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| 1 | +import { BTreeNode } from "./btreenode"; |
| 2 | +export declare class ExtendedWindow extends Window { |
| 3 | + DSinJS: { |
| 4 | + BTreeNode: typeof BTreeNode; |
| 5 | + BTree: typeof BTree; |
| 6 | + }; |
| 7 | + BTreeNode: typeof BTreeNode; |
| 8 | + BTree: typeof BTree; |
| 9 | +} |
| 10 | +export declare class BTreeNodeStruct<T> { |
| 11 | + value?: T | null; |
| 12 | + lNode?: BTreeNodeStruct<T> | null; |
| 13 | + rNode?: BTreeNodeStruct<T> | null; |
| 14 | +} |
| 15 | +declare class BTreeRootAttrStruct<T> { |
| 16 | + root?: T; |
| 17 | +} |
| 18 | +declare class BTreeValueAttrStruct<T> { |
| 19 | + value?: T; |
| 20 | +} |
| 21 | +/** |
| 22 | + * BTree main class |
| 23 | + * @class |
| 24 | + * @public |
| 25 | + * @example |
| 26 | + * new BTree(10); |
| 27 | + * new BTree({ root: 10 }); |
| 28 | + * new BTree({ value: 10 }); |
| 29 | + */ |
| 30 | +export declare class BTree<T = any> { |
| 31 | + /** |
| 32 | + * Root node of the binary tree. |
| 33 | + * @type {BTreeNode} |
| 34 | + * @property root |
| 35 | + */ |
| 36 | + root: BTreeNode<T>; |
| 37 | + /** |
| 38 | + * Depth of the binary tree. |
| 39 | + * @type {number} |
| 40 | + * @property depth |
| 41 | + */ |
| 42 | + depth: number; |
| 43 | + /** |
| 44 | + * Constructor for Binary Tree. |
| 45 | + * @param {BTreeRootAttrStruct|BTreeValueAttrStruct|T} attr Can be of type object, string, number. In case of object root/value property is expected to be value of root node. |
| 46 | + * @constructor |
| 47 | + */ |
| 48 | + constructor(attr: BTreeRootAttrStruct<T> | BTreeValueAttrStruct<T> | T); |
| 49 | + /** |
| 50 | + * Returns string value of given tree. |
| 51 | + * @method toString |
| 52 | + * @member |
| 53 | + * @public |
| 54 | + * @example |
| 55 | + * var tree = new BTree(10); |
| 56 | + * tree.insert(10); |
| 57 | + * tree.insert(20); |
| 58 | + * tree.insert(30); |
| 59 | + * tree.toString(); // "10102030" |
| 60 | + */ |
| 61 | + toString(): string; |
| 62 | + /** |
| 63 | + * Returns JSON Form. |
| 64 | + * @method toJSON |
| 65 | + * @member |
| 66 | + * @public |
| 67 | + * @returns {BTreeNodeStruct} Returns json form of a given tree. |
| 68 | + * @example |
| 69 | + * var tree = new BTree(10); |
| 70 | + * tree.insert(20); |
| 71 | + * tree.toJSON(); // {value:10,lNode:{value:20,lNode:null,rNode:null},rNode:null} |
| 72 | + */ |
| 73 | + toJSON(): import("./btreenode").BTreeNodeStruct<T>; |
| 74 | + /** |
| 75 | + * Returns array value. |
| 76 | + * @method toArray |
| 77 | + * @member |
| 78 | + * @public |
| 79 | + * @returns {Array<BTreeNode>} Returns array form of given tree. |
| 80 | + * @example |
| 81 | + * var tree = new BTree(10); |
| 82 | + * tree.insert(20); |
| 83 | + * tree.toArray(); // => [{value:10,...},{value:20,...}] |
| 84 | + */ |
| 85 | + toArray(): BTreeNode<T>[]; |
| 86 | + /** |
| 87 | + * Returns array of values of the tree. |
| 88 | + * @method toFlatArray |
| 89 | + * @member |
| 90 | + * @public |
| 91 | + * @returns {Array<T>} Returns array form of given tree. |
| 92 | + * @example |
| 93 | + * var tree = new BTree(10); |
| 94 | + * tree.insert(20); |
| 95 | + * tree.toFlatArray(); // => [10,20] |
| 96 | + */ |
| 97 | + toFlatArray(): T[]; |
| 98 | + /** |
| 99 | + * Inserts the given value to the tree where first free left child node is found. |
