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

Inherited from Text.length

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(): 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(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(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

Implementation of Codec.toHex

Inherited from Text.toHex

Defined in Text.ts:62

description: Returns a hex string representation of the value

Returns: string

toJSON

▸ toJSON(): any

Implementation of Codec.toJSON

Inherited from Text.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

Inherited from Text.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

Implementation of Codec.toU8a

Overrides Text.toU8a

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

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