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Execution: Add stderr block #2397

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Execution: Add stderr block #2397

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42 changes: 34 additions & 8 deletions theme/book.js
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Original file line number Diff line number Diff line change
Expand Up @@ -110,10 +110,17 @@ function playground_text(playground, hidden = true) {
}

function run_rust_code(code_block) {
var result_block = code_block.querySelector(".result");
var result_stderr_block = code_block.querySelector(".result.stderr");
if (!result_stderr_block) {
result_stderr_block = document.createElement('code');
result_stderr_block.className = 'result stderr hljs nohighlight hidden';

code_block.append(result_stderr_block);
}
var result_block = code_block.querySelector(".result.stdout");
if (!result_block) {
result_block = document.createElement('code');
result_block.className = 'result hljs language-bash';
result_block.className = 'result stdout hljs nohighlight';

code_block.append(result_block);
}
Expand All @@ -127,21 +134,27 @@ function playground_text(playground, hidden = true) {
edition = "2021";
}
var params = {
version: "stable",
optimize: "0",
backtrace: true,
channel: "stable",
code: text,
edition: edition
edition: edition,
mode: "debug",
tests: false,
crateType: "bin",
};

if (text.indexOf("#![feature") !== -1) {
params.version = "nightly";
}

result_block.innerText = "Running...";
// hide stderr block while running
result_stderr_block.innerText = "";
result_stderr_block.classList.add("hidden");

const playgroundModified = isPlaygroundModified(code_block);
const startTime = window.performance.now();
fetch_with_timeout("https://play.rust-lang.org/evaluate.json", {
fetch_with_timeout("https://play.rust-lang.org/execute", {
headers: {
'Content-Type': "application/json",
},
Expand All @@ -158,13 +171,26 @@ function playground_text(playground, hidden = true) {
"latency": (endTime - startTime) / 1000,
});

if (response.result.trim() === '') {
if (response.stdout.trim() === '') {
result_block.innerText = "No output";
result_block.classList.add("result-no-output");
} else {
result_block.innerText = response.result;
result_block.innerText = response.stdout;
result_block.classList.remove("result-no-output");
}

// trim compile message
// ====================
// Compiling playground v0.0.1 (/playground)
// Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
// Running `target/debug/playground`
// ====================
const compileMsgRegex = /^\s+Compiling(.+)\s+Finished(.+)\s+Running(.+)\n/;
response.stderr = response.stderr.replace(compileMsgRegex, "");
if (response.stderr.trim() !== '') {
result_stderr_block.classList.remove("hidden");
result_stderr_block.innerText = response.stderr;
}
})
.catch(error => {
const endTime = window.performance.now();
Expand Down