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Create flags to enable logs when call methods with fibers is in use. #461

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merged 5 commits into from
Aug 9, 2022
Merged

Create flags to enable logs when call methods with fibers is in use. #461

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fd3b846
Create flags to enable logs when call methods with fibers is in use.
edimarlnx Jul 21, 2022
bdea5d2
Update package version
edimarlnx Jul 21, 2022
7f9c68f
Enable log stack when includes string passed by environment variable …
edimarlnx Jul 26, 2022
9fd9078
Enable log stack when includes string it
edimarlnx Jul 26, 2022
fac1110
Merge pull request #2 from quavedev/feature/fibers-flags-log-using
denihs Jul 28, 2022
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37 changes: 31 additions & 6 deletions fibers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -85,21 +85,46 @@ function setupAsyncHacks(Fiber) {
}
}

function wrapFunction(fn) {
return function() {
function logUsingFibers(fibersMethod) {
const logUseFibersLevel = +(process.env.ENABLE_LOG_USE_FIBERS || 0);

if (!logUseFibersLevel) return;

if (logUseFibersLevel === 1) {
console.warn(`[FIBERS_LOG] Using ${fibersMethod}.`);
return;
}

const { LOG_USE_FIBERS_INCLUDE_IN_PATH } = process.env;
const stackFromError = new Error(`[FIBERS_LOG] Using ${fibersMethod}.`).stack;

if (
!LOG_USE_FIBERS_INCLUDE_IN_PATH ||
stackFromError.includes(LOG_USE_FIBERS_INCLUDE_IN_PATH)
) {
console.warn(stackFromError);
}
}

function wrapFunction(fn, fibersMethod) {
return function () {
logUsingFibers(fibersMethod);
var stack = getAndClearStack();
try {
return fn.apply(this, arguments);
} finally {
restoreStack(stack);
}
}
};
}

// Monkey patch methods which may long jump
Fiber.yield = wrapFunction(Fiber.yield);
Fiber.prototype.run = wrapFunction(Fiber.prototype.run);
Fiber.prototype.throwInto = wrapFunction(Fiber.prototype.throwInto);
Fiber.yield = wrapFunction(Fiber.yield, "Fiber.yield");
Fiber.prototype.run = wrapFunction(Fiber.prototype.run, "Fiber.run");
Fiber.prototype.throwInto = wrapFunction(
Fiber.prototype.throwInto,
"Fiber.throwInto"
);

} catch (err) {
return;
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "fibers",
"version": "5.0.0",
"version": "5.0.2",
"description": "Cooperative multi-tasking for Javascript",
"keywords": [
"fiber",
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