1/*! ***************************************************************************** 2Copyright (c) Microsoft Corporation. All rights reserved. 3Licensed under the Apache License, Version 2.0 (the "License"); you may not use 4this file except in compliance with the License. You may obtain a copy of the 5License at http://www.apache.org/licenses/LICENSE-2.0 6 7THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 8KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED 9WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 10MERCHANTABLITY OR NON-INFRINGEMENT. 11 12See the Apache Version 2.0 License for specific language governing permissions 13and limitations under the License. 14***************************************************************************** */ 15 16 17 18/// <reference no-default-lib="true"/> 19 20 21interface BigIntToLocaleStringOptions { 22 /** 23 * The locale matching algorithm to use.The default is "best fit". For information about this option, see the {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_negotiation Intl page}. 24 */ 25 localeMatcher?: string; 26 /** 27 * The formatting style to use , the default is "decimal". 28 */ 29 style?: string; 30 31 numberingSystem?: string; 32 /** 33 * The unit to use in unit formatting, Possible values are core unit identifiers, defined in UTS #35, Part 2, Section 6. A subset of units from the full list was selected for use in ECMAScript. Pairs of simple units can be concatenated with "-per-" to make a compound unit. There is no default value; if the style is "unit", the unit property must be provided. 34 */ 35 unit?: string; 36 37 /** 38 * The unit formatting style to use in unit formatting, the defaults is "short". 39 */ 40 unitDisplay?: string; 41 42 /** 43 * The currency to use in currency formatting. Possible values are the ISO 4217 currency codes, such as "USD" for the US dollar, "EUR" for the euro, or "CNY" for the Chinese RMB — see the Current currency & funds code list. There is no default value; if the style is "currency", the currency property must be provided. It is only used when [[Style]] has the value "currency". 44 */ 45 currency?: string; 46 47 /** 48 * How to display the currency in currency formatting. It is only used when [[Style]] has the value "currency". The default is "symbol". 49 * 50 * "symbol" to use a localized currency symbol such as €, 51 * 52 * "code" to use the ISO currency code, 53 * 54 * "name" to use a localized currency name such as "dollar" 55 */ 56 currencyDisplay?: string; 57 58 /** 59 * Whether to use grouping separators, such as thousands separators or thousand/lakh/crore separators. The default is true. 60 */ 61 useGrouping?: boolean; 62 63 /** 64 * The minimum number of integer digits to use. Possible values are from 1 to 21; the default is 1. 65 */ 66 minimumIntegerDigits?: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21; 67 68 /** 69 * The minimum number of fraction digits to use. Possible values are from 0 to 20; the default for plain number and percent formatting is 0; the default for currency formatting is the number of minor unit digits provided by the {@link http://www.currency-iso.org/en/home/tables/table-a1.html ISO 4217 currency codes list} (2 if the list doesn't provide that information). 70 */ 71 minimumFractionDigits?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20; 72 73 /** 74 * The maximum number of fraction digits to use. Possible values are from 0 to 20; the default for plain number formatting is the larger of minimumFractionDigits and 3; the default for currency formatting is the larger of minimumFractionDigits and the number of minor unit digits provided by the {@link http://www.currency-iso.org/en/home/tables/table-a1.html ISO 4217 currency codes list} (2 if the list doesn't provide that information); the default for percent formatting is the larger of minimumFractionDigits and 0. 75 */ 76 maximumFractionDigits?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20; 77 78 /** 79 * The minimum number of significant digits to use. Possible values are from 1 to 21; the default is 1. 80 */ 81 minimumSignificantDigits?: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21; 82 83 /** 84 * The maximum number of significant digits to use. Possible values are from 1 to 21; the default is 21. 85 */ 86 maximumSignificantDigits?: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21; 87 88 /** 89 * The formatting that should be displayed for the number, the defaults is "standard" 90 * 91 * "standard" plain number formatting 92 * 93 * "scientific" return the order-of-magnitude for formatted number. 94 * 95 * "engineering" return the exponent of ten when divisible by three 96 * 97 * "compact" string representing exponent, defaults is using the "short" form 98 */ 99 notation?: string; 100 101 /** 102 * used only when notation is "compact" 103 */ 104 compactDisplay?: string; 105} 106 107interface BigInt { 108 /** 109 * Returns a string representation of an object. 