name: Type
description: This is a extended version of String, specifically to handle types. Here we rely fully on what string provides us, however we also adjust the types received from the runtime, i.e. we remove the T:: prefixes found in some types for consistency accross implementation.
Hierarchy
↳ Text
↳ Type
Implements
Indexable
[index: number]: string
Constructors
constructor
⊕ new Type(value?: Text | Uint8Array | string): Type
Overrides Text.constructor
Defined in Type.ts:20
Parameters:
| Name | Type | Default value |
|---|---|---|
Default value value |
Text | Uint8Array | string |
"" |
Returns: Type
Accessors
encodedLength
getencodedLength(): number
Overrides Text.encodedLength
Defined in Type.ts:67
description: The length of the value when encoded as a Uint8Array
Returns: number
length
getlength(): number
Overrides String.length
Defined in Text.ts:54
description: The length of the value
Returns: number
Methods
__@iterator
▸ __@iterator(): IterableIterator<string>
Inherited from String.[Symbol.iterator]
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.iterable.d.ts:235
Iterator
Returns: IterableIterator<string>
anchor
▸ anchor(name: string): string
Inherited from String.anchor
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:454
Returns an HTML anchor element and sets the name attribute to the text value
Parameters:
| Name | Type | Description |
|---|---|---|
| name | string |
Returns: string
big
▸ big(): string
Inherited from String.big
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:457
Returns a HTML element
Returns: string
blink
▸ blink(): string
Inherited from String.blink
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:460
Returns a HTML element
Returns: string
bold
▸ bold(): string
Inherited from String.bold
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:463
Returns a HTML element
Returns: string
charAt
▸ charAt(pos: number): string
Inherited from String.charAt
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:392
Returns the character at the specified index.
Parameters:
| Name | Type | Description |
|---|---|---|
| pos | number |
The zero-based index of the desired character. |
Returns: string
charCodeAt
▸ charCodeAt(index: number): number
Inherited from String.charCodeAt
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:398
Returns the Unicode value of the character at the specified location.
Parameters:
| Name | Type | Description |
|---|---|---|
| index | number |
The zero-based index of the desired character. If there is no character at the specified index, NaN is returned. |
Returns: number
codePointAt
▸ codePointAt(pos: number): number | undefined
Inherited from String.codePointAt
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:402
Returns a nonnegative integer Number less than 1114112 (0x110000) that is the code point value of the UTF-16 encoded code point starting at the string element at position pos in the String resulting from converting this object to a String. If there is no element at that position, the result is undefined. If a valid UTF-16 surrogate pair does not begin at pos, the result is the code unit at pos.
Parameters:
| Name | Type |
|---|---|
| pos | number |
Returns: number | undefined
concat
▸ concat(...strings: string[]): string
Inherited from String.concat
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:404
Returns a string that contains the concatenation of two or more strings.
Parameters:
| Name | Type | Description |
|---|---|---|
Rest strings |
string[] |
The strings to append to the end of the string. |
Returns: string
endsWith
▸ endsWith(searchString: string, endPosition?: undefined | number): boolean
Inherited from String.endsWith
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:418
Returns true if the sequence of elements of searchString converted to a String is the same as the corresponding elements of this object (converted to a String) starting at endPosition – length(this). Otherwise returns false.
Parameters:
| Name | Type |
|---|---|
| searchString | string |
Optional endPosition |
undefined | number |
Returns: boolean
fixed
▸ fixed(): string
Inherited from String.fixed
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:466
Returns a HTML element
Returns: string
fontcolor
▸ fontcolor(color: string): string
Inherited from String.fontcolor
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:469
Returns a HTML element and sets the color attribute value
Parameters:
| Name | Type |
|---|---|
| color | string |
Returns: string
fontsize
▸ fontsize(size: number): string
▸ fontsize(size: string): string
Inherited from String.fontsize
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:472
Returns a HTML element and sets the size attribute value
Parameters:
| Name | Type |
|---|---|
| size | number |
Returns: string
Inherited from String.fontsize
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:475
Returns a HTML element and sets the size attribute value
Parameters:
| Name | Type |
|---|---|
| size | string |
Returns: string
includes
▸ includes(searchString: string, position?: undefined | number): boolean
Inherited from String.includes
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:411
Returns true if searchString appears as a substring of the result of converting this object to a String, at one or more positions that are greater than or equal to position; otherwise, returns false.
Parameters:
| Name | Type | Description |
|---|---|---|
| searchString | string |
search string |
Optional position |
undefined | number |
If position is undefined, 0 is assumed, so as to search all of the String. |
Returns: boolean
indexOf
▸ indexOf(searchString: string, position?: undefined | number): number
Inherited from String.indexOf
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:411
Returns the position of the first occurrence of a substring.
Parameters:
| Name | Type | Description |
|---|---|---|
| searchString | string |
The substring to search for in the string |
Optional position |
undefined | number |
The index at which to begin searching the String object. If omitted, search starts at the beginning of the string. |
Returns: number
italics
▸ italics(): string
Inherited from String.italics
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:478
Returns an HTML element
Returns: string
lastIndexOf
▸ lastIndexOf(searchString: string, position?: undefined | number): number
Inherited from String.lastIndexOf
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:418
Returns the last occurrence of a substring in the string.
