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interfaces.ts
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interfaces.ts
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export interface IPerformance {
now(): number;
mark(name: string): void;
measure(name: string, start?: string, end?: string): void;
getEntriesByName(name: string): IPerformanceEntry[];
getEntriesByType(type: string): IPerformanceEntry[];
clearMarks(name?: string): void;
clearMeasures(name?: string): void;
}
export interface IPerformanceEntry {
readonly duration: number;
readonly entryType: string;
readonly name: string;
readonly startTime: number;
}
export type ITimerHandler = string | ((...args: unknown[]) => void);
declare namespace NodeJS {
interface Process {
// tslint:disable-next-line:no-any
env?: any;
uptime(): number;
hrtime(): [number, number];
}
}
export interface IStorage {
readonly length: number;
clear(): void;
getItem(key: string): string | null;
key(index: number): string | null;
removeItem(key: string): void;
setItem(key: string, value: string): void;
// tslint:disable-next-line:no-any
[name: string]: any;
}
export interface IWindowOrWorkerGlobalScope {
process?: NodeJS.Process;
readonly performance: IPerformance;
readonly localStorage?: IStorage;
clearInterval(handle?: number): void;
clearTimeout(handle?: number): void;
// tslint:disable-next-line:no-any
setInterval(handler: ITimerHandler, timeout?: number, ...args: any[]): number;
// tslint:disable-next-line:no-any
setTimeout(handler: ITimerHandler, timeout?: number, ...args: any[]): number;
requestAnimationFrame(callback: IFrameRequestCallback): number;
cancelAnimationFrame(handle: number): void;
}
export interface IFrameRequestCallback {
// tslint:disable-next-line:callable-types
(time: number): void;
}
export interface ICallable {
call(...args: unknown[]): unknown;
}
export interface IDisposable {
dispose(): void;
}
export type Constructable<T = {}> = {
// tslint:disable-next-line:callable-types
new(...args: unknown[]): T;
};
export type Class<T, C = IIndexable> = C & {
readonly prototype: T;
new(...args: unknown[]): T;
};
// For resources, we want the 'constructor' property to remain on the instance type but we need to do that
// with a separate type from Class, since that one is used for other things where this constructor property
// would break the typings.
// So, in lack of a better name.. we probably need to clean this up, but this is how it works for now.
export type ConstructableClass<T, C = IIndexable> = C & {
readonly prototype: T & { constructor: C };
new(...args: unknown[]): T & { constructor: C };
};
export type InterfaceSymbol<T = unknown> = (target: Injectable<T>, property: string, index: number) => unknown;
export type InjectArray = ReadonlyArray<InterfaceSymbol | Constructable | string>;
export type Injectable<T = {}> = Constructable<T> & { inject?: (InterfaceSymbol | Constructable)[] };
export type IIndexable<T extends object = object> = T & { [key: string]: unknown };
export type ImmutableObject<T> =
T extends [infer A1, infer B1, infer C1, infer D1, infer E1, infer F1, infer G] ? ImmutableArray<[A1, B1, C1, D1, E1, F1, G]> :
T extends [infer A2, infer B2, infer C2, infer D2, infer E2, infer F2] ? ImmutableArray<[A2, B2, C2, D2, E2, F2]> :
T extends [infer A3, infer B3, infer C3, infer D3, infer E3] ? ImmutableArray<[A3, B3, C3, D3, E3]> :
T extends [infer A4, infer B4, infer C4, infer D4] ? ImmutableArray<[A4, B4, C4, D4]> :
T extends [infer A5, infer B5, infer C5] ? ImmutableArray<[A5, B5, C5]> :
T extends [infer A6, infer B6] ? ImmutableArray<[A6, B6]> :
T extends [infer A7] ? ImmutableArray<[A7]> :
T extends (infer A)[] ? ImmutableArray<A> :
T extends unknown[] ? ImmutableArray<T[number]> :
T extends Map<infer U1, infer V1> ? ReadonlyMap<Immutable<U1>, Immutable<V1>> :
T extends Set<infer U2> ? ReadonlySet<Immutable<U2>> :
T extends Record<string, infer V2> ? Record<string, Immutable<V2>> :
T extends object ? Immutable<T> :
T;
export interface ImmutableArray<T> extends ReadonlyArray<ImmutableObject<T>> {}
export type Immutable<T> = {
readonly [K in keyof T]: ImmutableObject<T[K]>
};
export type Writable<T> = {
-readonly [K in keyof T]: T[K]
};
export type Diff<T extends string, U extends string> = ({[P in T]: P } & {[P in U]: never } & { [x: string]: never })[T];
export type Omit<T, K extends keyof T> = T extends {} ? Pick<T, Exclude<keyof T, K>> : never;
export type Overwrite<T1, T2> = Pick<T1, Exclude<keyof T1, keyof T2>> & T2;
export type KnownKeys<T> = {
[K in keyof T]: string extends K ? never : number extends K ? never : K
} extends {[_ in keyof T]: infer U} ? U : never;
export type RequiredKnownKeys<T> = {
[K in keyof T]: {} extends Pick<T, K> ? never : K
} extends { [_ in keyof T]: infer U } ? ({} extends U ? never : U) : never;
export type OptionalKnownKeys<T> = {
[K in keyof T]: string extends K ? never : number extends K ? never : {} extends Pick<T, K> ? K : never
} extends { [_ in keyof T]: infer U } ? ({} extends U ? never : U) : never;
export type ValuesOf<T> = T extends { [_ in keyof T]: infer U } ? U : never;
export type RequiredValuesOf<T> = T extends { [_ in keyof T]: infer U } ? U : never;
export type OptionalValuesOf<T> = T extends { [_ in keyof T]: infer U } ? U : never;
// https://github.com/Microsoft/TypeScript/issues/14829#issuecomment-322267089
export type NoInfer<T> = T & { [K in keyof T]: T[K] };
export type Purify<T extends string> = { [P in T]: T }[T];
export type Public<T> = { [P in keyof T]: T[P] };
// tslint:disable-next-line:no-any
export type Param0<Func> = Func extends (a: infer T, ...args: any[]) => any ? T : never;
// tslint:disable-next-line:no-any
export type Param1<Func> = Func extends (a: any, b: infer T, ...args: any[]) => any ? T : never;
// tslint:disable-next-line:no-any
export type Param2<Func> = Func extends (a: any, b: any, c: infer T, ...args: any[]) => any
? T
: never;
// tslint:disable-next-line:no-any
export type Param3<Func> = Func extends (a: any, b: any, c: any, d: infer T, ...args: any[]) => any
? T
: never;
// https://gist.github.com/staltz/368866ea6b8a167fbdac58cddf79c1bf
export type Pick2<T, K1 extends keyof T, K2 extends keyof T[K1]> = {
[P1 in K1]: { [P2 in K2]: (T[K1])[P2] }
};
// https://gist.github.com/staltz/368866ea6b8a167fbdac58cddf79c1bf=
export type Pick3<T, K1 extends keyof T, K2 extends keyof T[K1], K3 extends keyof T[K1][K2]> = {
[P1 in K1]: { [P2 in K2]: { [P3 in K3]: ((T[K1])[K2])[P3] } }
};
export type Primitive = undefined | null | number | boolean | symbol | string;
// https://github.com/palantir/tslint/issues/4235
// tslint:disable:no-shadowed-variable
export type Unwrap<T> =
T extends (infer U)[] ? U :
T extends (...args: unknown[]) => infer U ? U :
T extends Promise<infer U> ? U :
T;
// tslint:enable:no-shadowed-variable
export type StrictPrimitive = string | number | boolean | null | undefined;