110 * @param radix Specifies a radix for converting numeric values to strings. 111 */ 112 toString(radix?: number): string; 113 114 /** Returns a string representation appropriate to the host environment's current locale. */ 115 toLocaleString(locales?: string, options?: BigIntToLocaleStringOptions): string; 116 117 /** Returns the primitive value of the specified object. */ 118 valueOf(): bigint; 119 120 readonly [Symbol.toStringTag]: "BigInt"; 121} 122 123interface BigIntConstructor { 124 (value?: any): bigint; 125 readonly prototype: BigInt; 126 127 /** 128 * Interprets the low bits of a BigInt as a 2's-complement signed integer. 129 * All higher bits are discarded. 130 * @param bits The number of low bits to use 131 * @param int The BigInt whose bits to extract 132 */ 133 asIntN(bits: number, int: bigint): bigint; 134 /** 135 * Interprets the low bits of a BigInt as an unsigned integer. 136 * All higher bits are discarded. 137 * @param bits The number of low bits to use 138 * @param int The BigInt whose bits to extract 139 */ 140 asUintN(bits: number, int: bigint): bigint; 141} 142 143declare var BigInt: BigIntConstructor; 144 145/** 146 * A typed array of 64-bit signed integer values. The contents are initialized to 0. If the 147 * requested number of bytes could not be allocated, an exception is raised. 148 */ 149interface BigInt64Array { 150 /** The size in bytes of each element in the array. */ 151 readonly BYTES_PER_ELEMENT: number; 152 153 /** The ArrayBuffer instance referenced by the array. */ 154 readonly buffer: ArrayBufferLike; 155 156 /** The length in bytes of the array. */ 157 readonly byteLength: number; 158 159 /** The offset in bytes of the array. */ 160 readonly byteOffset: number; 161 162 /** 163 * Returns the this object after copying a section of the array identified by start and end 164 * to the same array starting at position target 165 * @param target If target is negative, it is treated as length+target where length is the 166 * length of the array. 167 * @param start If start is negative, it is treated as length+start. If end is negative, it 168 * is treated as length+end. 169 * @param end If not specified, length of the this object is used as its default value. 170 */ 171 copyWithin(target: number, start: number, end?: number): this; 172 173 /** Yields index, value pairs for every entry in the array. */ 174 entries(): IterableIterator<[number, bigint]>; 175 176 /** 177 * Determines whether all the members of an array satisfy the specified test. 178 * @param predicate A function that accepts up to three arguments. The every method calls 179 * the predicate function for each element in the array until the predicate returns false, 180 * or until the end of the array. 181 * @param thisArg An object to which the this keyword can refer in the predicate function. 182 * If thisArg is omitted, undefined is used as the this value. 183 */ 184 every(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean; 185 186 /** 187 * Returns the this object after filling the section identified by start and end with value 188 * @param value value to fill array section with 189 * @param start index to start filling the array at. If start is negative, it is treated as 190 * length+start where length is the length of the array. 191 * @param end index to stop filling the array at. If end is negative, it is treated as 192 * length+end. 193 */ 194 fill(value: bigint, start?: number, end?: number): this; 195 196 /** 197 * Returns the elements of an array that meet the condition specified in a callback function. 198 * @param predicate A function that accepts up to three arguments. The filter method calls 199 * the predicate function one time for each element in the array. 200 * @param thisArg An object to which the this keyword can refer in the predicate function. 201 * If thisArg is omitted, undefined is used as the this value. 202 */ 203 filter(predicate: (value: bigint, index: number, array: BigInt64Array) => any, thisArg?: any): BigInt64Array; 204 205 /** 206 * Returns the value of the first element in the array where predicate is true, and undefined 207 * otherwise. 208 * @param predicate find calls predicate once for each element of the array, in ascending 209 * order, until it finds one where predicate returns true. If such an element is found, find 210 * immediately returns that element value. Otherwise, find returns undefined. 211 * @param thisArg If provided, it will be used as the this value for each invocation of 212 * predicate. If it is not provided, undefined is used instead. 