src/lib/es2015.symbol.wellknown.d.ts

/// <reference lib="es2015.symbol" />

interface SymbolConstructor {
    /**
     * A method that determines if a constructor object recognizes an object as one of the
     * constructor’s instances. Called by the semantics of the instanceof operator.
     */
    readonly hasInstance: unique symbol;

    /**
     * A Boolean value that if true indicates that an object should flatten to its array elements
     * by Array.prototype.concat.
     */
    readonly isConcatSpreadable: unique symbol;

    /**
     * A regular expression method that matches the regular expression against a string. Called
     * by the String.prototype.match method.
     */
    readonly match: unique symbol;

    /**
     * A regular expression method that replaces matched substrings of a string. Called by the
     * String.prototype.replace method.
     */
    readonly replace: unique symbol;

    /**
     * A regular expression method that returns the index within a string that matches the
     * regular expression. Called by the String.prototype.search method.
     */
    readonly search: unique symbol;

    /**
     * A function valued property that is the constructor function that is used to create
     * derived objects.
     */
    readonly species: unique symbol;

    /**
     * A regular expression method that splits a string at the indices that match the regular
     * expression. Called by the String.prototype.split method.
     */
    readonly split: unique symbol;

    /**
     * A method that converts an object to a corresponding primitive value.
     * Called by the ToPrimitive abstract operation.
     */
    readonly toPrimitive: unique symbol;

    /**
     * A String value that is used in the creation of the default string description of an object.
     * Called by the built-in method Object.prototype.toString.
     */
    readonly toStringTag: unique symbol;

    /**
     * An Object whose own property names are property names that are excluded from the 'with'
     * environment bindings of the associated objects.
     */
    readonly unscopables: unique symbol;
}

interface Symbol {
    /**
     * Converts a Symbol object to a symbol.
     */
    [Symbol.toPrimitive](hint: string): symbol;

    readonly [Symbol.toStringTag]: string;
}

interface Array<T> {
    /**
     * Returns an object whose properties have the value 'true'
     * when they will be absent when used in a 'with' statement.
     */
    [Symbol.unscopables](): {
        copyWithin: boolean;
        entries: boolean;
        fill: boolean;
        find: boolean;
        findIndex: boolean;
        keys: boolean;
        values: boolean;
    };
}

interface Date {
    /**
     * Converts a Date object to a string.
     */
    [Symbol.toPrimitive](hint: "default"): string;
    /**
     * Converts a Date object to a string.
     */
    [Symbol.toPrimitive](hint: "string"): string;
    /**
     * Converts a Date object to a number.
     */
    [Symbol.toPrimitive](hint: "number"): number;
    /**
     * Converts a Date object to a string or number.
     *
     * @param hint The strings "number", "string", or "default" to specify what primitive to return.
     *
     * @throws {TypeError} If 'hint' was given something other than "number", "string", or "default".
     * @returns A number if 'hint' was "number", a string if 'hint' was "string" or "default".
     */
    [Symbol.toPrimitive](hint: string): string | number;
}

interface Map<K, V> {
    readonly [Symbol.toStringTag]: string;
}

interface WeakMap<K extends object, V> {
    readonly [Symbol.toStringTag]: string;
}

interface Set<T> {
    readonly [Symbol.toStringTag]: string;
}

interface WeakSet<T extends object> {
    readonly [Symbol.toStringTag]: string;
}

interface JSON {
    readonly [Symbol.toStringTag]: string;
}

interface Function {
    /**
     * Determines whether the given value inherits from this function if this function was used
     * as a constructor function.
     *
     * A constructor function can control which objects are recognized as its instances by
     * 'instanceof' by overriding this method.
     */
    [Symbol.hasInstance](value: any): boolean;
}

interface GeneratorFunction {
    readonly [Symbol.toStringTag]: string;
}

interface Math {
    readonly [Symbol.toStringTag]: string;
}

interface Promise<T> {
    readonly [Symbol.toStringTag]: string;
}

interface PromiseConstructor {
    readonly [Symbol.species]: PromiseConstructor;
}

interface RegExp {
    /**
     * Matches a string with this regular expression, and returns an array containing the results of
     * that search.
     * @param string A string to search within.
     */
    [Symbol.match](string: string): RegExpMatchArray | null;

