Reorganize
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dylan
198
runtime/builtins.ts
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198
runtime/builtins.ts
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import {
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setPixelsInRect,
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clearScreen,
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fillRect,
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cameraPos,
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fillCircle,
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outlineCircle,
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fillEllipse,
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outlineEllipse,
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setPixelColor,
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} from "../io/window.ts";
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import { CHAR, Font, font } from "../data/font.ts";
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import { K, keyDown, keyPressed, keyReleased } from "../io/keyboard.ts";
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import { addToContext, runCode } from "./runcode.ts";
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import { resetRepl } from "../repl/repl.ts";
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import { COLOR } from "../data/colors.ts";
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import { getSheet, getCodeSheet, getMapSheet } from "../io/sheet.ts";
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import { saveCart, loadCart } from "../io/cart.ts";
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import { outlineRect } from "../util/util.ts";
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let spritesheet: number | null = null;
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export const getSpritesheet = () => {
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return spritesheet;
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}
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export const useSpritesheet = (sheet: number) => {
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spritesheet = sheet;
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}
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export const drawSprite = (x: number, y: number, spr: number) => {
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if (!spritesheet) {
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return;
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}
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const {sheet_type, value: sprites} = getSheet(spritesheet);
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if (sheet_type !== "spritesheet") {
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throw "Trying to run a non-code sheet as code."
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}
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setPixelsInRect(x, y, 8, sprites[spr]);
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}
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export const drawIcon = (x: number, y: number, icon: Array<number>, color: number) => {
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setPixelsInRect(x, y, 8, icon.map(n => n*color));
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}
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export const measureCharFont = (char: string, fnt: Font) => {
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return (fnt.chars[char]?.length ?? 0)/fnt.height;
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}
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export const drawCharFont = (x: number, y: number, char: string, fnt: Font, color: number) => {
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const w = measureCharFont(char, fnt);
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if (!fnt.chars[char]) {
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return 0;
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}
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setPixelsInRect(x, y, w, fnt.chars[char].map(n => n*color));
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return w;
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}
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export const drawTextFont = (x: number, y: number, text: string, fnt: Font, color?: number) => {
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let dx = 0;
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[...text].forEach((char) => {
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dx += 1+drawCharFont(x+dx, y, char, fnt, color ?? COLOR.WHITE);
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});
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return dx-1;
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}
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export const measureTextFont = (text: string, fnt: Font) => {
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let w = 0;
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[...text].forEach((char) => {
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w += measureCharFont(char, fnt)+1;
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});
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return Math.max(0, w-1);
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}
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export const drawText = (x: number, y: number, text: string, color?: number) => {
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return drawTextFont(x, y, text, font, color);
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}
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export const measureText = (text: string) => {
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return measureTextFont(text, font);
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}
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export const camera = (x: number, y: number) => {
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cameraPos.x = x;
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cameraPos.y = y;
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};
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const faux = {
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// Graphics
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cls: () => {
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resetRepl();
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clearScreen();
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},
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camera,
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sprsht: useSpritesheet,
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spr: drawSprite,
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txt: drawText,
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rectfill: fillRect,
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rect: outlineRect,
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circfill: fillCircle,
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circ: outlineCircle,
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ovalfill: fillEllipse,
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oval: outlineEllipse,
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pset: setPixelColor,
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map: (mapSheet: number, tileX: number, tileY: number, screenX: number, screenY: number, tileW: number, tileH: number) => {
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const originalSpritesheet = getSpritesheet() ?? 0;
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getMapSheet(mapSheet).values.forEach(([sprSheet, spr], i) => {
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const x = i%64;
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const y = Math.floor(i/64);
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if (x >= tileX && y >= tileY && x < tileX + tileW && y < tileY + tileH) {
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useSpritesheet(sprSheet);
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drawSprite(screenX + (x-tileX)*8, screenY + (y-tileY)*8, spr);
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}
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});
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useSpritesheet(originalSpritesheet);
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},
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// Map
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mgetsht: (mapSheet: number, x: number, y: number) => {
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if (x < 0 || x >= 64 || y < 0 || y >= 64) {
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return undefined;
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}
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return getMapSheet(mapSheet).get(x, y)[0];
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},
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mgetspr: (mapSheet: number, x: number, y: number) => {