213 */ 214 find(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): bigint | undefined; 215 216 /** 217 * Returns the index of the first element in the array where predicate is true, and -1 218 * otherwise. 219 * @param predicate find calls predicate once for each element of the array, in ascending 220 * order, until it finds one where predicate returns true. If such an element is found, 221 * findIndex immediately returns that element index. Otherwise, findIndex returns -1. 222 * @param thisArg If provided, it will be used as the this value for each invocation of 223 * predicate. If it is not provided, undefined is used instead. 224 */ 225 findIndex(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): number; 226 227 /** 228 * Performs the specified action for each element in an array. 229 * @param callbackfn A function that accepts up to three arguments. forEach calls the 230 * callbackfn function one time for each element in the array. 231 * @param thisArg An object to which the this keyword can refer in the callbackfn function. 232 * If thisArg is omitted, undefined is used as the this value. 233 */ 234 forEach(callbackfn: (value: bigint, index: number, array: BigInt64Array) => void, thisArg?: any): void; 235 236 /** 237 * Determines whether an array includes a certain element, returning true or false as appropriate. 238 * @param searchElement The element to search for. 239 * @param fromIndex The position in this array at which to begin searching for searchElement. 240 */ 241 includes(searchElement: bigint, fromIndex?: number): boolean; 242 243 /** 244 * Returns the index of the first occurrence of a value in an array. 245 * @param searchElement The value to locate in the array. 246 * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the 247 * search starts at index 0. 248 */ 249 indexOf(searchElement: bigint, fromIndex?: number): number; 250 251 /** 252 * Adds all the elements of an array separated by the specified separator string. 253 * @param separator A string used to separate one element of an array from the next in the 254 * resulting String. If omitted, the array elements are separated with a comma. 255 */ 256 join(separator?: string): string; 257 258 /** Yields each index in the array. */ 259 keys(): IterableIterator<number>; 260 261 /** 262 * Returns the index of the last occurrence of a value in an array. 263 * @param searchElement The value to locate in the array. 264 * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the 265 * search starts at index 0. 266 */ 267 lastIndexOf(searchElement: bigint, fromIndex?: number): number; 268 269 /** The length of the array. */ 270 readonly length: number; 271 272 /** 273 * Calls a defined callback function on each element of an array, and returns an array that 274 * contains the results. 275 * @param callbackfn A function that accepts up to three arguments. The map method calls the 276 * callbackfn function one time for each element in the array. 277 * @param thisArg An object to which the this keyword can refer in the callbackfn function. 278 * If thisArg is omitted, undefined is used as the this value. 279 */ 280 map(callbackfn: (value: bigint, index: number, array: BigInt64Array) => bigint, thisArg?: any): BigInt64Array; 281 282 /** 283 * Calls the specified callback function for all the elements in an array. The return value of 284 * the callback function is the accumulated result, and is provided as an argument in the next 285 * call to the callback function. 286 * @param callbackfn A function that accepts up to four arguments. The reduce method calls the 287 * callbackfn function one time for each element in the array. 288 * @param initialValue If initialValue is specified, it is used as the initial value to start 289 * the accumulation. The first call to the callbackfn function provides this value as an argument 290 * instead of an array value. 291 */ 292 reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint; 293 294 /** 295 * Calls the specified callback function for all the elements in an array. The return value of 296 * the callback function is the accumulated result, and is provided as an argument in the next 297 * call to the callback function. 298 * @param callbackfn A function that accepts up to four arguments. The reduce method calls the 299 * callbackfn function one time for each element in the array. 300 * @param initialValue If initialValue is specified, it is used as the initial value to start 301 * the accumulation. The first call to the callbackfn function provides this value as an argument 302 * instead of an array value. 303 */ 304 reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U; 305 306 /** 307 * Calls the specified callback function for all the elements in an array, in descending order. 308 * The return value of the callback function is the accumulated result, and is provided as an 309 * argument in the next call to the callback function. 