linked-list.class.js 30 KB

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  1. /**
  2. * @fileoverview added by tsickle
  3. * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
  4. */
  5. /**
  6. * @template T
  7. */
  8. var /**
  9. * @template T
  10. */
  11. LinkedList = /** @class */ (function () {
  12. function LinkedList() {
  13. this.length = 0;
  14. this.asArray = [];
  15. // Array methods overriding END
  16. }
  17. /**
  18. * @param {?} position
  19. * @return {?}
  20. */
  21. LinkedList.prototype.get = /**
  22. * @param {?} position
  23. * @return {?}
  24. */
  25. function (position) {
  26. if (this.length === 0 || position < 0 || position >= this.length) {
  27. return void 0;
  28. }
  29. /** @type {?} */
  30. var current = this.head;
  31. for (var index = 0; index < position; index++) {
  32. current = current.next;
  33. }
  34. return current.value;
  35. };
  36. /**
  37. * @param {?} value
  38. * @param {?=} position
  39. * @return {?}
  40. */
  41. LinkedList.prototype.add = /**
  42. * @param {?} value
  43. * @param {?=} position
  44. * @return {?}
  45. */
  46. function (value, position) {
  47. if (position === void 0) { position = this.length; }
  48. if (position < 0 || position > this.length) {
  49. throw new Error('Position is out of the list');
  50. }
  51. /* tslint:disable-next-line: no-any*/
  52. /** @type {?} */
  53. var node = {
  54. value: value,
  55. next: undefined,
  56. previous: undefined
  57. };
  58. if (this.length === 0) {
  59. this.head = node;
  60. this.tail = node;
  61. this.current = node;
  62. }
  63. else {
  64. if (position === 0) {
  65. // first node
  66. node.next = this.head;
  67. this.head.previous = node;
  68. this.head = node;
  69. }
  70. else if (position === this.length) {
  71. // last node
  72. this.tail.next = node;
  73. node.previous = this.tail;
  74. this.tail = node;
  75. }
  76. else {
  77. // node in middle
  78. /** @type {?} */
  79. var currentPreviousNode = this.getNode(position - 1);
  80. /** @type {?} */
  81. var currentNextNode = currentPreviousNode.next;
  82. currentPreviousNode.next = node;
  83. currentNextNode.previous = node;
  84. node.previous = currentPreviousNode;
  85. node.next = currentNextNode;
  86. }
  87. }
  88. this.length++;
  89. this.createInternalArrayRepresentation();
  90. };
  91. /**
  92. * @param {?=} position
  93. * @return {?}
  94. */
  95. LinkedList.prototype.remove = /**
  96. * @param {?=} position
  97. * @return {?}
  98. */
  99. function (position) {
  100. if (position === void 0) { position = 0; }
  101. if (this.length === 0 || position < 0 || position >= this.length) {
  102. throw new Error('Position is out of the list');
  103. }
  104. if (position === 0) {
  105. // first node
  106. this.head = this.head.next;
  107. if (this.head) {
  108. // there is no second node
  109. this.head.previous = undefined;
  110. }
  111. else {
  112. // there is no second node
  113. this.tail = undefined;
  114. }
  115. }
  116. else if (position === this.length - 1) {
  117. // last node
  118. this.tail = this.tail.previous;
  119. this.tail.next = undefined;
  120. }
  121. else {
  122. // middle node
  123. /** @type {?} */
  124. var removedNode = this.getNode(position);
  125. removedNode.next.previous = removedNode.previous;
  126. removedNode.previous.next = removedNode.next;
  127. }
  128. this.length--;
  129. this.createInternalArrayRepresentation();
  130. };
  131. /**
  132. * @param {?} position
  133. * @param {?} value
  134. * @return {?}
  135. */
  136. LinkedList.prototype.set = /**
  137. * @param {?} position
  138. * @param {?} value
  139. * @return {?}
  140. */
  141. function (position, value) {
  142. if (this.length === 0 || position < 0 || position >= this.length) {