| 100 | + * @param {any} val any type of value to be added to tree node. |
| 101 | + * @returns {BTreeNode} Returns newly created BTreeNode. |
| 102 | + * @method insert |
| 103 | + * @member |
| 104 | + * @example |
| 105 | + * var tree = new BTree(10); |
| 106 | + * tree.insert(10); |
| 107 | + * tree.insert(20); |
| 108 | + * tree.insert(30); |
| 109 | + * tree.toString(); // "10102030" |
| 110 | + */ |
| 111 | + insert(val: T): BTreeNode<T>; |
| 112 | + /** |
| 113 | + * Inserts the given value to the tree where first free left child node is found. |
| 114 | + * @param {T} val any type of value to be added to tree node. |
| 115 | + * @method insertLeftMost |
| 116 | + * @member |
| 117 | + * @returns {BTreeNode<T>} Returns newly created BTreeNode. |
| 118 | + */ |
| 119 | + insertLeftMost(val: T): BTreeNode<T>; |
| 120 | + /** |
| 121 | + * Inserts the given value to the tree where first free right child node is found. |
| 122 | + * @param {T} val any type of value to be added to tree node. |
| 123 | + * @method insertRightMost |
| 124 | + * @member |
| 125 | + * @public |
| 126 | + * @returns {BTreeNode<T>} Returns newly created BTreeNode. |
| 127 | + */ |
| 128 | + insertRightMost(val: T): BTreeNode<T>; |
| 129 | + /** |
| 130 | + * Deletes given value from tree. |
| 131 | + * Travarsal = Root -> L -> R. |
| 132 | + * @param {T} val Value to be removed. |
| 133 | + * @returns {BTreeNode<T>} Returns removed BTreeNode. |
| 134 | + * @method delete |
| 135 | + * @member |
| 136 | + * @public |
| 137 | + */ |
| 138 | + delete(val: T): BTreeNode<T>; |
| 139 | + /** |
| 140 | + * Inserts given element at given location. If location is already taken then it does not insert any value. |
| 141 | + * @param {T} val value to insert. |
| 142 | + * @param {number} index index at which to append new element to. |
| 143 | + * @method insertAt |
| 144 | + * @member |
| 145 | + * @public |
| 146 | + * @throws UnreachableError |
| 147 | + * @example |
| 148 | + * tree.insertAt(20,2); |
| 149 | + */ |
| 150 | + insertAt(val: T, index: number): void; |
| 151 | + /** |
| 152 | + * Breadth first search. Executes given callback functions with parameters BTreeNode and path index for each node in BFS fashion. |
| 153 | + * @param {{(node: BTreeNode<T>, index: number) => any}} callback A callback function for execution of each node. |
| 154 | + * @method traverseBFS |
| 155 | + * @member |
| 156 | + * @public |
| 157 | + * @returns {void} no value. |
| 158 | + */ |
| 159 | + traverseBFS(callback: (node: BTreeNode<T>, index: number) => any): void; |
| 160 | + /** |
| 161 | + * Depth first search, Executes given callback functions with parameters BTreeNode and path index for each node in DFS fashion. |
| 162 | + * @param {{(node: BTreeNode<T>, index: number) => any}} callback A callback function for execution of each node. |
| 163 | + * @method traverseDFS |
| 164 | + * @member |
| 165 | + * @public |
| 166 | + * @returns {void} no value. |
| 167 | + */ |
| 168 | + traverseDFS(callback: (node: BTreeNode<T>, index: number) => any): void; |
| 169 | + /** |
| 170 | + * Breadth first search. Executes given callback functions with parameters BTreeNode and path index for each node in BFS fashion. |
| 171 | + * @param {{(node: BTreeNode<T>, index: number) => any}} callback A callback function for execution of each node. |