Parameters:
| Name | Type | Description |
|---|---|---|
| searchString | string |
The substring to search for. |
Optional position |
undefined | number |
The index at which to begin searching. If omitted, the search begins at the end of the string. |
Returns: number
link
▸ link(url: string): string
Inherited from String.link
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:481
Returns an HTML element and sets the href attribute value
Parameters:
| Name | Type |
|---|---|
| url | string |
Returns: string
localeCompare
▸ localeCompare(that: string): number
Inherited from String.localeCompare
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:424
Determines whether two strings are equivalent in the current locale.
Parameters:
| Name | Type | Description |
|---|---|---|
| that | string |
String to compare to target string |
Returns: number
match
▸ match(regexp: string | RegExp): RegExpMatchArray | null
Inherited from String.match
Overrides String.match
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:430
Matches a string with a regular expression, and returns an array containing the results of that search.
Parameters:
| Name | Type | Description |
|---|---|---|
| regexp | string | RegExp |
A variable name or string literal containing the regular expression pattern and flags. |
Returns: RegExpMatchArray | null
normalize
▸ normalize(form: "NFC" | "NFD" | "NFKC" | "NFKD"): string
▸ normalize(form?: undefined | string): string
Inherited from String.normalize
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:426
Returns the String value result of normalizing the string into the normalization form named by form as specified in Unicode Standard Annex #15, Unicode Normalization Forms.
Parameters:
| Name | Type | Description |
|---|---|---|
| form | "NFC" | "NFD" | "NFKC" | "NFKD" | Applicable values: "NFC", "NFD", "NFKC", or "NFKD", If not specified default is "NFC" |
Returns: string
Inherited from String.normalize
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:434
Returns the String value result of normalizing the string into the normalization form named by form as specified in Unicode Standard Annex #15, Unicode Normalization Forms.
Parameters:
| Name | Type | Description |
|---|---|---|
Optional form |
undefined | string |
Applicable values: "NFC", "NFD", "NFKC", or "NFKD", If not specified default is "NFC" |
Returns: string
padEnd
▸ padEnd(maxLength: number, fillString?: undefined | string): string
Inherited from String.padEnd
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2017.string.d.ts:46
Pads the current string with a given string (possibly repeated) so that the resulting string reaches a given length. The padding is applied from the end (right) of the current string.
Parameters:
| Name | Type | Description |
|---|---|---|
| maxLength | number |
The length of the resulting string once the current string has been padded. If this parameter is smaller than the current string's length, the current string will be returned as it is. |
Optional fillString |
undefined | string |
The string to pad the current string with. If this string is too long, it will be truncated and the left-most part will be applied. The default value for this parameter is " " (U+0020). |
Returns: string
padStart
▸ padStart(maxLength: number, fillString?: undefined | string): string
Inherited from String.padStart
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2017.string.d.ts:33
Pads the current string with a given string (possibly repeated) so that the resulting string reaches a given length. The padding is applied from the start (left) of the current string.
Parameters:
| Name | Type | Description |
|---|---|---|
| maxLength | number |
The length of the resulting string once the current string has been padded. If this parameter is smaller than the current string's length, the current string will be returned as it is. |
Optional fillString |
undefined | string |
The string to pad the current string with. If this string is too long, it will be truncated and the left-most part will be applied. The default value for this parameter is " " (U+0020). |
Returns: string
repeat
▸ repeat(count: number): string
Inherited from String.repeat
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:441
Returns a String value that is made from count copies appended together. If count is 0, the empty string is returned.
Parameters:
| Name | Type | Description |
|---|---|---|
| count | number |
number of copies to append |
Returns: string
replace
▸ replace(searchValue: string | RegExp, replaceValue: string): string
▸ replace(searchValue: string | RegExp, replacer: function): string
Inherited from String.replace
Overrides String.replace
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:437
Replaces text in a string, using a regular expression or search string.
Parameters:
| Name | Type | Description |
|---|---|---|
| searchValue | string | RegExp |
A string to search for. |
| replaceValue | string |
A string containing the text to replace for every successful match of searchValue in this string. |
Returns: string
Inherited from String.replace
Overrides String.replace
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:444
Replaces text in a string, using a regular expression or search string.
Parameters:
| Name | Type | Description |
|---|---|---|
| searchValue | string | RegExp |
A string to search for. |
| replacer | function |
A function that returns the replacement text. |
Returns: string
search
▸ search(regexp: string | RegExp): number
Inherited from String.search
Overrides String.search
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:450
Finds the first substring match in a regular expression search.
Parameters:
| Name | Type | Description |
|---|---|---|
| regexp | string | RegExp |
The regular expression pattern and applicable flags. |
Returns: number
slice
▸ slice(start?: undefined | number, end?: undefined | number): string
Inherited from String.slice
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:458
Returns a section of a string.