  143. throw new Error('Position is out of the list');
  144. }
  145. /** @type {?} */
  146. var node = this.getNode(position);
  147. node.value = value;
  148. this.createInternalArrayRepresentation();
  149. };
  150. /**
  151. * @return {?}
  152. */
  153. LinkedList.prototype.toArray = /**
  154. * @return {?}
  155. */
  156. function () {
  157. return this.asArray;
  158. };
  159. /* tslint:disable-next-line: no-any*/
  160. /* tslint:disable-next-line: no-any*/
  161. /**
  162. * @param {?} fn
  163. * @return {?}
  164. */
  165. LinkedList.prototype.findAll = /* tslint:disable-next-line: no-any*/
  166. /**
  167. * @param {?} fn
  168. * @return {?}
  169. */
  170. function (fn) {
  171. /** @type {?} */
  172. var current = this.head;
  173. /* tslint:disable-next-line: no-any*/
  174. /** @type {?} */
  175. var result = [];
  176. for (var index = 0; index < this.length; index++) {
  177. if (fn(current.value, index)) {
  178. result.push({ index: index, value: current.value });
  179. }
  180. current = current.next;
  181. }
  182. return result;
  183. };
  184. // Array methods overriding start
  185. // Array methods overriding start
  186. /**
  187. * @param {...?} args
  188. * @return {?}
  189. */
  190. LinkedList.prototype.push =
  191. // Array methods overriding start
  192. /**
  193. * @param {...?} args
  194. * @return {?}
  195. */
  196. function () {
  197. var _this = this;
  198. var args = [];
  199. for (var _i = 0; _i < arguments.length; _i++) {
  200. args[_i] = arguments[_i];
  201. }
  202. /* tslint:disable-next-line: no-any*/
  203. args.forEach((/**
  204. * @param {?} arg
  205. * @return {?}
  206. */
  207. function (arg) {
  208. _this.add(arg);
  209. }));
  210. return this.length;
  211. };
  212. /**
  213. * @return {?}
  214. */
  215. LinkedList.prototype.pop = /**
  216. * @return {?}
  217. */
  218. function () {
  219. if (this.length === 0) {
  220. return undefined;
  221. }
  222. /** @type {?} */
  223. var last = this.tail;
  224. this.remove(this.length - 1);
  225. return last.value;
  226. };
  227. /**
  228. * @param {...?} args
  229. * @return {?}
  230. */
  231. LinkedList.prototype.unshift = /**
  232. * @param {...?} args
  233. * @return {?}
  234. */
  235. function () {
  236. var _this = this;
  237. var args = [];
  238. for (var _i = 0; _i < arguments.length; _i++) {
  239. args[_i] = arguments[_i];
  240. }
  241. args.reverse();
  242. /* tslint:disable-next-line: no-any*/
  243. args.forEach((/**
  244. * @param {?} arg
  245. * @return {?}
  246. */
  247. function (arg) {
  248. _this.add(arg, 0);
  249. }));
  250. return this.length;
  251. };
  252. /**
  253. * @return {?}
  254. */
  255. LinkedList.prototype.shift = /**
  256. * @return {?}
  257. */
  258. function () {
  259. if (this.length === 0) {
  260. return undefined;
  261. }
  262. /** @type {?} */
  263. var lastItem = this.head.value;
  264. this.remove();
  265. return lastItem;
  266. };
  267. /* tslint:disable-next-line: no-any*/
  268. /* tslint:disable-next-line: no-any*/
  269. /**
  270. * @param {?} fn
  271. * @return {?}
  272. */
  273. LinkedList.prototype.forEach = /* tslint:disable-next-line: no-any*/
  274. /**
  275. * @param {?} fn
  276. * @return {?}
  277. */
  278. function (fn) {
  279. /** @type {?} */
  280. var current = this.head;
  281. for (var index = 0; index < this.length; index++) {
  282. fn(current.value, index);
  283. current = current.next;
  284. }
  285. };
  286. /**
  287. * @param {?} value
  288. * @return {?}
  289. */
  290. LinkedList.prototype.indexOf = /**
  291. * @param {?} value
  292. * @return {?}
  293. */
  294. function (value) {
  295. /** @type {?} */
  296. var current = this.head;
  297. /** @type {?} */
