Interface: Data
Helper interface that adds utility functions to work more conveniently with bytes in normal user scenarios.
Concretely: text(), hex(), json()
Hierarchy
Uint8Array
↳
Data
Properties
BYTES_PER_ELEMENT
• Readonly
BYTES_PER_ELEMENT: number
The size in bytes of each element in the array.
Inherited from
Uint8Array.BYTES_PER_ELEMENT
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2102
[toStringTag]
• Readonly
[toStringTag]: "Uint8Array"
Inherited from
Uint8Array.__@toStringTag@24
Defined in
node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts:282
buffer
• Readonly
buffer: ArrayBufferLike
The ArrayBuffer instance referenced by the array.
Inherited from
Uint8Array.buffer
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2107
byteLength
• Readonly
byteLength: number
The length in bytes of the array.
Inherited from
Uint8Array.byteLength
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2112
byteOffset
• Readonly
byteOffset: number
The offset in bytes of the array.
Inherited from
Uint8Array.byteOffset
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2117
length
• Readonly
length: number
The length of the array.
Inherited from
Uint8Array.length
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2216
Methods
[iterator]
▸ [iterator](): IterableIterator
<number
>
Returns
IterableIterator
<number
>
Inherited from
Uint8Array.__@iterator@81
Defined in
node_modules/typescript/lib/lib.es2015.iterable.d.ts:272
copyWithin
▸ copyWithin(target
, start
, end?
): Data
Returns the this object after copying a section of the array identified by start and end to the same array starting at position target
Parameters
Name | Type | Description |
---|---|---|
target | number | If target is negative, it is treated as length+target where length is the length of the array. |
start | number | If start is negative, it is treated as length+start. If end is negative, it is treated as length+end. |
end? | number | If not specified, length of the this object is used as its default value. |
Returns
Inherited from
Uint8Array.copyWithin
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2128
entries
▸ entries(): IterableIterator
<[number
, number
]>
Returns an array of key, value pairs for every entry in the array
Returns
IterableIterator
<[number
, number
]>
Inherited from
Uint8Array.entries
Defined in
node_modules/typescript/lib/lib.es2015.iterable.d.ts:276
every
▸ every(predicate
, thisArg?
): boolean
Determines whether all the members of an array satisfy the specified test.
Parameters
Name | Type | Description |
---|---|---|
predicate | (value : number , index : number , array : Uint8Array ) => unknown | A function that accepts up to three arguments. The every method calls the predicate function for each element in the array until the predicate returns a value which is coercible to the Boolean value false, or until the end of the array. |
thisArg? | any | An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value. |
Returns
boolean
Inherited from
Uint8Array.every
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2138
fill
▸ fill(value
, start?
, end?
): Data
Changes all array elements from start
to end
index to a static value
and returns the modified array
Parameters
Name | Type | Description |
---|---|---|
value | number | value to fill array section with |
start? | number | index to start filling the array at. If start is negative, it is treated as length+start where length is the length of the array. |
end? | number | index to stop filling the array at. If end is negative, it is treated as length+end. |
Returns
Inherited from
Uint8Array.fill
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2148
filter
▸ filter(predicate
, thisArg?
): Uint8Array
Returns the elements of an array that meet the condition specified in a callback function.
Parameters
Name | Type | Description |
---|---|---|
predicate | (value : number , index : number , array : Uint8Array ) => any | A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array. |
thisArg? | any | An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value. |
Returns
Uint8Array
Inherited from
Uint8Array.filter
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2157
find
▸ find(predicate
, thisArg?
): undefined
| number
Returns the value of the first element in the array where predicate is true, and undefined otherwise.
Parameters
Name | Type | Description |
---|---|---|
predicate | (value : number , index : number , obj : Uint8Array ) => boolean | find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, find immediately returns that element value. Otherwise, find returns undefined. |
thisArg? | any | If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead. |
Returns
undefined
| number
Inherited from
Uint8Array.find
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2168
findIndex
▸ findIndex(predicate
, thisArg?
): number
Returns the index of the first element in the array where predicate is true, and -1 otherwise.