| 172 | + * @method each |
| 173 | + * @member |
| 174 | + * @public |
| 175 | + * @returns {void} no value. |
| 176 | + */ |
| 177 | + each(callback: (node: BTreeNode<T>, index: number) => any): void; |
| 178 | + /** |
| 179 | + * Breadth first search. Executes given callback functions with parameters BTreeNode and path index for each node in BFS fashion. |
| 180 | + * @param {{(node: BTreeNode<T>, index: number) => any}} callback A callback function for execution of each node. |
| 181 | + * @method forEach |
| 182 | + * @member |
| 183 | + * @public |
| 184 | + * @returns {void} no value. |
| 185 | + */ |
| 186 | + forEach(callback: (node: BTreeNode<T>, index: number) => any): void; |
| 187 | + /** |
| 188 | + * Returns an iterable of key, value pairs for every entry in the tree. |
| 189 | + * @method [Symbol.iterator] |
| 190 | + * @member |
| 191 | + * @public |
| 192 | + * @example |
| 193 | + * var tree = new BTree(10); |
| 194 | + * for (const node of tree) { |
| 195 | + * console.log(node.value); // 10 |
| 196 | + * } |
| 197 | + */ |
| 198 | + [Symbol.iterator](): { |
| 199 | + /** |
| 200 | + * @returns { {value: BTreeNode<T>, done: boolean} } |
| 201 | + * @private |
| 202 | + */ |
| 203 | + next(): { |
| 204 | + value: BTreeNode<T>; |
| 205 | + done: boolean; |
| 206 | + }; |
| 207 | + }; |
| 208 | + /** |
| 209 | + * Returns an iterable of key, value pairs for every entry in the tree. |
| 210 | + * @method entries |
| 211 | + * @member |
| 212 | + * @public |
| 213 | + * @returns {IterableIterator<[number, BTreeNode<T>]>} Iterable for iterations. |
| 214 | + * @example |
| 215 | + * var tree = new BTree(10); |
| 216 | + * for (const [index, node] of tree.entries()) { |
| 217 | + * console.log(index, node.value); // 0, 10 |
| 218 | + * } |
| 219 | + */ |
| 220 | + entries(): IterableIterator<[number, BTreeNode<T>]>; |
| 221 | + /** |
| 222 | + * Maps current tree values to a new tree with modifying the values using given callback function. |
| 223 | + * Uses BFS. |
| 224 | + * @param {{(value: T) => T}} callback callback function for value modifier. |
| 225 | + * @method map |
| 226 | + * @member |
| 227 | + * @public |
| 228 | + * @returns {BTree<T>} A new BTree |
| 229 | + * @example |
| 230 | + * var tree = BTree.fromArray([10, 20, 30, 40]); |
| 231 | + * var tree2 = tree.map(n => n * 2); |
| 232 | + * var arr2 = tree2.toArray(); // [{value:20,...},{value:40,...},{value:60,...},{value:80,...}] |
| 233 | + */ |
| 234 | + map(callback: (value: T) => T): BTree<T>; |
| 235 | + /** |
| 236 | + * Filters each item based on given filter function |
| 237 | + * @param {{(value: T) => boolean}} filterFnc callback function for filtering purpose. |
| 238 | + * @method filter |
| 239 | + * @member |
| 240 | + * @public |
| 241 | + * @throws FilteredRootError, Error when root node gets filtered out. |
| 242 | + * @returns {BTree<T>} New filtered instance of tree. |
| 243 | + * @example |
| 244 | + * var tree = BTree.fromArray([10, 20, 30, 40]); |
| 245 | + * var tree2 = tree.filter(n => !!(n % 4 === 0 || n === 10)); |
| 246 | + * var arr2 = tree2.toArray(); // [{value:10,...},{value:20,...},{value:40,...}] |
| 247 | + */ |
| 248 | + filter(filterFnc: (value: T) => boolean): BTree<T>; |
| 249 | + /** |
