113 lines
4.3 KiB
TypeScript
113 lines
4.3 KiB
TypeScript
interface Environment {
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global: typeof globalThis & Record<string, any>;
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proto(name: string): object;
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setProto(name: string, val: object): void;
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symbol(name: string): symbol;
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}
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interface Internals {
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object: ObjectConstructor;
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function: FunctionConstructor;
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array: ArrayConstructor;
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promise: PromiseConstructor;
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bool: BooleanConstructor;
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number: NumberConstructor;
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string: StringConstructor;
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symbol: SymbolConstructor;
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error: ErrorConstructor;
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syntax: SyntaxErrorConstructor;
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type: TypeErrorConstructor;
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range: RangeErrorConstructor;
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regexp: typeof RegExp;
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map: typeof Map;
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set: typeof Set;
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markSpecial(...funcs: Function[]): void;
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getEnv(func: Function): Environment | undefined;
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setEnv<T>(func: T, env: Environment): T;
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apply(func: Function, thisArg: any, args: any[], env?: Environment): any;
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delay(timeout: number, callback: Function): () => void;
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pushMessage(micro: boolean, func: Function, thisArg: any, args: any[]): void;
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strlen(val: string): number;
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char(val: string): number;
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stringFromStrings(arr: string[]): string;
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stringFromChars(arr: number[]): string;
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getSymbol(name?: string): symbol;
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symbolToString(sym: symbol): string;
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isArray(obj: any): boolean;
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generator(func: (_yield: <T>(val: T) => unknown) => (...args: any[]) => unknown): GeneratorFunction;
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defineField(obj: object, key: any, val: any, writable: boolean, enumerable: boolean, configurable: boolean): boolean;
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defineProp(obj: object, key: any, get: Function | undefined, set: Function | undefined, enumerable: boolean, configurable: boolean): boolean;
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keys(obj: object, onlyString: boolean): any[];
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ownProp(obj: any, key: string): PropertyDescriptor<any, any>;
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ownPropKeys(obj: any): any[];
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lock(obj: object, type: 'ext' | 'seal' | 'freeze'): void;
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extensible(obj: object): boolean;
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sort(arr: any[], comaprator: (a: any, b: any) => number): void;
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log(...args: any[]): void;
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}
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var env: Environment = arguments[0], internals: Internals = arguments[1];
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try {
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const values = {
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Object: env.global.Object = internals.object,
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Function: env.global.Function = internals.function,
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Array: env.global.Array = internals.array,
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Promise: env.global.Promise = internals.promise,
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Boolean: env.global.Boolean = internals.bool,
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Number: env.global.Number = internals.number,
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String: env.global.String = internals.string,
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Symbol: env.global.Symbol = internals.symbol,
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Error: env.global.Error = internals.error,
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SyntaxError: env.global.SyntaxError = internals.syntax,
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TypeError: env.global.TypeError = internals.type,
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RangeError: env.global.RangeError = internals.range,
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RegExp: env.global.RegExp = internals.regexp,
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Map: env.global.Map = internals.map,
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Set: env.global.Set = internals.set,
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}
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const Array = values.Array;
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env.setProto('object', env.global.Object.prototype);
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env.setProto('function', env.global.Function.prototype);
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env.setProto('array', env.global.Array.prototype);
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env.setProto('number', env.global.Number.prototype);
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env.setProto('string', env.global.String.prototype);
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env.setProto('symbol', env.global.Symbol.prototype);
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env.setProto('bool', env.global.Boolean.prototype);
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env.setProto('error', env.global.Error.prototype);
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env.setProto('rangeErr', env.global.RangeError.prototype);
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env.setProto('typeErr', env.global.TypeError.prototype);
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env.setProto('syntaxErr', env.global.SyntaxError.prototype);
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(env.global.Object.prototype as any).__proto__ = null;
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internals.getEnv(run)?.setProto('array', Array.prototype);
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globalThis.log = (...args) => internals.apply(internals.log, internals, args);
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run('timeout');
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env.global.log = log;
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env.global.NewObject = internals.object;
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log('Loaded polyfills!');
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}
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catch (e: any) {
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let err = 'Uncaught error while loading polyfills: ';
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if (typeof Error !== 'undefined' && e instanceof Error && e.toString !== {}.toString) err += e;
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else if ('message' in e) {
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if ('name' in e) err += e.name + ": " + e.message;
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else err += 'Error: ' + e.message;
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}
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else err += "[unknown]";
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internals.log(err);
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}
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