Parameters
Name | Type | Description |
---|---|---|
predicate | (value : number , index : number , obj : Uint8Array ) => boolean | find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, findIndex immediately returns that element index. Otherwise, findIndex returns -1. |
thisArg? | any | If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead. |
Returns
number
Inherited from
Uint8Array.findIndex
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2179
forEach
▸ forEach(callbackfn
, thisArg?
): void
Performs the specified action for each element in an array.
Parameters
Name | Type | Description |
---|---|---|
callbackfn | (value : number , index : number , array : Uint8Array ) => void | A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array. |
thisArg? | any | An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value. |
Returns
void
Inherited from
Uint8Array.forEach
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2188
hex
▸ hex(): HexString
<number
>
Converts the binary data into hex-string.
Returns
HexString
<number
>
Defined in
includes
▸ includes(searchElement
, fromIndex?
): boolean
Determines whether an array includes a certain element, returning true or false as appropriate.
Parameters
Name | Type | Description |
---|---|---|
searchElement | number | The element to search for. |
fromIndex? | number | The position in this array at which to begin searching for searchElement. |
Returns
boolean
Inherited from
Uint8Array.includes
Defined in
node_modules/typescript/lib/lib.es2016.array.include.d.ts:54
indexOf
▸ indexOf(searchElement
, fromIndex?
): number
Returns the index of the first occurrence of a value in an array.
Parameters
Name | Type | Description |
---|---|---|
searchElement | number | The value to locate in the array. |
fromIndex? | number | The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0. |
Returns
number
Inherited from
Uint8Array.indexOf
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2196
join
▸ join(separator?
): string
Adds all the elements of an array separated by the specified separator string.
Parameters
Name | Type | Description |
---|---|---|
separator? | string | A string used to separate one element of an array from the next in the resulting String. If omitted, the array elements are separated with a comma. |
Returns
string
Inherited from
Uint8Array.join
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2203
json
▸ json(): Record
<string
, unknown
>
Converts the binary data into string which is then parsed into JSON.
Returns
Record
<string
, unknown
>
Defined in
keys
▸ keys(): IterableIterator
<number
>
Returns an list of keys in the array
Returns
IterableIterator
<number
>
Inherited from
Uint8Array.keys
Defined in
node_modules/typescript/lib/lib.es2015.iterable.d.ts:280
lastIndexOf
▸ lastIndexOf(searchElement
, fromIndex?
): number
Returns the index of the last occurrence of a value in an array.
Parameters
Name | Type | Description |
---|---|---|
searchElement | number | The value to locate in the array. |
fromIndex? | number | The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0. |
Returns
number
Inherited from
Uint8Array.lastIndexOf
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2211
map
▸ map(callbackfn
, thisArg?
): Uint8Array
Calls a defined callback function on each element of an array, and returns an array that contains the results.
Parameters
Name | Type | Description |
---|---|---|
callbackfn | (value : number , index : number , array : Uint8Array ) => number | A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array. |
thisArg? | any | An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value. |
Returns
Uint8Array
Inherited from
Uint8Array.map
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2226
reduce
▸ reduce(callbackfn
): number
Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
Parameters
Name | Type | Description |
---|---|---|
callbackfn | (previousValue : number , currentValue : number , currentIndex : number , array : Uint8Array ) => number | A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array. |
Returns
number
Inherited from
Uint8Array.reduce
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2238
▸ reduce(callbackfn
, initialValue
): number
Parameters
Name | Type |
---|---|
callbackfn | (previousValue : number , currentValue : number , currentIndex : number , array : Uint8Array ) => number |
initialValue | number |
Returns
number
Inherited from
Uint8Array.reduce
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2239
▸ reduce<U
>(callbackfn
, initialValue
): U
Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
Type parameters
Name |
---|
U |
Parameters
Name | Type | Description |
---|---|---|
callbackfn | (previousValue : U , currentValue : number , currentIndex : number , array : Uint8Array ) => U | A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array. |
initialValue | U | If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value. |
Returns
U
Inherited from
Uint8Array.reduce
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2251
reduceRight
▸ reduceRight(callbackfn
): number
Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
Parameters
Name | Type | Description |
---|---|---|
callbackfn | (previousValue : number , currentValue : number , currentIndex : number , array : Uint8Array ) => number | A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array. |
Returns
number
Inherited from
Uint8Array.reduceRight
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2263
▸ reduceRight(callbackfn
, initialValue
): number
Parameters
Name | Type |
---|---|
callbackfn | (previousValue : number , currentValue : number , currentIndex : number , array : Uint8Array ) => number |
initialValue | number |
Returns
number
Inherited from
Uint8Array.reduceRight
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2264
▸ reduceRight<U
>(callbackfn
, initialValue
): U
Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
Type parameters
Name |
---|
U |
Parameters
Name | Type | Description |
---|---|---|
callbackfn | (previousValue : U , currentValue : number , currentIndex : number , array : Uint8Array ) => U | A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array. |
initialValue | U | If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value. |
Returns
U
Inherited from
Uint8Array.reduceRight
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2276
reverse
▸ reverse(): Uint8Array
Reverses the elements in an Array.