    /**
     * Replaces text in a string, using this regular expression.
     * @param string A String object or string literal whose contents matching against
     *               this regular expression will be replaced
     * @param replaceValue A String object or string literal containing the text to replace for every
     *                     successful match of this regular expression.
     */
    [Symbol.replace](string: string, replaceValue: string): string;

    /**
     * Replaces text in a string, using this regular expression.
     * @param string A String object or string literal whose contents matching against
     *               this regular expression will be replaced
     * @param replacer A function that returns the replacement text.
     */
    [Symbol.replace](string: string, replacer: (substring: string, ...args: any[]) => string): string;

    /**
     * Finds the position beginning first substring match in a regular expression search
     * using this regular expression.
     *
     * @param string The string to search within.
     */
    [Symbol.search](string: string): number;

    /**
     * Returns an array of substrings that were delimited by strings in the original input that
     * match against this regular expression.
     *
     * If the regular expression contains capturing parentheses, then each time this
     * regular expression matches, the results (including any undefined results) of the
     * capturing parentheses are spliced.
     *
     * @param string string value to split
     * @param limit if not undefined, the output array is truncated so that it contains no more
     * than 'limit' elements.
     */
    [Symbol.split](string: string, limit?: number): string[];
}

interface RegExpConstructor {
    readonly [Symbol.species]: RegExpConstructor;
}

interface String {
    /**
     * Matches a string or an object that supports being matched against, and returns an array
     * containing the results of that search, or null if no matches are found.
     * @param matcher An object that supports being matched against.
     */
    match(matcher: { [Symbol.match](string: string): RegExpMatchArray | null; }): RegExpMatchArray | null;

    /**
     * Passes a string and {@linkcode replaceValue} to the `[Symbol.replace]` method on {@linkcode searchValue}. This method is expected to implement its own replacement algorithm.
     * @param searchValue An object that supports searching for and replacing matches within a string.
     * @param replaceValue The replacement text.
     */
    replace(searchValue: { [Symbol.replace](string: string, replaceValue: string): string; }, replaceValue: string): string;

    /**
     * Replaces text in a string, using an object that supports replacement within a string.
     * @param searchValue A object can search for and replace matches within a string.
     * @param replacer A function that returns the replacement text.
     */
    replace(searchValue: { [Symbol.replace](string: string, replacer: (substring: string, ...args: any[]) => string): string; }, replacer: (substring: string, ...args: any[]) => string): string;

    /**
     * Finds the first substring match in a regular expression search.
     * @param searcher An object which supports searching within a string.
     */
    search(searcher: { [Symbol.search](string: string): number; }): number;

    /**
     * Split a string into substrings using the specified separator and return them as an array.
     * @param splitter An object that can split a string.
     * @param limit A value used to limit the number of elements returned in the array.
     */
    split(splitter: { [Symbol.split](string: string, limit?: number): string[]; }, limit?: number): string[];
}

interface ArrayBuffer {
    readonly [Symbol.toStringTag]: string;
}

interface DataView {
    readonly [Symbol.toStringTag]: string;
}

interface Int8Array {
    readonly [Symbol.toStringTag]: "Int8Array";
}

interface Uint8Array {
    readonly [Symbol.toStringTag]: "Uint8Array";
}

interface Uint8ClampedArray {
    readonly [Symbol.toStringTag]: "Uint8ClampedArray";
}

interface Int16Array {
    readonly [Symbol.toStringTag]: "Int16Array";
}

interface Uint16Array {
    readonly [Symbol.toStringTag]: "Uint16Array";
}

interface Int32Array {
    readonly [Symbol.toStringTag]: "Int32Array";
}

interface Uint32Array {
    readonly [Symbol.toStringTag]: "Uint32Array";
}

interface Float32Array {
    readonly [Symbol.toStringTag]: "Float32Array";
}

interface Float64Array {
    readonly [Symbol.toStringTag]: "Float64Array";
}

interface ArrayConstructor {
    readonly [Symbol.species]: ArrayConstructor;
}
interface MapConstructor {
    readonly [Symbol.species]: MapConstructor;
}
interface SetConstructor {
    readonly [Symbol.species]: SetConstructor;
}
interface ArrayBufferConstructor {
    readonly [Symbol.species]: ArrayBufferConstructor;
}