  298. var position = 0;
  299. for (var index = 0; index < this.length; index++) {
  300. if (current.value === value) {
  301. position = index;
  302. break;
  303. }
  304. current = current.next;
  305. }
  306. return position;
  307. };
  308. /* tslint:disable-next-line: no-any*/
  309. /* tslint:disable-next-line: no-any*/
  310. /**
  311. * @param {?} fn
  312. * @return {?}
  313. */
  314. LinkedList.prototype.some = /* tslint:disable-next-line: no-any*/
  315. /**
  316. * @param {?} fn
  317. * @return {?}
  318. */
  319. function (fn) {
  320. /** @type {?} */
  321. var current = this.head;
  322. /** @type {?} */
  323. var result = false;
  324. while (current && !result) {
  325. if (fn(current.value)) {
  326. result = true;
  327. break;
  328. }
  329. current = current.next;
  330. }
  331. return result;
  332. };
  333. /* tslint:disable-next-line: no-any*/
  334. /* tslint:disable-next-line: no-any*/
  335. /**
  336. * @param {?} fn
  337. * @return {?}
  338. */
  339. LinkedList.prototype.every = /* tslint:disable-next-line: no-any*/
  340. /**
  341. * @param {?} fn
  342. * @return {?}
  343. */
  344. function (fn) {
  345. /** @type {?} */
  346. var current = this.head;
  347. /** @type {?} */
  348. var result = true;
  349. while (current && result) {
  350. if (!fn(current.value)) {
  351. result = false;
  352. }
  353. current = current.next;
  354. }
  355. return result;
  356. };
  357. /**
  358. * @return {?}
  359. */
  360. LinkedList.prototype.toString = /**
  361. * @return {?}
  362. */
  363. function () {
  364. return '[Linked List]';
  365. };
  366. /* tslint:disable-next-line: no-any*/
  367. /* tslint:disable-next-line: no-any*/
  368. /**
  369. * @param {?} fn
  370. * @return {?}
  371. */
  372. LinkedList.prototype.find = /* tslint:disable-next-line: no-any*/
  373. /**
  374. * @param {?} fn
  375. * @return {?}
  376. */
  377. function (fn) {
  378. /** @type {?} */
  379. var current = this.head;
  380. /** @type {?} */
  381. var result;
  382. for (var index = 0; index < this.length; index++) {
  383. if (fn(current.value, index)) {
  384. result = current.value;
  385. break;
  386. }
  387. current = current.next;
  388. }
  389. return result;
  390. };
  391. /* tslint:disable-next-line: no-any*/
  392. /* tslint:disable-next-line: no-any*/
  393. /**
  394. * @param {?} fn
  395. * @return {?}
  396. */
  397. LinkedList.prototype.findIndex = /* tslint:disable-next-line: no-any*/
  398. /**
  399. * @param {?} fn
  400. * @return {?}
  401. */
  402. function (fn) {
  403. /** @type {?} */
  404. var current = this.head;
  405. /** @type {?} */
  406. var result;
  407. for (var index = 0; index < this.length; index++) {
  408. if (fn(current.value, index)) {
  409. result = index;
  410. break;
  411. }
  412. current = current.next;
  413. }
  414. return result;
  415. };
  416. /* tslint:disable-next-line: no-any*/
  417. /* tslint:disable-next-line: no-any*/
  418. /**
  419. * @protected
  420. * @param {?} position
  421. * @return {?}
  422. */
  423. LinkedList.prototype.getNode = /* tslint:disable-next-line: no-any*/
  424. /**
  425. * @protected
  426. * @param {?} position
  427. * @return {?}
  428. */
  429. function (position) {
  430. if (this.length === 0 || position < 0 || position >= this.length) {
  431. throw new Error('Position is out of the list');
  432. }
  433. /** @type {?} */
  434. var current = this.head;
  435. for (var index = 0; index < position; index++) {
  436. current = current.next;
  437. }
  438. return current;
  439. };
  440. /**
  441. * @protected
  442. * @return {?}
  443. */
  444. LinkedList.prototype.createInternalArrayRepresentation = /**
  445. * @protected
  446. * @return {?}
  447. */
  448. function () {
  449. /* tslint:disable-next-line: no-any*/