Returns
Uint8Array
Inherited from
Uint8Array.reverse
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2281
set
▸ set(array
, offset?
): void
Sets a value or an array of values.
Parameters
Name | Type | Description |
---|---|---|
array | ArrayLike <number > | A typed or untyped array of values to set. |
offset? | number | The index in the current array at which the values are to be written. |
Returns
void
Inherited from
Uint8Array.set
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2288
slice
▸ slice(start?
, end?
): Uint8Array
Returns a section of an array.
Parameters
Name | Type | Description |
---|---|---|
start? | number | The beginning of the specified portion of the array. |
end? | number | The end of the specified portion of the array. This is exclusive of the element at the index 'end'. |
Returns
Uint8Array
Inherited from
Uint8Array.slice
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2295
some
▸ some(predicate
, thisArg?
): boolean
Determines whether the specified callback function returns true for any element of an array.
Parameters
Name | Type | Description |
---|---|---|
predicate | (value : number , index : number , array : Uint8Array ) => unknown | A function that accepts up to three arguments. The some method calls the predicate function for each element in the array until the predicate returns a value which is coercible to the Boolean value true, or until the end of the array. |
thisArg? | any | An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value. |
Returns
boolean
Inherited from
Uint8Array.some
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2305
sort
▸ sort(compareFn?
): Data
Sorts an array.
Parameters
Name | Type | Description |
---|---|---|
compareFn? | (a : number , b : number ) => number | Function used to determine the order of the elements. It is expected to return a negative value if first argument is less than second argument, zero if they're equal and a positive value otherwise. If omitted, the elements are sorted in ascending order. ts [11,2,22,1].sort((a, b) => a - b) |
Returns
Inherited from
Uint8Array.sort
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2316
subarray
▸ subarray(begin?
, end?
): Uint8Array
Gets a new Uint8Array view of the ArrayBuffer store for this array, referencing the elements at begin, inclusive, up to end, exclusive.
Parameters
Name | Type | Description |
---|---|---|
begin? | number | The index of the beginning of the array. |
end? | number | The index of the end of the array. |
Returns
Uint8Array
Inherited from
Uint8Array.subarray
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2324
text
▸ text(): string
Converts the binary data using UTF-8 decoding into string.
Returns
string
Defined in
toLocaleString
▸ toLocaleString(): string
Converts a number to a string by using the current locale.
Returns
string
Inherited from
Uint8Array.toLocaleString
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2329
toString
▸ toString(): string
Returns a string representation of an array.
Returns
string
Inherited from
Uint8Array.toString
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2334
valueOf
▸ valueOf(): Uint8Array
Returns the primitive value of the specified object.
Returns
Uint8Array
Inherited from
Uint8Array.valueOf
Defined in
node_modules/typescript/lib/lib.es5.d.ts:2337
values
▸ values(): IterableIterator
<number
>
Returns an list of values in the array
Returns
IterableIterator
<number
>
Inherited from
Uint8Array.values
Defined in
node_modules/typescript/lib/lib.es2015.iterable.d.ts:284