310 * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls 311 * the callbackfn function one time for each element in the array. 312 * @param initialValue If initialValue is specified, it is used as the initial value to start 313 * the accumulation. The first call to the callbackfn function provides this value as an 314 * argument instead of an array value. 315 */ 316 reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigInt64Array) => bigint): bigint; 317 318 /** 319 * Calls the specified callback function for all the elements in an array, in descending order. 320 * The return value of the callback function is the accumulated result, and is provided as an 321 * argument in the next call to the callback function. 322 * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls 323 * the callbackfn function one time for each element in the array. 324 * @param initialValue If initialValue is specified, it is used as the initial value to start 325 * the accumulation. The first call to the callbackfn function provides this value as an argument 326 * instead of an array value. 327 */ 328 reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigInt64Array) => U, initialValue: U): U; 329 330 /** Reverses the elements in the array. */ 331 reverse(): this; 332 333 /** 334 * Sets a value or an array of values. 335 * @param array A typed or untyped array of values to set. 336 * @param offset The index in the current array at which the values are to be written. 337 */ 338 set(array: ArrayLike<bigint>, offset?: number): void; 339 340 /** 341 * Returns a section of an array. 342 * @param start The beginning of the specified portion of the array. 343 * @param end The end of the specified portion of the array. 344 */ 345 slice(start?: number, end?: number): BigInt64Array; 346 347 /** 348 * Determines whether the specified callback function returns true for any element of an array. 349 * @param predicate A function that accepts up to three arguments. The some method calls the 350 * predicate function for each element in the array until the predicate returns true, or until 351 * the end of the array. 352 * @param thisArg An object to which the this keyword can refer in the predicate function. 353 * If thisArg is omitted, undefined is used as the this value. 354 */ 355 some(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean; 356 357 /** 358 * Sorts the array. 359 * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order. 360 */ 361 sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this; 362 363 /** 364 * Gets a new BigInt64Array view of the ArrayBuffer store for this array, referencing the elements 365 * at begin, inclusive, up to end, exclusive. 366 * @param begin The index of the beginning of the array. 367 * @param end The index of the end of the array. 368 */ 369 subarray(begin?: number, end?: number): BigInt64Array; 370 371 /** Converts the array to a string by using the current locale. */ 372 toLocaleString(): string; 373 374 /** Returns a string representation of the array. */ 375 toString(): string; 376 377 /** Returns the primitive value of the specified object. */ 378 valueOf(): BigInt64Array; 379 380 /** Yields each value in the array. */ 381 values(): IterableIterator<bigint>; 382 383 [Symbol.iterator](): IterableIterator<bigint>; 384 385 readonly [Symbol.toStringTag]: "BigInt64Array"; 386 387 [index: number]: bigint; 388} 389 390interface BigInt64ArrayConstructor { 391 readonly prototype: BigInt64Array; 392 new(length?: number): BigInt64Array; 393 new(array: Iterable<bigint>): BigInt64Array; 394 new(buffer: ArrayBufferLike, byteOffset?: number, length?: number): BigInt64Array; 395 396 /** The size in bytes of each element in the array. */ 397 readonly BYTES_PER_ELEMENT: number; 398 399 /** 400 * Returns a new array from a set of elements. 401 * @param items A set of elements to include in the new array object. 402 */ 403 of(...items: bigint[]): BigInt64Array; 404 405 /** 406 * Creates an array from an array-like or iterable object. 407 * @param arrayLike An array-like or iterable object to convert to an array. 408 * @param mapfn A mapping function to call on every element of the array. 409 * @param thisArg Value of 'this' used to invoke the mapfn. 410 */ 411 from(arrayLike: ArrayLike<bigint>): BigInt64Array; 412 from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigInt64Array; 413} 414 415declare var BigInt64Array: BigInt64ArrayConstructor; 416 417/** 418 * A typed array of 64-bit unsigned integer values. The contents are initialized to 0. If the 419 * requested number of bytes could not be allocated, an exception is raised. 