| 250 | + * Reduces each node values using reduceFunction and returns final value. |
| 251 | + * @param {(next: T2, value: T, index: number, tree: BTree<T>) => T2} reduceFunction callback function for reducing each node value to a final value. |
| 252 | + * @param {T2} initialValue Optional, Accumulator/Initial value. |
| 253 | + * @method reduce<T2> |
| 254 | + * @member |
| 255 | + * @public |
| 256 | + * @returns {T2} Returns reduceed value |
| 257 | + * @example |
| 258 | + * var tree = BTree.fromArray([10, 20, 30, 40]); |
| 259 | + * var sum = tree.reduce((acc, node) => acc + node); // => 100 |
| 260 | + */ |
| 261 | + reduce<T2 = any>(reduceFunction: (next: T2, value: T, index: number, tree: BTree<T>) => T2, initialValue?: T2): T2; |
| 262 | + /** |
| 263 | + * Reverses the current Binary Tree, Left Node becomes Right node and vise versa. |
| 264 | + * Does not return new instance, returns current tree instance. |
| 265 | + * @method reverse |
| 266 | + * @member |
| 267 | + * @public |
| 268 | + * @returns {BTree<T>} Returns current tree instance. |
| 269 | + * @example |
| 270 | + * var tree = BTree.fromArray([10, 20, 30, 40, 50, 60, 70, 80]); |
| 271 | + * tree.reverse().toArray(); // => [10, 30, 20, 70, 60, 50, 40, 80] |
| 272 | + */ |
| 273 | + reverse(): BTree<T>; |
| 274 | + /** |
| 275 | + * Returns first index of a value matched, if it is not present, it returns -1. |
| 276 | + * @param {T} value Any value to find. |
| 277 | + * @method indexOf |
| 278 | + * @member |
| 279 | + * @public |
| 280 | + * @returns {number} Returns index of given item. |
| 281 | + * @example |
| 282 | + * var tree = BTree.fromArray([10, 20, 30, 40, 50, 60, 70, 80]); |
| 283 | + * tree.indexOf(30); // => 3 |
| 284 | + * tree.indexOf(51); // => -1 |
| 285 | + */ |
| 286 | + indexOf(value: T): number; |
| 287 | + /** |
| 288 | + * Checks if given item exists or not, returns boolean. |
| 289 | + * @param {T} value Any value to check if it exists or not. |
| 290 | + * @method includes |
| 291 | + * @member |
| 292 | + * @public |
| 293 | + * @returns {boolean} Returns true if it is present, otherwise false. |
| 294 | + * @example |
| 295 | + * var tree = BTree.fromArray([10, 20, 30, 40, 50, 60, 70, 80]); |
| 296 | + * tree.includes(30); // true |
| 297 | + * tree.includes(51); // false |
| 298 | + */ |
| 299 | + includes(value: T): boolean; |
| 300 | + /** |
| 301 | + * Checks if given item exists or not, returns boolean. |
| 302 | + * @param {T} value Any value to check if it exists or not. |
| 303 | + * @method exists |
| 304 | + * @member |
| 305 | + * @public |
| 306 | + * @returns {boolean} Returns true if it is present, otherwise false. |
| 307 | + * @example |
| 308 | + * var tree = BTree.fromArray([10, 20, 30, 40, 50, 60, 70, 80]); |
| 309 | + * tree.exists(30); // true |
| 310 | + * tree.exists(51); // false |
| 311 | + */ |
| 312 | + exists(value: T): boolean; |
| 313 | + /** |
| 314 | + * Checks if given item exists or not, returns boolean. |
| 315 | + * @param {T} value Any value to check if it exists or not. |
| 316 | + * @method has |
| 317 | + * @member |
| 318 | + * @public |
| 319 | + * @returns {boolean} Returns true if it is present, otherwise false. |
| 320 | + * @example |
| 321 | + * var tree = BTree.fromArray([10, 20, 30, 40, 50, 60, 70, 80]); |
| 322 | + * tree.has(30); // true |
| 323 | + * tree.has(51); // false |
