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March 1, 2025 21:16
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Stacks Example
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| allAwaitsSync | |
| 10 | } | |
| 11 | async function bar() { | |
| 12 | await zaz(); | |
| 13 | } | |
| 14 | async function zaz() { | |
| 15 | throw new Error("oops"); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:15:11 | |
| at zaz (/home/stephen/other/blog/public/files/stacks.mjs:14:24) | |
| at /home/stephen/other/blog/public/files/stacks.mjs:12:11 | |
| at bar (/home/stephen/other/blog/public/files/stacks.mjs:11:24) | |
| at /home/stephen/other/blog/public/files/stacks.mjs:9:11 | |
| at foo (/home/stephen/other/blog/public/files/stacks.mjs:8:24) | |
| at /home/stephen/other/blog/public/files/stacks.mjs:17:9 | |
| at allAwaitsSync (/home/stephen/other/blog/public/files/stacks.mjs:7:29) | |
| at /home/stephen/other/blog/public/files/stacks.mjs:150:11 | |
| allPromisesSync | |
| 24 | function bar() { | |
| 25 | return zaz(); | |
| 26 | } | |
| 27 | function zaz() { | |
| 28 | return new Promise(function handle(resolve, reject) { | |
| 29 | reject(new Error("oops")); | |
| ^ | |
| error: oops | |
| at handle (/home/stephen/other/blog/public/files/stacks.mjs:29:14) | |
| at new Promise (:1:11) | |
| at zaz (/home/stephen/other/blog/public/files/stacks.mjs:28:12) | |
| at /home/stephen/other/blog/public/files/stacks.mjs:150:11 | |
| allAwaitsTimeout | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:29 | |
| allPromisesTimeout | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:29 | |
| allAwaitsTimeoutAppend | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:33 | |
| at zaz (/home/stephen/other/blog/public/files/stacks.mjs:76:16) | |
| allAwaitsTimeoutLambdaAppend | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:33 | |
| at /home/stephen/other/blog/public/files/stacks.mjs:92:24 | |
| allPromisesTimeoutAppend | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:33 | |
| at zaz (/home/stephen/other/blog/public/files/stacks.mjs:123:15) | |
| allAsyncOneMissingAwaitTimeoutAppend | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:33 | |
| at zaz (/home/stephen/other/blog/public/files/stacks.mjs:159:10) | |
| allAwaitsTimeoutCause | |
| 95 | async function bar() { | |
| 96 | await zaz(); | |
| 97 | } | |
| 98 | async function zaz() { | |
| 99 | return badDatabaseCall().catch((err) => { | |
| 100 | throw new Error(err.message, { cause: err }); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:100:13 | |
| 1 | function badDatabaseCall() { | |
| 2 | return new Promise((resolve, reject) => { | |
| 3 | setTimeout(() => reject(new Error("oops")), 50); | |
| ^ | |
| error: oops | |
| at /home/stephen/other/blog/public/files/stacks.mjs:3:29 |
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| allAwaitsSync | |
| Error: oops | |
| at zaz (file:///home/stephen/other/blog/public/files/stacks.mjs:15:11) | |
| at bar (file:///home/stephen/other/blog/public/files/stacks.mjs:12:11) | |
| at foo (file:///home/stephen/other/blog/public/files/stacks.mjs:9:11) | |
| at allAwaitsSync (file:///home/stephen/other/blog/public/files/stacks.mjs:17:9) | |
| at file:///home/stephen/other/blog/public/files/stacks.mjs:150:11 | |
| at ModuleJob.run (node:internal/modules/esm/module_job:192:25) | |
| at async DefaultModuleLoader.import (node:internal/modules/esm/loader:228:24) | |
| at async loadESM (node:internal/process/esm_loader:40:7) | |
| at async handleMainPromise (node:internal/modules/run_main:66:12) | |
| allPromisesSync | |
| Error: oops | |
| at handle (file:///home/stephen/other/blog/public/files/stacks.mjs:29:14) | |
| at new Promise (<anonymous>) | |
| at zaz (file:///home/stephen/other/blog/public/files/stacks.mjs:28:12) | |
| at bar (file:///home/stephen/other/blog/public/files/stacks.mjs:25:12) | |
| at foo (file:///home/stephen/other/blog/public/files/stacks.mjs:22:12) | |
| at allPromisesSync (file:///home/stephen/other/blog/public/files/stacks.mjs:32:10) | |
| at file:///home/stephen/other/blog/public/files/stacks.mjs:150:11 | |
| allAwaitsTimeout | |
| Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| allPromisesTimeout | |
| Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| allAwaitsTimeoutAppend | |
| Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| at zaz (file:///home/stephen/other/blog/public/files/stacks.mjs:70:30) | |
| at async bar (file:///home/stephen/other/blog/public/files/stacks.mjs:66:5) | |
| at async foo (file:///home/stephen/other/blog/public/files/stacks.mjs:63:5) | |
| at async allAwaitsTimeoutAppend (file:///home/stephen/other/blog/public/files/stacks.mjs:73:3) | |
| at async file:///home/stephen/other/blog/public/files/stacks.mjs:150:5 | |
| allAwaitsTimeoutLambdaAppend | |
| Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| at file:///home/stephen/other/blog/public/files/stacks.mjs:85:30 | |
| at async bar (file:///home/stephen/other/blog/public/files/stacks.mjs:81:5) | |
| at async foo (file:///home/stephen/other/blog/public/files/stacks.mjs:78:5) | |