420 */ 421interface BigUint64Array { 422 /** The size in bytes of each element in the array. */ 423 readonly BYTES_PER_ELEMENT: number; 424 425 /** The ArrayBuffer instance referenced by the array. */ 426 readonly buffer: ArrayBufferLike; 427 428 /** The length in bytes of the array. */ 429 readonly byteLength: number; 430 431 /** The offset in bytes of the array. */ 432 readonly byteOffset: number; 433 434 /** 435 * Returns the this object after copying a section of the array identified by start and end 436 * to the same array starting at position target 437 * @param target If target is negative, it is treated as length+target where length is the 438 * length of the array. 439 * @param start If start is negative, it is treated as length+start. If end is negative, it 440 * is treated as length+end. 441 * @param end If not specified, length of the this object is used as its default value. 442 */ 443 copyWithin(target: number, start: number, end?: number): this; 444 445 /** Yields index, value pairs for every entry in the array. */ 446 entries(): IterableIterator<[number, bigint]>; 447 448 /** 449 * Determines whether all the members of an array satisfy the specified test. 450 * @param predicate A function that accepts up to three arguments. The every method calls 451 * the predicate function for each element in the array until the predicate returns false, 452 * or until the end of the array. 453 * @param thisArg An object to which the this keyword can refer in the predicate function. 454 * If thisArg is omitted, undefined is used as the this value. 455 */ 456 every(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean; 457 458 /** 459 * Returns the this object after filling the section identified by start and end with value 460 * @param value value to fill array section with 461 * @param start index to start filling the array at. If start is negative, it is treated as 462 * length+start where length is the length of the array. 463 * @param end index to stop filling the array at. If end is negative, it is treated as 464 * length+end. 465 */ 466 fill(value: bigint, start?: number, end?: number): this; 467 468 /** 469 * Returns the elements of an array that meet the condition specified in a callback function. 470 * @param predicate A function that accepts up to three arguments. The filter method calls 471 * the predicate function one time for each element in the array. 472 * @param thisArg An object to which the this keyword can refer in the predicate function. 473 * If thisArg is omitted, undefined is used as the this value. 474 */ 475 filter(predicate: (value: bigint, index: number, array: BigUint64Array) => any, thisArg?: any): BigUint64Array; 476 477 /** 478 * Returns the value of the first element in the array where predicate is true, and undefined 479 * otherwise. 480 * @param predicate find calls predicate once for each element of the array, in ascending 481 * order, until it finds one where predicate returns true. If such an element is found, find 482 * immediately returns that element value. Otherwise, find returns undefined. 483 * @param thisArg If provided, it will be used as the this value for each invocation of 484 * predicate. If it is not provided, undefined is used instead. 485 */ 486 find(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): bigint | undefined; 487 488 /** 489 * Returns the index of the first element in the array where predicate is true, and -1 490 * otherwise. 491 * @param predicate find calls predicate once for each element of the array, in ascending 492 * order, until it finds one where predicate returns true. If such an element is found, 493 * findIndex immediately returns that element index. Otherwise, findIndex returns -1. 494 * @param thisArg If provided, it will be used as the this value for each invocation of 495 * predicate. If it is not provided, undefined is used instead. 496 */ 497 findIndex(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): number; 498 499 /** 500 * Performs the specified action for each element in an array. 501 * @param callbackfn A function that accepts up to three arguments. forEach calls the 502 * callbackfn function one time for each element in the array. 503 * @param thisArg An object to which the this keyword can refer in the callbackfn function. 504 * If thisArg is omitted, undefined is used as the this value. 505 */ 506 forEach(callbackfn: (value: bigint, index: number, array: BigUint64Array) => void, thisArg?: any): void; 507 508 /** 509 * Determines whether an array includes a certain element, returning true or false as appropriate. 510 * @param searchElement The element to search for. 511 * @param fromIndex The position in this array at which to begin searching for searchElement. 512 */ 513 includes(searchElement: bigint, fromIndex?: number): boolean; 514 515 /** 516 * Returns the index of the first occurrence of a value in an array. 517 * @param searchElement The value to locate in the array. 