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if (x < 0 || x >= 64 || y < 0 || y >= 64) {
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return undefined;
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}
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return getMapSheet(mapSheet).get(x, y)[1];
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},
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// Temporarily removing mset, since it would overwrite static cart data
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// mset: (mapSheet: number, x: number, y: number, sprSheet: number, spr: number) => {
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// if (x < 0 || x >= 64 || y < 0 || y >= 64) {
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// return;
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// }
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// getMapSheet(mapSheet).set(x, y, [sprSheet, spr]);
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// },
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// Input
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[CHAR.UP]: K.ARROW_UP,
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[CHAR.DOWN]: K.ARROW_DOWN,
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[CHAR.LEFT]: K.ARROW_LEFT,
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[CHAR.RIGHT]: K.ARROW_RIGHT,
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btn: keyDown,
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btnp: keyPressed,
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btnr: keyReleased,
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// Cart
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save: saveCart,
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load: loadCart,
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// JS
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Array,
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BigInt: BigInt,
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Boolean,
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Date,
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Error,
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Function,
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Infinity: Infinity,
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JSON: JSON,
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Map,
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NaN: NaN,
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Number,
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Object,
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Promise,
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Proxy,
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Reflect: Reflect,
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RegExp,
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Set,
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String,
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Symbol: Symbol,
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WeakMap,
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WeakRef,
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WeakSet,
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isFinite,
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isNaN,
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parseFloat,
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parseInt,
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// Math
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max: Math.max,
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min: Math.min,
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floor: Math.floor,
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ceil: Math.ceil,
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sin: Math.sin,
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cos: Math.cos,
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atan2: Math.atan2,
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sqrt: Math.sqrt,
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abs: Math.abs,
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rand: Math.random,
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[CHAR.PI]: Math.PI,
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// Other
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code: (n: number) => {
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return runCode(getCodeSheet(n));
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},
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log: console.log,
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};
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for (const key in faux) {
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addToContext(key, faux[key as keyof typeof faux]);
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}
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export default faux;
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61
runtime/runcode.ts
Normal file
61
runtime/runcode.ts
Normal file
@ -0,0 +1,61 @@
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// deno-lint-ignore no-explicit-any
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const builtins: any = {};
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// deno-lint-ignore no-explicit-any
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const G: any = {};
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// deno-lint-ignore no-explicit-any
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export const addToContext = (name: string, value: any) => {
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builtins[name] = value;
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}
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export const getBuiltins = () => {
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return builtins;
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}
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// deno-lint-ignore no-explicit-any
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const AsyncFunction = (async function () {}).constructor as any;
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addToContext("eval", eval);
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const context = new Proxy(G, {
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get: (target, prop) => {
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if (prop in builtins) {
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return builtins[prop as keyof typeof builtins];
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}
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return target[prop];
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},
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set: (target, prop, value) => {
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target[prop] = value;
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return true;
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},
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has: () => {
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return true;
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},
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});
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export const runCode = async (code: string) => {
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try {
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new AsyncFunction(code);
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} catch (err) {
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throw err;
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}
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const fn = new AsyncFunction("context", `
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with (context) {
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${code}
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}
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`);
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return await fn(context);
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}
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export const evalCode = (code: string) => {
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try {
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return runCode(`return eval("(${code.replaceAll('"', '\\"')})");`);
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} catch (err) {
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if (err.name === "SyntaxError") {
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return runCode(`return eval("${code.replaceAll('"', '\\"')}");`);
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} else {
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throw err;
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}
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}
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}
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