🧮 Calculadora

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\n \n \n`;\n\nexport default function handler(req: Request): Response {\n const url = new URL(req.url);\n\n // ?expr=... returns JSON instead of HTML\n if (url.searchParams.has(\"expr\")) {\n const expr = url.searchParams.get(\"expr\")!;\n try {\n return Response.json({ expr, result: solveExpression(expr) });\n } catch {\n return Response.json({ expr, error: \"Could not parse expression\" }, {\n status: 400,\n });\n }\n }\n\n return new Response(PAGE, {\n headers: { \"content-type\": \"text/html; charset=utf-8\" },\n });\n}\n","children",[],[173],["D",1787195321120],[],[18],"846a3537-344c-44c4-97c9-f355bbeb185c","client.ts","4eccc6ea-9c44-11f1-a87a-1607ee4eb77e",["D",1787195508327],"script","// Lógica da calculadora: monta a expressão pelos botões e avalia no backend.\nconst display = document.getElementById(\"display\") as HTMLInputElement;\nlet expr = \"\";\n\nfunction pretty(s: string): string {\n // Mostra símbolos bonitos; o backend entende a forma ASCII.\n return s.replace(/sqrt\\(/g, \"√(\").replace(/\\*/g, \"×\").replace(/\\//g, \"÷\");\n}\n\nfunction render(): void {\n display.value = expr ? pretty(expr) : \"0\";\n}\n\nasync function evaluate(): Promise {\n if (!expr) return;\n const res = await fetch(\"?expr=\" + encodeURIComponent(expr));\n const data = await res.json();\n if (data.error) {\n display.value = \"Erro\";\n } else {\n display.value = pretty(expr) + \" = \" + data.result;\n }\n}\n\ndocument.querySelectorAll(\"button\").forEach((btn) => {\n btn.addEventListener(\"click\", () => {\n const v = btn.dataset.v!;\n if (v === \"=\") return evaluate();\n if (v === \"C\") {\n expr = \"\";\n return render();\n }\n if (v === \"back\") {\n expr = expr.slice(0, -1);\n return render();\n }\n expr += (v === \"sqrt\") ? \"sqrt(\" : v;\n render();\n });\n});\n",[],[186],["D",1787195127072],{"_11":12,"_129":69},{"_11":12,"_124":125,"_68":69,"_30":67,"_126":127,"_128":24},{"_39":115,"_13":16,"_33":36,"_116":80,"_117":-5,"_118":-5,"_119":-5,"_120":-5,"_121":-5,"_122":14,"_123":12},"ctx",{"_52":-5,"_148":230,"_231":232,"_233":234,"_235":24,"_236":24,"_237":24,"_238":92,"_239":-5,"_240":-7,"_241":-7,"_242":26,"_243":24,"_244":24,"_245":-5,"_246":24,"_247":24,"_248":24,"_249":-5},"ENV",{"_201":202,"_203":204,"_205":16,"_206":207,"_208":209,"_210":211,"_212":213,"_214":215,"_216":217,"_218":219,"_220":221,"_222":223,"_224":225,"_226":227,"_228":229},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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