91 lines
3.3 KiB
TypeScript
91 lines
3.3 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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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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symbol(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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try {
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var env: Environment = arguments[0], internals: Internals = arguments[1];
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var Object = env.global.Object = internals.object;
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var Function = env.global.Function = internals.function;
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var Array = env.global.Array = internals.array;
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var Promise = env.global.Promise = internals.promise;
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var Boolean = env.global.Boolean = internals.bool;
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var Number = env.global.Number = internals.number;
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var String = env.global.String = internals.string;
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env.setProto('object', Object.prototype);
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env.setProto('function', Function.prototype);
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env.setProto('array', Array.prototype);
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env.setProto('number', Number.prototype);
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env.setProto('string', String.prototype);
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(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('values/symbol');
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run('values/errors');
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run('values/string');
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run('map');
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run('set');
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run('regex');
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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 += e;
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log(e);
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} |