518 * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the 519 * search starts at index 0. 520 */ 521 indexOf(searchElement: bigint, fromIndex?: number): number; 522 523 /** 524 * Adds all the elements of an array separated by the specified separator string. 525 * @param separator A string used to separate one element of an array from the next in the 526 * resulting String. If omitted, the array elements are separated with a comma. 527 */ 528 join(separator?: string): string; 529 530 /** Yields each index in the array. */ 531 keys(): IterableIterator<number>; 532 533 /** 534 * Returns the index of the last occurrence of a value in an array. 535 * @param searchElement The value to locate in the array. 536 * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the 537 * search starts at index 0. 538 */ 539 lastIndexOf(searchElement: bigint, fromIndex?: number): number; 540 541 /** The length of the array. */ 542 readonly length: number; 543 544 /** 545 * Calls a defined callback function on each element of an array, and returns an array that 546 * contains the results. 547 * @param callbackfn A function that accepts up to three arguments. The map method calls the 548 * callbackfn function one time for each element in the array. 549 * @param thisArg An object to which the this keyword can refer in the callbackfn function. 550 * If thisArg is omitted, undefined is used as the this value. 551 */ 552 map(callbackfn: (value: bigint, index: number, array: BigUint64Array) => bigint, thisArg?: any): BigUint64Array; 553 554 /** 555 * Calls the specified callback function for all the elements in an array. The return value of 556 * the callback function is the accumulated result, and is provided as an argument in the next 557 * call to the callback function. 558 * @param callbackfn A function that accepts up to four arguments. The reduce method calls the 559 * callbackfn function one time for each element in the array. 560 * @param initialValue If initialValue is specified, it is used as the initial value to start 561 * the accumulation. The first call to the callbackfn function provides this value as an argument 562 * instead of an array value. 563 */ 564 reduce(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint; 565 566 /** 567 * Calls the specified callback function for all the elements in an array. The return value of 568 * the callback function is the accumulated result, and is provided as an argument in the next 569 * call to the callback function. 570 * @param callbackfn A function that accepts up to four arguments. The reduce method calls the 571 * callbackfn function one time for each element in the array. 572 * @param initialValue If initialValue is specified, it is used as the initial value to start 573 * the accumulation. The first call to the callbackfn function provides this value as an argument 574 * instead of an array value. 575 */ 576 reduce<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U; 577 578 /** 579 * Calls the specified callback function for all the elements in an array, in descending order. 580 * The return value of the callback function is the accumulated result, and is provided as an 581 * argument in the next call to the callback function. 582 * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls 583 * the callbackfn function one time for each element in the array. 584 * @param initialValue If initialValue is specified, it is used as the initial value to start 585 * the accumulation. The first call to the callbackfn function provides this value as an 586 * argument instead of an array value. 587 */ 588 reduceRight(callbackfn: (previousValue: bigint, currentValue: bigint, currentIndex: number, array: BigUint64Array) => bigint): bigint; 589 590 /** 591 * Calls the specified callback function for all the elements in an array, in descending order. 592 * The return value of the callback function is the accumulated result, and is provided as an 593 * argument in the next call to the callback function. 594 * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls 595 * the callbackfn function one time for each element in the array. 596 * @param initialValue If initialValue is specified, it is used as the initial value to start 597 * the accumulation. The first call to the callbackfn function provides this value as an argument 598 * instead of an array value. 599 */ 600 reduceRight<U>(callbackfn: (previousValue: U, currentValue: bigint, currentIndex: number, array: BigUint64Array) => U, initialValue: U): U; 601 602 /** Reverses the elements in the array. */ 603 reverse(): this; 604 605 /** 606 * Sets a value or an array of values. 607 * @param array A typed or untyped array of values to set. 608 * @param offset The index in the current array at which the values are to be written. 609 */ 610 set(array: ArrayLike<bigint>, offset?: number): void; 611 612 /** 613 * Returns a section of an array. 