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Merged
DhanushNehru merged 3 commits into from
Oct 30, 2025
Merged

feat: Add stdin support, improve error reporting and UI #207

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eaf0436
feat: Implement automatic code saving and loading to local storage
Oct 29, 2025
13a60e9
feat: Add stdin support, improve error reporting and UI
Oct 29, 2025
81c6f73
making changes according to copilot
Oct 29, 2025
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180 changes: 128 additions & 52 deletions src/pages/EditorComponent.js
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,41 @@
"@media (min-width: 1024px)": {
height: "30vh",
padding: "1rem",
width: "50%",
},
}));

const InputLayout = styled("div")(({ theme }) => ({
backgroundColor: theme.palette.background.paper,
height: "20vh",
margin: "1rem 0",
overflow: "auto",
border: `2px solid ${theme.palette.divider}`,
borderRadius: "1rem",
padding: "1rem",
"@media (min-width: 1024px)": {
height: "30vh",
padding: "1rem",
width: "50%",
margin: "1rem 0 0 1rem",
},
}));

const StyledTextArea = styled("textarea")(({ theme }) => ({
width: "100%",
height: "calc(100% - 40px)",
background: "transparent",
color: theme.palette.text.primary,
border: "none",
resize: "none",
outline: "none",
fontSize: "1rem",
"&::placeholder": {
color: theme.palette.text.secondary,
opacity: 0.8,
},
"&:focus::placeholder": {
color: "transparent",
},
}));

Expand All @@ -79,6 +114,7 @@

function EditorComponent() {
const [code, setCode] = useState(null);
const [stdin, setStdin] = useState("");
const [output, setOutput] = useState([]);
const [currentLanguage, setCurrentLanguage] = useState(
LANGUAGES[0].DEFAULT_LANGUAGE
Expand Down Expand Up @@ -133,9 +169,28 @@
DEFAULT_LANGUAGE: selectedLanguage.DEFAULT_LANGUAGE,
NAME: selectedLanguage.NAME,
});
setCode(selectedLanguage.HELLO_WORLD);
const savedCode = localStorage.getItem(`code-${selectedLanguage.DEFAULT_LANGUAGE}`);
if (savedCode !== null) {
setCode(savedCode);
} else {
setCode(selectedLanguage.HELLO_WORLD);
}
}, [currentLanguage]);

useEffect(() => {
const handler = setTimeout(() => {
if (code) {
localStorage.setItem(`code-${currentLanguage}`, code);
} else {
localStorage.removeItem(`code-${currentLanguage}`);
}
}, 500);

return () => {
clearTimeout(handler);
};
}, [code]);

Check warning on line 192 in src/pages/EditorComponent.js

View workflow job for this annotation

GitHub Actions / Performs linting on the application 

React Hook useEffect has a missing dependency: 'currentLanguage'. Either include it or remove the dependency array

const handleEditorThemeChange = async (_, theme) => {
if (["light", "vs-dark"].includes(theme.ID)) {
setCurrentEditorTheme(theme);
Expand Down Expand Up @@ -178,7 +233,7 @@
body: JSON.stringify({
source_code: encodedCode,
language_id: languageDetails.ID,
stdin: "",
stdin: btoa(stdin),
expected_output: "",
}),
}
Expand Down Expand Up @@ -208,16 +263,25 @@
)
.then((response) => response.json())
.then((data) => {
if (!data.stdout) {
enqueueSnackbar("Please check the code", { variant: "error" });
if (data.stderr) {
setOutput(decodeFormat(data.stderr));
} else if (data.compile_output) {
setOutput(decodeFormat(data.compile_output));
}
return;
const newOutput = [];
let errorMessage = [];

if (data.stdout) {
newOutput.push(...decodeFormat(data.stdout));
}
setOutput(decodeFormat(data.stdout));
if (data.stderr) {
newOutput.push(...decodeFormat(data.stderr));
errorMessage.push("Error in code");
}
if (data.compile_output) {
newOutput.push(...decodeFormat(data.compile_output));
errorMessage.push("Compilation error");
}

if (errorMessage.length > 0) {
enqueueSnackbar(errorMessage.join(" and "), { variant: "error" });
}
setOutput(newOutput);
})
.catch((error) => {
enqueueSnackbar("Error retrieving output: " + error.message, {
Expand All @@ -229,7 +293,7 @@
} catch (error) {
enqueueSnackbar("Error: " + error.message, { variant: "error" });
}
}, [enqueueSnackbar, languageDetails]);
}, [enqueueSnackbar, languageDetails, stdin]);

// import file
const [isImporting, setIsImporting] = React.useState(false);
Expand Down Expand Up @@ -651,49 +715,61 @@
</StyledButton>
</div>
</StyledLayout>
<OutputLayout>
<div className="output-header">
<Typography
variant="h6"
sx={{ fontSize: "1rem", fontWeight: "bold" }}
>
Output
</Typography>
<div className="output-controls">
<Button
size="small"
onClick={copyOutput}
startIcon={<FaCopy />}
variant="outlined"
sx={{ minWidth: "auto", padding: "4px 8px" }}
>
Copy
</Button>
<Button
size="small"
onClick={clearOutput}
startIcon={<FaTrash />}
variant="outlined"
sx={{ minWidth: "auto", padding: "4px 8px", marginLeft: "0.5rem" }}
<div style={{ display: "flex", flexDirection: "row" }}>
<OutputLayout>
<div className="output-header">
<Typography
variant="h6"
sx={{ fontSize: "1rem", fontWeight: "bold" }}
>
Clear
</Button>
Output
</Typography>
<div className="output-controls">
<Button
size="small"
onClick={copyOutput}
startIcon={<FaCopy />}
variant="outlined"
sx={{ minWidth: "auto", padding: "4px 8px" }}
>
Copy
</Button>
<Button
size="small"
onClick={clearOutput}
startIcon={<FaTrash />}
variant="outlined"
sx={{ minWidth: "auto", padding: "4px 8px", marginLeft: "0.5rem" }}
>
Clear
</Button>
</div>
</div>
</div>
<div className="output-content">
{Array.isArray(output) && output.length > 0 ? (
output.map((result, i) => (
<div key={i} className="output-line">
{result}
<div className="output-content">
{Array.isArray(output) && output.length > 0 ? (
output.map((result, i) => (
<div key={i} className="output-line">
{result}
</div>
))
) : (
<div className="output-empty">
No output yet. Run your code to see results!
</div>
))
) : (
<div className="output-empty">
No output yet. Run your code to see results!
</div>
)}
</div>
</OutputLayout>
)}
</div>
</OutputLayout>
<InputLayout>
<Typography variant="h6" sx={{ fontSize: "1rem", fontWeight: "bold" }}>
Input
</Typography>
<StyledTextArea
value={stdin}
onChange={(e) => setStdin(e.target.value)}
placeholder="Provide all program input here before running"
/>
</InputLayout>
</div>
</>
);

Expand Down