| 324 | + */ |
| 325 | + has(value: T): boolean; |
| 326 | + /** |
| 327 | + * Sorts the tree based on compare function, Has option to sort only at children level. |
| 328 | + * @param {Function} compareFnc Function used to determine the order of the elements. It is expected to return |
| 329 | + * a negative value if first argument is less than second argument, zero if they're equal and a positive |
| 330 | + * value otherwise. If omitted, the elements are sorted in ascending, ASCII character order. |
| 331 | + * ```ts |
| 332 | + * (a, b) => a - b) |
| 333 | + * ``` |
| 334 | + * @param {boolean} atOnlyFirstChildLevel Optiona, Flag to specify if first child of each node should sorted. Default is `false`. |
| 335 | + * @method sort |
| 336 | + * @member |
| 337 | + * @public |
| 338 | + * @returns {void} Returns undefined. |
| 339 | + * @example |
| 340 | + * var tree = BTree.fromArray([10, 200, 100, 50, 60, 90, 5, 3]); |
| 341 | + * tree.sort().toFlatArray(); // => [3,5,10,50,60,90,100,200] |
| 342 | + */ |
| 343 | + sort(compareFnc?: <T2>(a: T2, b: T2) => number, atOnlyFirstChildLevel?: boolean): void; |
| 344 | + /** |
| 345 | + * Prints entire tree on the console, useful for logging and checking status. |
| 346 | + * @method print |
| 347 | + * @member |
| 348 | + * @public |
| 349 | + * @returns {void} Returns undefined. |
| 350 | + * @example |
| 351 | + * var tree = BTree.fromArray([1, 2, 3]); |
| 352 | + * tree.print(); |
| 353 | + * 1 (1) |
| 354 | + * |- 2 (2) |
| 355 | + * |- 3 (3) |
| 356 | + */ |
| 357 | + print(): void; |
| 358 | + /** |
| 359 | + * Returns the first matched tree node. Traverses using BFS. |
| 360 | + * @param {T} item any value to find inside the tree. |
| 361 | + * @method find |
| 362 | + * @member |
| 363 | + * @public |
| 364 | + * @returns {BTreeNode<T> | null} Returns the first matched tree node, if not found, returns null. |
| 365 | + * @example |
| 366 | + */ |
| 367 | + find(item: T): BTreeNode<T> | null; |
| 368 | + /** |
| 369 | + * Returns index value from given path. |
| 370 | + * @param {Array<'U'|'L'|'R'>} path Array for U L or R, which represents the quickest path to get to a node. |
| 371 | + * @returns {number} Returns index value. |
| 372 | + * @method getIndexFromPath |
| 373 | + * @public |
| 374 | + * @static |
| 375 | + * @member |
| 376 | + */ |
| 377 | + static getIndexFromPath(path: Array<'U' | 'L' | 'R'>): number; |
| 378 | + /** |
| 379 | + * Returns Path equivalent to the given index. |
| 380 | + * @param {number} index Index number from which path to be calculated. |
| 381 | + * @returns {Array<'U'|'L'|'R'>} Path equivalent to the given index. |
| 382 | + * @method getPathFromIndex |
| 383 | + * @public |
| 384 | + * @static |
| 385 | + */ |
| 386 | + static getPathFromIndex(index: number): Array<'U' | 'L' | 'R'>; |
| 387 | + /** |
| 388 | + * Converts given values into a Binary Tree. |
| 389 | + * @param {T2[]} arr Any array of values. |
| 390 | + * @returns {BTree<T2>} Newly generated tree. |
| 391 | + * @method fromArray |
| 392 | + * @static |
| 393 | + * @public |
| 394 | + * @example |
| 395 | + * var tree = BTree.fromArray([10,20,30,40]); |
| 396 | + */ |
| 397 | + static fromArray<T2>(arr: T2[]): BTree<T2>; |
| 398 | +} |
| 399 | +export {}; |
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