43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
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import { JSExecutorGlobal, JSExecutor } from "./JSExecutionManagerSingleton";
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declare let Realm: any;
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export default class RealmExecutor implements JSExecutor {
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rootRealm: any;
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creaetSafeObject: any;
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extrinsics: any[] = [];
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createSafeFunction: (unsafeFn: Function) => Function;
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libraries: Record<string, any> = {};
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constructor() {
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this.rootRealm = Realm.makeRootRealm();
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this.createSafeFunction = this.rootRealm.evaluate(`
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(function createSafeFunction(unsafeFn) {
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return function safeFn(...args) {
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unsafeFn(...args);
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}
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})
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`);
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this.creaetSafeObject = this.rootRealm.evaluate(`
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(function creaetSafeObject(unsafeObject) {
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return JSON.parse(JSON.stringify(unsafeObject));
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})
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`);
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}
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registerLibrary(accessor: string, lib: any) {
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this.rootRealm.global[accessor] = lib;
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}
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unRegisterLibrary(accessor: string) {
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this.rootRealm.global[accessor] = null;
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}
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execute(sourceText: string, data: JSExecutorGlobal) {
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const safeData = this.creaetSafeObject(data);
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let result;
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try {
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result = this.rootRealm.evaluate(sourceText, safeData);
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} catch (e) {
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result = `Error: ${e}`;
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}
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return result;
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}
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}
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