| at async allAwaitsTimeoutLambdaAppend (file:///home/stephen/other/blog/public/files/stacks.mjs:88:3) | |
| at async file:///home/stephen/other/blog/public/files/stacks.mjs:150:5 | |
| allPromisesTimeoutAppend | |
| Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| at zaz (file:///home/stephen/other/blog/public/files/stacks.mjs:115:30) | |
| at async file:///home/stephen/other/blog/public/files/stacks.mjs:150:5 | |
| allAsyncOneMissingAwaitTimeoutAppend | |
| Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| at zaz (file:///home/stephen/other/blog/public/files/stacks.mjs:130:30) | |
| at async foo (file:///home/stephen/other/blog/public/files/stacks.mjs:123:5) | |
| at async allAsyncOneMissingAwaitTimeoutAppend (file:///home/stephen/other/blog/public/files/stacks.mjs:133:3) | |
| at async file:///home/stephen/other/blog/public/files/stacks.mjs:150:5 | |
| allAwaitsTimeoutCause | |
| Error: oops | |
| at file:///home/stephen/other/blog/public/files/stacks.mjs:100:13 | |
| at async bar (file:///home/stephen/other/blog/public/files/stacks.mjs:96:5) | |
| at async foo (file:///home/stephen/other/blog/public/files/stacks.mjs:93:5) | |
| at async allAwaitsTimeoutCause (file:///home/stephen/other/blog/public/files/stacks.mjs:103:3) | |
| at async file:///home/stephen/other/blog/public/files/stacks.mjs:150:5 { | |
| [cause]: Error: oops | |
| at Timeout._onTimeout (file:///home/stephen/other/blog/public/files/stacks.mjs:3:29) | |
| at listOnTimeout (node:internal/timers:573:17) | |
| at process.processTimers (node:internal/timers:514:7) | |
| } |
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| function badDatabaseCall() { | |
| return new Promise((resolve, reject) => { | |
| setTimeout(() => reject(new Error("oops")), 50); | |
| }); | |
| } | |
| async function allAwaitsSync() { | |
| async function foo() { | |
| await bar(); | |
| } | |
| async function bar() { | |
| await zaz(); | |
| } | |
| async function zaz() { | |
| throw new Error("oops"); | |
| } | |
| await foo(); | |
| } | |
| function allPromisesSync() { | |
| function foo() { | |
| return bar(); | |
| } | |
| function bar() { | |
| return zaz(); | |
| } | |
| function zaz() { | |
| return new Promise(function handle(resolve, reject) { | |
| reject(new Error("oops")); | |
| }); | |
| } | |
| return foo(); | |
| } | |
| async function allAwaitsTimeout() { | |
| async function foo() { | |
| await bar(); | |
| } | |
| async function bar() { | |
| await zaz(); | |
| } | |
| async function zaz() { | |
| return badDatabaseCall(); | |
| } | |
| await foo(); | |
| } | |
| function allPromisesTimeout() { | |
| function foo() { | |
| return bar(); | |
| } | |
| function bar() { | |
| return zaz(); | |
| } | |
| function zaz() { | |
| return badDatabaseCall(); | |
| } | |
| return foo(); | |
| } | |
| async function allAwaitsTimeoutAppend() { | |
| async function foo() { | |
| await bar(); | |
| } | |
| async function bar() { | |
| await zaz(); | |
| } | |
| async function zaz() { | |
| return badDatabaseCall().catch(function zaz(err) { | |
| throw appendStack(err, new Error()); | |
| }); | |
| } | |
| await foo(); | |
| } | |
| async function allAwaitsTimeoutLambdaAppend() { | |
| async function foo() { | |
| await bar(); | |
| } | |
| async function bar() { | |
| await zaz(); | |
| } | |
| async function zaz() { | |
| return badDatabaseCall().catch((err) => { | |
| throw appendStack(err, new Error()); | |
| }); | |
| } | |
| await foo(); | |
| } | |
| async function allAwaitsTimeoutCause() { | |
| async function foo() { | |
| await bar(); | |
| } | |
| async function bar() { | |
| await zaz(); | |
| } | |
| async function zaz() { | |
| return badDatabaseCall().catch((err) => { | |
| throw new Error(err.message, { cause: err }); | |
| }); | |
| } | |
| await foo(); | |
| } | |
| function allPromisesTimeoutAppend() { | |
| function foo() { | |
| return bar(); | |
| } | |
| function bar() { | |
| return zaz(); | |
| } | |
| function zaz() { | |
| return badDatabaseCall().catch(function zaz(err) { | |
| throw appendStack(err, new Error()); | |
| }); | |
| } | |
| return foo(); | |
| } | |
| async function allAsyncOneMissingAwaitTimeoutAppend() { | |
| async function foo() { | |
| await bar(); | |
| } | |
| async function bar() { | |
| return zaz(); | |
| } | |
| async function zaz() { | |
| return badDatabaseCall().catch(function zaz(err) { | |
| throw appendStack(err, new Error()); | |
| }); | |
| } | |
| await foo(); | |
| } | |
| for (const fn of [ | |
| allAwaitsSync, | |
| allPromisesSync, | |
| allAwaitsTimeout, | |
| allPromisesTimeout, | |
| allAwaitsTimeoutAppend, | |
| allAwaitsTimeoutLambdaAppend, | |
| allPromisesTimeoutAppend, | |
| allAsyncOneMissingAwaitTimeoutAppend, | |
| allAwaitsTimeoutCause, | |
| ]) { | |
| console.log(""); | |
| console.log(fn.name); | |
| try { | |
| await fn(); | |
| } catch (err) { | |
| console.log(err); | |
| } | |
| } | |
| export function appendStack(err, dummy) { | |
| if (err && typeof err === "object" && "stack" in err) { | |
| err.stack += dummy.stack.replace(/.*\n/, "\n"); | |
| } | |
| return err; | |
| } |
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