////////////////////////
  294. // templateEngine.js
  295. //////////////////////////////////
  296. templateEngine: {
  297. prototype: KnockoutTemplateEngine;
  298. new (): KnockoutTemplateEngine;
  299. };
  300. //////////////////////////////////
  301. // templateRewriting.js
  302. //////////////////////////////////
  303. templateRewriting: {
  304. ensureTemplateIsRewritten(template: Node, templateEngine: KnockoutTemplateEngine, templateDocument: Document): any;
  305. ensureTemplateIsRewritten(template: string, templateEngine: KnockoutTemplateEngine, templateDocument: Document): any;
  306. memoizeBindingAttributeSyntax(htmlString: string, templateEngine: KnockoutTemplateEngine): any;
  307. applyMemoizedBindingsToNextSibling(bindings: any, nodeName: string): string;
  308. };
  309. //////////////////////////////////
  310. // nativeTemplateEngine.js
  311. //////////////////////////////////
  312. nativeTemplateEngine: {
  313. prototype: KnockoutNativeTemplateEngine;
  314. new (): KnockoutNativeTemplateEngine;
  315. instance: KnockoutNativeTemplateEngine;
  316. };
  317. //////////////////////////////////
  318. // jqueryTmplTemplateEngine.js
  319. //////////////////////////////////
  320. jqueryTmplTemplateEngine: {
  321. prototype: KnockoutTemplateEngine;
  322. renderTemplateSource(templateSource: Object, bindingContext: KnockoutBindingContext, options: Object): Node[];
  323. createJavaScriptEvaluatorBlock(script: string): string;
  324. addTemplate(templateName: string, templateMarkup: string): void;
  325. };
  326. //////////////////////////////////
  327. // templating.js
  328. //////////////////////////////////
  329. setTemplateEngine(templateEngine: KnockoutNativeTemplateEngine): void;
  330. renderTemplate(template: Function, dataOrBindingContext: KnockoutBindingContext, options: Object, targetNodeOrNodeArray: Node, renderMode: string): any;
  331. renderTemplate(template: any, dataOrBindingContext: KnockoutBindingContext, options: Object, targetNodeOrNodeArray: Node, renderMode: string): any;
  332. renderTemplate(template: Function, dataOrBindingContext: any, options: Object, targetNodeOrNodeArray: Node, renderMode: string): any;
  333. renderTemplate(template: any, dataOrBindingContext: any, options: Object, targetNodeOrNodeArray: Node, renderMode: string): any;
  334. renderTemplate(template: Function, dataOrBindingContext: KnockoutBindingContext, options: Object, targetNodeOrNodeArray: Node[], renderMode: string): any;
  335. renderTemplate(template: any, dataOrBindingContext: KnockoutBindingContext, options: Object, targetNodeOrNodeArray: Node[], renderMode: string): any;
  336. renderTemplate(template: Function, dataOrBindingContext: any, options: Object, targetNodeOrNodeArray: Node[], renderMode: string): any;
  337. renderTemplate(template: any, dataOrBindingContext: any, options: Object, targetNodeOrNodeArray: Node[], renderMode: string): any;
  338. renderTemplateForEach(template: Function, arrayOrObservableArray: any[], options: Object, targetNode: Node, parentBindingContext: KnockoutBindingContext): any;
  339. renderTemplateForEach(template: any, arrayOrObservableArray: any[], options: Object, targetNode: Node, parentBindingContext: KnockoutBindingContext): any;
  340. renderTemplateForEach(template: Function, arrayOrObservableArray: KnockoutObservable<any>, options: Object, targetNode: Node, parentBindingContext: KnockoutBindingContext): any;
  341. renderTemplateForEach(template: any, arrayOrObservableArray: KnockoutObservable<any>, options: Object, targetNode: Node, parentBindingContext: KnockoutBindingContext): any;
  342. expressionRewriting: {
  343. bindingRewriteValidators: any;
  344. };
  345. /////////////////////////////////
  346. bindingProvider: any;
  347. /////////////////////////////////
  348. // selectExtensions.js
  349. /////////////////////////////////
  350. selectExtensions: {
  351. readValue(element: HTMLElement): any;
  352. writeValue(element: HTMLElement, value: any): void;
  353. };
  354. }
  355. declare module "knockout" {
  356. export = ko;
  357. }
  358. declare var ko: KnockoutStatic;