96 lines
2.5 KiB
TypeScript
96 lines
2.5 KiB
TypeScript
import type { Editor } from "./main";
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import type { File } from "./AppSettings";
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const delay = (ms: number) =>
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new Promise((_, reject) =>
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setTimeout(() => reject(new Error("Operation took too long")), ms)
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);
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const codeReplace = (code: string): string => {
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let new_code = code.replace(/->/g, "&&").replace(/::/g, "&&");
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return new_code;
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};
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const tryCatchWrapper = (
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application: Editor,
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code: string
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): Promise<boolean> => {
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return new Promise((resolve, _) => {
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try {
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Function(
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`"use strict";try{${codeReplace(code)}} catch (e) {console.log(e); _reportError(e);};`
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).call(application.api);
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resolve(true);
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} catch (error) {
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application.error_line.innerHTML = error as string;
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console.log(error);
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resolve(false);
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}
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});
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};
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const cache = new Map<string, Function>();
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const MAX_CACHE_SIZE = 20;
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const addFunctionToCache = (code: string, fn: Function) => {
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if (cache.size >= MAX_CACHE_SIZE) {
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// Delete the first item if cache size exceeds max size
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cache.delete(cache.keys().next().value);
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}
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cache.set(code, fn);
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};
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export const tryEvaluate = async (
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application: Editor,
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code: File,
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timeout = 5000
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): Promise<void> => {
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try {
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code.evaluations!++;
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const candidateCode = code.candidate;
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if (cache.has(candidateCode)) {
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// If the code is already in cache, use it
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cache.get(candidateCode)!.call(application.api);
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} else {
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const wrappedCode = `let i = ${code.evaluations};` + candidateCode;
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// Otherwise, evaluate the code and if valid, add it to the cache
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const isCodeValid = await Promise.race([
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tryCatchWrapper(application, wrappedCode as string),
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delay(timeout),
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]);
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if (isCodeValid) {
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code.committed = code.candidate;
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const newFunction = new Function(
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`"use strict";try{${codeReplace(
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wrappedCode
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)}} catch (e) {console.log(e)};`
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);
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addFunctionToCache(candidateCode, newFunction);
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} else {
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await evaluate(application, code, timeout);
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}
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}
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} catch (error) {
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application.error_line.innerHTML = error as string;
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console.log(error);
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}
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};
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export const evaluate = async (
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application: Editor,
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code: File,
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timeout = 1000
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): Promise<void> => {
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try {
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await Promise.race([
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tryCatchWrapper(application, code.committed as string),
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delay(timeout),
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]);
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if (code.evaluations) code.evaluations++;
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} catch (error) {
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application.error_line.innerHTML = error as string;
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console.log(error);
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}
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};
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