85 lines
2.1 KiB
JavaScript
85 lines
2.1 KiB
JavaScript
export class CodeRunner {
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constructor(console, codeStopper) {
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this.console = console;
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this.codeStopper = codeStopper;
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this.isRunning = false;
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this.evalScope = {};
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window.playgroundConsole = this.console;
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}
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setCode(code) {
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this.code = code;
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}
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async run() {
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this.isRunning = true;
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this.console.clear();
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this.console.log("Running code...");
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this.codeStopper.start();
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// Use RNG to prevent caching
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const encodedText = encodeURIComponent(
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`let console=playgroundConsole;${this.code}/*(tph): ${Math.random()}*/`,
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);
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try {
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const module = await import(`data:text/javascript;charset=utf-8,${encodedText}`);
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this.evalScope = Object.assign(this.evalScope, module);
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} catch (error) {
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this.console.error(error);
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}
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}
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stop() {
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this.isRunning = false;
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this.codeStopper.stop();
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this.console.log("Stopping code...");
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}
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toggle() {
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if (this.isRunning) {
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this.stop();
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} else {
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this.run();
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}
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}
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evaluateCode(code) {
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// Move evalScope to window
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const oldWindow = {};
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for (const prop in this.evalScope) {
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if (!this.evalScope.hasOwnProperty(prop)) continue;
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oldWindow[prop] = window[prop];
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window[prop] = this.evalScope[prop];
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}
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// Evaluate code
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const func = new Function(`"use strict";let console=playgroundConsole;return ${code}`);
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try {
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const result = func();
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this.console.log(result);
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} catch (e) {
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this.console.error(e);
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if (e instanceof ReferenceError) {
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this.console.info(
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"Note: use `export` to allow use of variables within the console",
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);
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}
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}
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// Restore old window props
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for (const prop in oldWindow) {
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if (!oldWindow.hasOwnProperty(prop)) continue;
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window[prop] = oldWindow[prop];
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}
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}
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}
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