  450. /** @type {?} */
  451. var outArray = [];
  452. /** @type {?} */
  453. var current = this.head;
  454. while (current) {
  455. outArray.push(current.value);
  456. current = current.next;
  457. }
  458. this.asArray = outArray;
  459. };
  460. return LinkedList;
  461. }());
  462. /**
  463. * @template T
  464. */
  465. export { LinkedList };
  466. if (false) {
  467. /** @type {?} */
  468. LinkedList.prototype.length;
  469. /**
  470. * @type {?}
  471. * @protected
  472. */
  473. LinkedList.prototype.head;
  474. /**
  475. * @type {?}
  476. * @protected
  477. */
  478. LinkedList.prototype.tail;
  479. /**
  480. * @type {?}
  481. * @protected
  482. */
  483. LinkedList.prototype.current;
  484. /**
  485. * @type {?}
  486. * @protected
  487. */
  488. LinkedList.prototype.asArray;
  489. }
  490. //# 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class LinkedList<T> {\n  length = 0;\n  /* tslint:disable-next-line: no-any*/\n  protected head: any;\n  /* tslint:disable-next-line: no-any*/\n  protected tail: any;\n  /* tslint:disable-next-line: no-any*/\n  protected current: any;\n  protected asArray: T[] = [];\n\n  get(position: number): T {\n    if (this.length === 0 || position < 0 || position >= this.length) {\n      return void 0;\n    }\n\n    let current = this.head;\n\n    for (let index = 0; index < position; index++) {\n      current = current.next;\n    }\n\n    return current.value;\n  }\n\n  add(value: T, position: number = this.length): void {\n    if (position < 0 || position > this.length) {\n      throw new Error('Position is out of the list');\n    }\n\n    /* tslint:disable-next-line: no-any*/\n    const node: any = {\n      value,\n      next: undefined,\n      previous: undefined\n    };\n\n    if (this.length === 0) {\n      this.head = node;\n      this.tail = node;\n      this.current = node;\n    } else {\n      if (position === 0) {\n        // first node\n        node.next = this.head;\n        this.head.previous = node;\n        this.head = node;\n      } else if (position === this.length) {\n        // last node\n        this.tail.next = node;\n        node.previous = this.tail;\n        this.tail = node;\n      } else {\n        // node in middle\n        const currentPreviousNode = this.getNode(position - 1);\n        const currentNextNode = currentPreviousNode.next;\n\n        currentPreviousNode.next = node;\n        currentNextNode.previous = node;\n\n        node.previous = currentPreviousNode;\n        node.next = currentNextNode;\n      }\n    }\n    this.length++;\n    this.createInternalArrayRepresentation();\n  }\n\n  remove(position = 0): void {\n    if (this.length === 0 || position < 0 || position >= this.length) {\n      throw new Error('Position is out of the list');\n    }\n\n    if (position === 0) {\n      // first node\n      this.head = this.head.next;\n\n      if (this.head) {\n        // there is no second node\n        this.head.previous = undefined;\n      } else {\n        // there is no second node\n        this.tail = undefined;\n      }\n    } else if (position === this.length - 1) {\n      // last node\n      this.tail = this.tail.previous;\n      this.tail.next = undefined;\n    } else {\n      // middle node\n      const removedNode = this.getNode(position);\n      removedNode.next.previous = removedNode.previous;\n      removedNode.previous.next = removedNode.next;\n    }\n\n    this.length--;\n    this.createInternalArrayRepresentation();\n  }\n\n  set(position: number, value: T): void {\n    if (this.length === 0 || position < 0 || position >= this.length) {\n      throw new Error('Position is out of the list');\n    }\n\n    const node = this.getNode(position);\n    node.value = value;\n    this.createInternalArrayRepresentation();\n  }\n\n  toArray(): T[] {\n    return this.asArray;\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  findAll(fn: any): any[] {\n    let current = this.head;\n    /* tslint:disable-next-line: no-any*/\n    const result: any[] = [];\n    for (let index = 0; index < this.length; index++) {\n      if (fn(current.value, index)) {\n        result.push({index, value: current.value});\n      }\n      current = current.next;\n    }\n\n    return result;\n  }\n\n  // Array methods overriding start\n  push(...args: T[]): number {\n    /* tslint:disable-next-line: no-any*/\n    args.forEach((arg: any) => {\n      this.add(arg);\n    });\n\n    return this.length;\n  }\n\n  pop(): T {\n    if (this.length === 0) {\n      return undefined;\n    }\n    const last = this.tail;\n    this.remove(this.length - 1);\n\n    return last.value;\n  }\n\n  unshift(...args: T[]): number {\n    args.reverse();\n    /* tslint:disable-next-line: no-any*/\n    args.forEach((arg: any) => {\n      this.add(arg, 0);\n    });\n\n    return this.length;\n  }\n\n  shift(): T {\n    if (this.length === 0) {\n      return undefined;\n    }\n    const lastItem = this.head.value;\n    this.remove();\n\n    return lastItem;\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  forEach(fn: any): void {\n    let current = this.head;\n    for (let index = 0; index < this.length; index++) {\n      fn(current.value, index);\n      current = current.next;\n    }\n  }\n\n  indexOf(value: T): number {\n    let current = this.head;\n    let position = 0;\n\n    for (let index = 0; index < this.length; index++) {\n      if (current.value === value) {\n        position = index;\n        break;\n      }\n      current = current.next;\n    }\n\n    return position;\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  some(fn: any): boolean {\n    let current = this.head;\n    let result = false;\n    while (current && !result) {\n      if (fn(current.value)) {\n        result = true;\n        break;\n      }\n      current = current.next;\n    }\n\n    return result;\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  every(fn: any): boolean {\n    let current = this.head;\n    let result = true;\n    while (current && result) {\n      if (!fn(current.value)) {\n        result = false;\n      }\n      current = current.next;\n    }\n\n    return result;\n  }\n\n  toString(): string {\n    return '[Linked List]';\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  find(fn: any): T {\n    let current = this.head;\n    let result: T;\n    for (let index = 0; index < this.length; index++) {\n      if (fn(current.value, index)) {\n        result = current.value;\n        break;\n      }\n      current = current.next;\n    }\n\n    return result;\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  findIndex(fn: any): number {\n    let current = this.head;\n    let result: number;\n    for (let index = 0; index < this.length; index++) {\n      if (fn(current.value, index)) {\n        result = index;\n        break;\n      }\n      current = current.next;\n    }\n\n    return result;\n  }\n\n  /* tslint:disable-next-line: no-any*/\n  protected getNode(position: number): any {\n    if (this.length === 0 || position < 0 || position >= this.length) {\n      throw new Error('Position is out of the list');\n    }\n\n    let current = this.head;\n\n    for (let index = 0; index < position; index++) {\n      current = current.next;\n    }\n\n    return current;\n  }\n\n  protected createInternalArrayRepresentation(): void {\n    /* tslint:disable-next-line: no-any*/\n    const outArray: any[] = [];\n    let current = this.head;\n\n    while (current) {\n      outArray.push(current.value);\n      current = current.next;\n    }\n    this.asArray = outArray;\n  }\n\n  // Array methods overriding END\n}\n"]}