Parameters:
| Name | Type | Description |
|---|---|---|
Optional start |
undefined | number |
The index to the beginning of the specified portion of stringObj. |
Optional end |
undefined | number |
The index to the end of the specified portion of stringObj. The substring includes the characters up to, but not including, the character indicated by end. If this value is not specified, the substring continues to the end of stringObj. |
Returns: string
small
▸ small(): string
Inherited from String.small
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:484
Returns a HTML element
Returns: string
split
▸ split(separator: string | RegExp, limit?: undefined | number): string[]
Inherited from String.split
Overrides String.split
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:465
Split a string into substrings using the specified separator and return them as an array.
Parameters:
| Name | Type | Description |
|---|---|---|
| separator | string | RegExp |
A string that identifies character or characters to use in separating the string. If omitted, a single-element array containing the entire string is returned. |
Optional limit |
undefined | number |
A value used to limit the number of elements returned in the array. |
Returns: string[]
startsWith
▸ startsWith(searchString: string, position?: undefined | number): boolean
Inherited from String.startsWith
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:448
Returns true if the sequence of elements of searchString converted to a String is the same as the corresponding elements of this object (converted to a String) starting at position. Otherwise returns false.
Parameters:
| Name | Type |
|---|---|
| searchString | string |
Optional position |
undefined | number |
Returns: boolean
strike
▸ strike(): string
Inherited from String.strike
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:487
Returns a HTML element
Returns: string
sub
▸ sub(): string
Inherited from String.sub
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:490
Returns a HTML element
Returns: string
substr
▸ substr(from: number, length?: undefined | number): string
Inherited from String.substr
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:499
Gets a substring beginning at the specified location and having the specified length.
Parameters:
| Name | Type | Description |
|---|---|---|
| from | number |
The starting position of the desired substring. The index of the first character in the string is zero. |
Optional length |
undefined | number |
The number of characters to include in the returned substring. |
Returns: string
substring
▸ substring(start: number, end?: undefined | number): string
Inherited from String.substring
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:473
Returns the substring at the specified location within a String object.
Parameters:
| Name | Type | Description |
|---|---|---|
| start | number |
The zero-based index number indicating the beginning of the substring. |
Optional end |
undefined | number |
Zero-based index number indicating the end of the substring. The substring includes the characters up to, but not including, the character indicated by end. If end is omitted, the characters from start through the end of the original string are returned. |
Returns: string
sup
▸ sup(): string
Inherited from String.sup
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es2015.core.d.ts:493
Returns a HTML element
Returns: string
toHex
▸ toHex(): string
Defined in Text.ts:62
description: Returns a hex string representation of the value
Returns: string
toJSON
▸ toJSON(): any
Implementation of Codec.toJSON
Defined in Text.ts:69
description: Converts the Object to JSON, typically used for RPC transfers
Returns: any
toLocaleLowerCase
▸ toLocaleLowerCase(): string
Inherited from String.toLocaleLowerCase
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:479
Converts all alphabetic characters to lowercase, taking into account the host environment's current locale.
Returns: string
toLocaleUpperCase
▸ toLocaleUpperCase(): string
Inherited from String.toLocaleUpperCase
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:485
Returns a string where all alphabetic characters have been converted to uppercase, taking into account the host environment's current locale.
Returns: string
toLowerCase
▸ toLowerCase(): string
Inherited from String.toLowerCase
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:476
Converts all the alphabetic characters in a string to lowercase.
Returns: string
toString
▸ toString(): string
Implementation of Codec.toString
Overrides String.toString
Defined in Text.ts:76
description: Returns the string representation of the value
Returns: string
toU8a
▸ toU8a(isBare?: undefined | false | true): Uint8Array
Defined in Type.ts:78
description: Encodes the value as a Uint8Array as per the parity-codec specifications
Parameters:
| Name | Type | Description |
|---|---|---|
Optional isBare |
undefined | false | true |
true when the value has none of the type-specific prefixes (internal) |
Returns: Uint8Array
toUpperCase
▸ toUpperCase(): string
Inherited from String.toUpperCase
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:482
Converts all the alphabetic characters in a string to uppercase.
Returns: string
trim
▸ trim(): string
Inherited from String.trim
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:488
Removes the leading and trailing white space and line terminator characters from a string.
Returns: string
trimLeft
▸ trimLeft(): string
Inherited from String.trimLeft
Defined in /home/travis/build/polkadot-js/api/node_modules/@types/node/index.d.ts:193
Removes whitespace from the left end of a string.
Returns: string
trimRight
▸ trimRight(): string
Inherited from String.trimRight
Defined in /home/travis/build/polkadot-js/api/node_modules/@types/node/index.d.ts:195
Removes whitespace from the right end of a string.
Returns: string
valueOf
▸ valueOf(): string
Inherited from String.valueOf
Defined in /home/travis/build/polkadot-js/api/node_modules/typescript/lib/lib.es5.d.ts:502
Returns the primitive value of the specified object.
Returns: string