index.d.ts

// Function.d.ts
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/**
 * Creates a new function.
 */
interface Function {
    /**
     * For a given function, creates a bound function that has the same body as the original function.
     * The this object of the bound function is associated with the specified object, and has the specified initial parameters.
     * @param thisArg An object to which the this keyword can refer inside the new function.
     * @param argArray A list of arguments to be passed to the new function.
     */
    bind(this: Function, thisArg: any, ...argArray: any[]): any;
}
// Array.d.ts

interface ArrayConstructor {
    isArray(arg: any): arg is any[];
}

interface Array<T> {
    /**
     * Determines whether all the members of an array satisfy the specified test.
     * @param callbackfn A function that accepts up to three arguments. The every method calls
     * the callbackfn function for each element in the array until the callbackfn returns a value
     * which is coercible to the Boolean value false, or until the end of the array.
     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
     * If thisArg is omitted, undefined is used as the this value.
     */
    every(callbackfn: (value: T, index: number, array: T[]) => unknown, thisArg?: any): boolean;

    /**
     * Returns the elements of an array that meet the condition specified in a callback function.
     * @param callbackfn A function that accepts up to three arguments. The filter method calls the callbackfn function one time for each element in the array.
     * @param thisArg An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
     */
    filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[];

    /**
     * Returns the elements of an array that meet the condition specified in a callback function.
     * @param callbackfn A function that accepts up to three arguments. The filter method calls the callbackfn function one time for each element in the array.
     * @param thisArg An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
     */
    filter(callbackfn: (value: T, index: number, array: T[]) => unknown, thisArg?: any): T[];

    /**
     * Performs the specified action for each element in an array.
     * @param callbackfn  A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.
     * @param thisArg  An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
     */
    forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void;

    /**
     * Returns the index of the first occurrence of a value in an array.
     * @param searchElement The value to locate in the array.
     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.
     */
    indexOf(searchElement: T, fromIndex?: number): number;

    /**
     * Returns the index of the last occurrence of a specified value in an array.
     * @param searchElement The value to locate in the array.
     * @param fromIndex The array index at which to begin the search. If fromIndex is omitted, the search starts at the last index in the array.
     */
    lastIndexOf(searchElement: T, fromIndex?: number): number;

    /**
     * Calls a defined callback function on each element of an array, and returns an array that contains the results.
     * @param callbackfn A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array.
     * @param thisArg An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
     */
    map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): 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.
     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
     */
    reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T;

    /**
     * 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.
     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
     * @param initialValue 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.
     */
    reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T;

    /**
     * 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.
     * @param callbackfn A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
     * @param initialValue 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.
     */
    reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): 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.
     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
     */
    reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T;

    /**
     * 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.
     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
     * @param initialValue 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.
     */
    reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T;

    /**
     * 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.
     * @param callbackfn A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
     * @param initialValue 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.
     */
    reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U;

    /**
     * Determines whether the specified callback function returns true for any element of an array.
     * @param callbackfn A function that accepts up to three arguments. The some method calls
     * the callbackfn function for each element in the array until the callbackfn returns a value
     * which is coercible to the Boolean value true, or until the end of the array.
     * @param thisArg An object to which the this keyword can refer in the callbackfn function.
     * If thisArg is omitted, undefined is used as the this value.
     */
    some(callbackfn: (value: T, index: number, array: T[]) => unknown, thisArg?: any): boolean;
}

declare var Array: ArrayConstructor;
// Object.d.ts


interface PropertyDescriptor {
    configurable?: boolean;
    enumerable?: boolean;
    value?: any;
    writable?: boolean;

    get?(): any;

    set?(v: any): void;
}

interface PropertyDescriptorMap {
    [s: string]: PropertyDescriptor;
}

declare type PropertyKey = string | number | symbol;

/**
 * Marker for contextual 'this' type
 */
interface ThisType<T> { }

interface ObjectConstructor {
    /**
     * Creates an object that has the specified prototype or that has null prototype.
     * @param o Object to use as a prototype. May be null.
     */
    create(o: object | null): any;

    /**
     * Adds a property to an object, or modifies attributes of an existing property.
     * @param o Object on which to add or modify the property. This can be a native JavaScript object (that is, a user-defined object or a built in object) or a DOM object.
     * @param p The property name.
     * @param attributes Descriptor for the property. It can be for a data property or an accessor property.
     */
    defineProperty(o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>): any;