614 * @param start The beginning of the specified portion of the array. 615 * @param end The end of the specified portion of the array. 616 */ 617 slice(start?: number, end?: number): BigUint64Array; 618 619 /** 620 * Determines whether the specified callback function returns true for any element of an array. 621 * @param predicate A function that accepts up to three arguments. The some method calls the 622 * predicate function for each element in the array until the predicate returns true, or until 623 * the end of the array. 624 * @param thisArg An object to which the this keyword can refer in the predicate function. 625 * If thisArg is omitted, undefined is used as the this value. 626 */ 627 some(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean; 628 629 /** 630 * Sorts the array. 631 * @param compareFn The function used to determine the order of the elements. If omitted, the elements are sorted in ascending order. 632 */ 633 sort(compareFn?: (a: bigint, b: bigint) => number | bigint): this; 634 635 /** 636 * Gets a new BigUint64Array view of the ArrayBuffer store for this array, referencing the elements 637 * at begin, inclusive, up to end, exclusive. 638 * @param begin The index of the beginning of the array. 639 * @param end The index of the end of the array. 640 */ 641 subarray(begin?: number, end?: number): BigUint64Array; 642 643 /** Converts the array to a string by using the current locale. */ 644 toLocaleString(): string; 645 646 /** Returns a string representation of the array. */ 647 toString(): string; 648 649 /** Returns the primitive value of the specified object. */ 650 valueOf(): BigUint64Array; 651 652 /** Yields each value in the array. */ 653 values(): IterableIterator<bigint>; 654 655 [Symbol.iterator](): IterableIterator<bigint>; 656 657 readonly [Symbol.toStringTag]: "BigUint64Array"; 658 659 [index: number]: bigint; 660} 661 662interface BigUint64ArrayConstructor { 663 readonly prototype: BigUint64Array; 664 new(length?: number): BigUint64Array; 665 new(array: Iterable<bigint>): BigUint64Array; 666 new(buffer: ArrayBufferLike, byteOffset?: number, length?: number): BigUint64Array; 667 668 /** The size in bytes of each element in the array. */ 669 readonly BYTES_PER_ELEMENT: number; 670 671 /** 672 * Returns a new array from a set of elements. 673 * @param items A set of elements to include in the new array object. 674 */ 675 of(...items: bigint[]): BigUint64Array; 676 677 /** 678 * Creates an array from an array-like or iterable object. 679 * @param arrayLike An array-like or iterable object to convert to an array. 680 * @param mapfn A mapping function to call on every element of the array. 681 * @param thisArg Value of 'this' used to invoke the mapfn. 682 */ 683 from(arrayLike: ArrayLike<bigint>): BigUint64Array; 684 from<U>(arrayLike: ArrayLike<U>, mapfn: (v: U, k: number) => bigint, thisArg?: any): BigUint64Array; 685} 686 687declare var BigUint64Array: BigUint64ArrayConstructor; 688 689interface DataView { 690 /** 691 * Gets the BigInt64 value at the specified byte offset from the start of the view. There is 692 * no alignment constraint; multi-byte values may be fetched from any offset. 693 * @param byteOffset The place in the buffer at which the value should be retrieved. 694 */ 695 getBigInt64(byteOffset: number, littleEndian?: boolean): bigint; 696 697 /** 698 * Gets the BigUint64 value at the specified byte offset from the start of the view. There is 699 * no alignment constraint; multi-byte values may be fetched from any offset. 700 * @param byteOffset The place in the buffer at which the value should be retrieved. 701 */ 702 getBigUint64(byteOffset: number, littleEndian?: boolean): bigint; 703 704 /** 705 * Stores a BigInt64 value at the specified byte offset from the start of the view. 706 * @param byteOffset The place in the buffer at which the value should be set. 707 * @param value The value to set. 708 * @param littleEndian If false or undefined, a big-endian value should be written, 709 * otherwise a little-endian value should be written. 710 */ 711 setBigInt64(byteOffset: number, value: bigint, littleEndian?: boolean): void; 712 713 /** 714 * Stores a BigUint64 value at the specified byte offset from the start of the view. 715 * @param byteOffset The place in the buffer at which the value should be set. 716 * @param value The value to set. 717 * @param littleEndian If false or undefined, a big-endian value should be written, 718 * otherwise a little-endian value should be written. 719 */ 720 setBigUint64(byteOffset: number, value: bigint, littleEndian?: boolean): void; 721} 722 723declare namespace Intl{ 724 interface NumberFormat { 725 format(value: number | bigint): string; 726 resolvedOptions(): ResolvedNumberFormatOptions; 727 } 728} 729