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veffect

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powerful TypeScript validation library built on the robust foundation of Effect combining exceptional type safety, high performance, and developer experience. Taking inspiration from Effect's functional principles, VEffect delivers a balanced approach tha

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/** * This module provides utility functions and type class instances for working with the `string` type in TypeScript. * It includes functions for basic string manipulation, as well as type class instances for * `Equivalence` and `Order`. * * @since 2.0.0 */ import * as equivalence from "./Equivalence.js"; import * as Option from "./Option.js"; import * as order from "./Order.js"; import type * as Ordering from "./Ordering.js"; import type { Refinement } from "./Predicate.js"; import type { NonEmptyArray } from "./ReadonlyArray.js"; /** * Tests if a value is a `string`. * * @param input - The value to test. * * @example * import { isString } from 'effect/String' * * assert.deepStrictEqual(isString("a"), true) * assert.deepStrictEqual(isString(1), false) * * @category guards * @since 2.0.0 */ export declare const isString: Refinement<unknown, string>; /** * @category instances * @since 2.0.0 */ export declare const Equivalence: equivalence.Equivalence<string>; /** * @category instances * @since 2.0.0 */ export declare const Order: order.Order<string>; /** * The empty string `""`. * * @since 2.0.0 */ export declare const empty: ""; /** * Concatenates two strings at the type level. * * @since 2.0.0 */ export type Concat<A extends string, B extends string> = `${A}${B}`; /** * Concatenates two strings at runtime. * * @since 2.0.0 */ export declare const concat: { <B extends string>(that: B): <A extends string>(self: A) => Concat<A, B>; <A extends string, B extends string>(self: A, that: B): Concat<A, B>; }; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('a', S.toUpperCase), 'A') * * @since 2.0.0 */ export declare const toUpperCase: <S extends string>(self: S) => Uppercase<S>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('A', S.toLowerCase), 'a') * * @since 2.0.0 */ export declare const toLowerCase: <T extends string>(self: T) => Lowercase<T>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('abc', S.capitalize), 'Abc') * * @since 2.0.0 */ export declare const capitalize: <T extends string>(self: T) => Capitalize<T>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('ABC', S.uncapitalize), 'aBC') * * @since 2.0.0 */ export declare const uncapitalize: <T extends string>(self: T) => Uncapitalize<T>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('abc', S.replace('b', 'd')), 'adc') * * @since 2.0.0 */ export declare const replace: (searchValue: string | RegExp, replaceValue: string) => (self: string) => string; /** * @since 2.0.0 */ export type Trim<A extends string> = TrimEnd<TrimStart<A>>; /** * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.trim(' a '), 'a') * * @since 2.0.0 */ export declare const trim: <A extends string>(self: A) => Trim<A>; /** * @since 2.0.0 */ export type TrimStart<A extends string> = A extends ` ${infer B}` ? TrimStart<B> : A extends `\n${infer B}` ? TrimStart<B> : A extends `\t${infer B}` ? TrimStart<B> : A extends `\r${infer B}` ? TrimStart<B> : A; /** * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.trimStart(' a '), 'a ') * * @since 2.0.0 */ export declare const trimStart: <A extends string>(self: A) => TrimStart<A>; /** * @since 2.0.0 */ export type TrimEnd<A extends string> = A extends `${infer B} ` ? TrimEnd<B> : A extends `${infer B}\n` ? TrimEnd<B> : A extends `${infer B}\t` ? TrimEnd<B> : A extends `${infer B}\r` ? TrimEnd<B> : A; /** * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.trimEnd(' a '), ' a') * * @since 2.0.0 */ export declare const trimEnd: <A extends string>(self: A) => TrimEnd<A>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('abcd', S.slice(1, 3)), 'bc') * * @since 2.0.0 */ export declare const slice: (start?: number, end?: number) => (self: string) => string; /** * Test whether a `string` is empty. * * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.isEmpty(''), true) * assert.deepStrictEqual(S.isEmpty('a'), false) * * @since 2.0.0 */ export declare const isEmpty: (self: string) => self is ""; /** * Test whether a `string` is non empty. * * @since 2.0.0 */ export declare const isNonEmpty: (self: string) => boolean; /** * Calculate the number of characters in a `string`. * * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.length('abc'), 3) * * @since 2.0.0 */ export declare const length: (self: string) => number; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe('abc', S.split('')), ['a', 'b', 'c']) * assert.deepStrictEqual(pipe('', S.split('')), ['']) * * @since 2.0.0 */ export declare const split: { (separator: string | RegExp): (self: string) => NonEmptyArray<string>; (self: string, separator: string | RegExp): NonEmptyArray<string>; }; /** * Returns `true` if `searchString` appears as a substring of `self`, at one or more positions that are * greater than or equal to `position`; otherwise, returns `false`. * * @since 2.0.0 */ export declare const includes: (searchString: string, position?: number) => (self: string) => boolean; /** * @since 2.0.0 */ export declare const startsWith: (searchString: string, position?: number) => (self: string) => boolean; /** * @since 2.0.0 */ export declare const endsWith: (searchString: string, position?: number) => (self: string) => boolean; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abc", S.charCodeAt(1)), Option.some(98)) * assert.deepStrictEqual(pipe("abc", S.charCodeAt(4)), Option.none()) * * @since 2.0.0 */ export declare const charCodeAt: { (index: number): (self: string) => Option.Option<number>; (self: string, index: number): Option.Option<number>; }; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abcd", S.substring(1)), "bcd") * assert.deepStrictEqual(pipe("abcd", S.substring(1, 3)), "bc") * * @since 2.0.0 */ export declare const substring: (start: number, end?: number) => (self: string) => string; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abc", S.at(1)), Option.some("b")) * assert.deepStrictEqual(pipe("abc", S.at(4)), Option.none()) * * @since 2.0.0 */ export declare const at: { (index: number): (self: string) => Option.Option<string>; (self: string, index: number): Option.Option<string>; }; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abc", S.charAt(1)), Option.some("b")) * assert.deepStrictEqual(pipe("abc", S.charAt(4)), Option.none()) * * @since 2.0.0 */ export declare const charAt: { (index: number): (self: string) => Option.Option<string>; (self: string, index: number): Option.Option<string>; }; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abc", S.codePointAt(1)), Option.some(98)) * * @since 2.0.0 */ export declare const codePointAt: { (index: number): (self: string) => Option.Option<number>; (self: string, index: number): Option.Option<number>; }; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abbbc", S.indexOf("b")), Option.some(1)) * * @since 2.0.0 */ export declare const indexOf: (searchString: string) => (self: string) => Option.Option<number>; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("abbbc", S.lastIndexOf("b")), Option.some(3)) * assert.deepStrictEqual(pipe("abbbc", S.lastIndexOf("d")), Option.none()) * * @since 2.0.0 */ export declare const lastIndexOf: (searchString: string) => (self: string) => Option.Option<number>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("a", S.localeCompare("b")), -1) * assert.deepStrictEqual(pipe("b", S.localeCompare("a")), 1) * assert.deepStrictEqual(pipe("a", S.localeCompare("a")), 0) * * @since 2.0.0 */ export declare const localeCompare: (that: string, locales?: Array<string>, options?: Intl.CollatorOptions) => (self: string) => Ordering.Ordering; /** * It is the `pipe`-able version of the native `match` method. * * @since 2.0.0 */ export declare const match: (regexp: RegExp | string) => (self: string) => Option.Option<RegExpMatchArray>; /** * It is the `pipe`-able version of the native `matchAll` method. * * @since 2.0.0 */ export declare const matchAll: (regexp: RegExp) => (self: string) => IterableIterator<RegExpMatchArray>; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * const str = "\u1E9B\u0323"; * assert.deepStrictEqual(pipe(str, S.normalize()), "\u1E9B\u0323") * assert.deepStrictEqual(pipe(str, S.normalize("NFC")), "\u1E9B\u0323") * assert.deepStrictEqual(pipe(str, S.normalize("NFD")), "\u017F\u0323\u0307") * assert.deepStrictEqual(pipe(str, S.normalize("NFKC")), "\u1E69") * assert.deepStrictEqual(pipe(str, S.normalize("NFKD")), "\u0073\u0323\u0307") * * @since 2.0.0 */ export declare const normalize: (form?: "NFC" | "NFD" | "NFKC" | "NFKD") => (self: string) => string; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("a", S.padEnd(5)), "a ") * assert.deepStrictEqual(pipe("a", S.padEnd(5, "_")), "a____") * * @since 2.0.0 */ export declare const padEnd: (maxLength: number, fillString?: string) => (self: string) => string; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("a", S.padStart(5)), " a") * assert.deepStrictEqual(pipe("a", S.padStart(5, "_")), "____a") * * @since 2.0.0 */ export declare const padStart: (maxLength: number, fillString?: string) => (self: string) => string; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("a", S.repeat(5)), "aaaaa") * * @since 2.0.0 */ export declare const repeat: (count: number) => (self: string) => string; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("ababb", S.replaceAll("b", "c")), "acacc") * assert.deepStrictEqual(pipe("ababb", S.replaceAll(/ba/g, "cc")), "accbb") * * @since 2.0.0 */ export declare const replaceAll: (searchValue: string | RegExp, replaceValue: string) => (self: string) => string; /** * @example * import * as S from 'effect/String' * import * as Option from 'effect/Option' * import { pipe } from 'effect/Function' * * assert.deepStrictEqual(pipe("ababb", S.search("b")), Option.some(1)) * assert.deepStrictEqual(pipe("ababb", S.search(/abb/)), Option.some(2)) * assert.deepStrictEqual(pipe("ababb", S.search("d")), Option.none()) * * @since 2.0.0 */ export declare const search: { (regexp: RegExp | string): (self: string) => Option.Option<number>; (self: string, regexp: RegExp | string): Option.Option<number>; }; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * const str = "\u0130" * assert.deepStrictEqual(pipe(str, S.toLocaleLowerCase("tr")), "i") * * @since 2.0.0 */ export declare const toLocaleLowerCase: (locale?: string | Array<string>) => (self: string) => string; /** * @example * import * as S from 'effect/String' * import { pipe } from 'effect/Function' * * const str = "i\u0307" * assert.deepStrictEqual(pipe(str, S.toLocaleUpperCase("lt-LT")), "I") * * @since 2.0.0 */ export declare const toLocaleUpperCase: (locale?: string | Array<string>) => (self: string) => string; /** * Keep the specified number of characters from the start of a string. * * If `n` is larger than the available number of characters, the string will * be returned whole. * * If `n` is not a positive number, an empty string will be returned. * * If `n` is a float, it will be rounded down to the nearest integer. * * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.takeLeft("Hello World", 5), "Hello") * * @since 2.0.0 */ export declare const takeLeft: { (n: number): (self: string) => string; (self: string, n: number): string; }; /** * Keep the specified number of characters from the end of a string. * * If `n` is larger than the available number of characters, the string will * be returned whole. * * If `n` is not a positive number, an empty string will be returned. * * If `n` is a float, it will be rounded down to the nearest integer. * * @example * import * as S from 'effect/String' * * assert.deepStrictEqual(S.takeRight("Hello World", 5), "World") * * @since 2.0.0 */ export declare const takeRight: { (n: number): (self: string) => string; (self: string, n: number): string; }; /** * Returns an `IterableIterator` which yields each line contained within the * string, trimming off the trailing newline character. * * @since 2.0.0 */ export declare const linesIterator: (self: string) => LinesIterator; /** * Returns an `IterableIterator` which yields each line contained within the * string as well as the trailing newline character. * * @since 2.0.0 */ export declare const linesWithSeparators: (s: string) => LinesIterator; /** * For every line in this string, strip a leading prefix consisting of blanks * or control characters followed by the character specified by `marginChar` * from the line. * * @since 2.0.0 */ export declare const stripMarginWith: { (marginChar: string): (self: string) => string; (self: string, marginChar: string): string; }; /** * For every line in this string, strip a leading prefix consisting of blanks * or control characters followed by the `"|"` character from the line. * * @since 2.0.0 */ export declare const stripMargin: (self: string) => string; declare class LinesIterator implements IterableIterator<string> { readonly s: string; readonly stripped: boolean; private index; private readonly length; constructor(s: string, stripped?: boolean); next(): IteratorResult<string>; [Symbol.iterator](): IterableIterator<string>; private get done(); } export {}; //# sourceMappingURL=String.d.ts.map