    /**
     * Adds one or more properties to an object, and/or modifies attributes of existing properties.
     * @param o Object on which to add or modify the properties. This can be a native JavaScript object or a DOM object.
     * @param properties JavaScript object that contains one or more descriptor objects. Each descriptor object describes a data property or an accessor property.
     */
    defineProperties(o: any, properties: PropertyDescriptorMap & ThisType<any>): any;

    /**
     * Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
     * @param o Object on which to lock the attributes.
     */
    freeze<T>(o: T[]): readonly T[];

    /**
     * Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
     * @param o Object on which to lock the attributes.
     */
    freeze<T extends Function>(o: T): T;

    /**
     * Prevents the modification of existing property attributes and values, and prevents the addition of new properties.
     * @param o Object on which to lock the attributes.
     */
    freeze<T>(o: T): Readonly<T>;

    /**
     * Gets the own property descriptor of the specified object.
     * An own property descriptor is one that is defined directly on the object and is not inherited from the object's prototype.
     * @param o Object that contains the property.
     * @param p Name of the property.
     */
    getOwnPropertyDescriptor(o: any, p: PropertyKey): PropertyDescriptor | undefined;

    /**
     * Returns the names of the own properties of an object. The own properties of an object are those that are defined directly
     * on that object, and are not inherited from the object's prototype. The properties of an object include both fields (objects) and functions.
     * @param o Object that contains the own properties.
     */
    getOwnPropertyNames(o: any): string[];

    /**
     * Returns a value that indicates whether new properties can be added to an object.
     * @param o Object to test.
     */
    isExtensible(o: any): boolean;

    /**
     * Returns true if existing property attributes and values cannot be modified in an object, and new properties cannot be added to the object.
     * @param o Object to test.
     */
    isFrozen(o: any): boolean;

    /**
     * Returns true if existing property attributes cannot be modified in an object and new properties cannot be added to the object.
     * @param o Object to test.
     */
    isSealed(o: any): boolean;

    /**
     * Returns the names of the enumerable string properties and methods of an object.
     * @param o Object that contains the properties and methods. This can be an object that you created or an existing Document Object Model (DOM) object.
     */
    keys(o: object): string[];

    /**
     * Prevents the addition of new properties to an object.
     * @param o Object to make non-extensible.
     */
    preventExtensions<T>(o: T): T;

    /**
     * Prevents the modification of attributes of existing properties, and prevents the addition of new properties.
     * @param o Object on which to lock the attributes.
     */
    seal<T>(o: T): T;
}

/**
 * Provides functionality common to all JavaScript objects.
 */
declare var Object: ObjectConstructor;

// String.d.ts

interface String {
    /** Removes the leading and trailing white space and line terminator characters from a string. */
    trim(): string;
}

// Date.d.ts

/** Enables basic storage and retrieval of dates and times. */
interface Date {
    /** Returns a date as a string value in ISO format. */
    toISOString(): string;
}
// JSON.d.ts

interface JSON {
    /**
     * Converts a JavaScript Object Notation (JSON) string into an object.
     * @param text A valid JSON string.
     * @param reviver A function that transforms the results. This function is called for each member of the object.
     * If a member contains nested objects, the nested objects are transformed before the parent object is.
     */
    parse(text: string, reviver?: (this: any, key: string, value: any) => any): any;

    /**
     * Converts a JavaScript value to a JavaScript Object Notation (JSON) string.
     * @param value A JavaScript value, usually an object or array, to be converted.
     * @param replacer A function that transforms the results.
     * @param space Adds indentation, white space, and line break characters to the return-value JSON text to make it easier to read.
     */
    stringify(value: any, replacer?: (this: any, key: string, value: any) => any, space?: string | number): string;

    /**
     * Converts a JavaScript value to a JavaScript Object Notation (JSON) string.
     * @param value A JavaScript value, usually an object or array, to be converted.
     * @param replacer An array of strings and numbers that acts as a approved list for selecting the object properties that will be stringified.
     * @param space Adds indentation, white space, and line break characters to the return-value JSON text to make it easier to read.
     */
    stringify(value: any, replacer?: (number | string)[] | null, space?: string | number): string;
}

/**
 * An intrinsic object that provides functions to convert JavaScript values to and from the JavaScript Object Notation (JSON) format.
 */
declare var JSON: JSON;