refactor(main): simplify _updateDom with async/await#4185
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khassel merged 1 commit intoJun 12, 2026
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Cool, that was a head scratcher. Trouble caused long before await |
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I'm glad you like it. And kudos to everyone who set this up and managed to make sense of such pre-async/await patterns 🤯 |
khassel
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Jun 12, 2026
KristjanESPERANTO
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Jun 12, 2026
…4185) `_updateDom` was wrapping its entire body in a `new Promise(resolve => {...})` constructor just to chain `getDom()` and `updateDomWithContent()` together. Since `updateDomWithContent` was already converted to async in MagicMirrorOrg#4182, we can now just `await` it directly - the manual wrapper, the explicit `Promise.resolve()` normalization, and the nested `.then().catch()` chain all become unnecessary, making the control flow easier to follow. Also added `.catch(Log.error)` at both call sites, since async functions reject on error instead of swallowing it silently.
KristjanESPERANTO
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Jun 12, 2026
…4185) `_updateDom` was wrapping its entire body in a `new Promise(resolve => {...})` constructor just to chain `getDom()` and `updateDomWithContent()` together. Since `updateDomWithContent` was already converted to async in MagicMirrorOrg#4182, we can now just `await` it directly - the manual wrapper, the explicit `Promise.resolve()` normalization, and the nested `.then().catch()` chain all become unnecessary, making the control flow easier to follow. Also added `.catch(Log.error)` at both call sites, since async functions reject on error instead of swallowing it silently.
KristjanESPERANTO
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Jun 15, 2026
…4185) `_updateDom` was wrapping its entire body in a `new Promise(resolve => {...})` constructor just to chain `getDom()` and `updateDomWithContent()` together. Since `updateDomWithContent` was already converted to async in MagicMirrorOrg#4182, we can now just `await` it directly - the manual wrapper, the explicit `Promise.resolve()` normalization, and the nested `.then().catch()` chain all become unnecessary, making the control flow easier to follow. Also added `.catch(Log.error)` at both call sites, since async functions reject on error instead of swallowing it silently.
khassel
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Jun 16, 2026
Follow-up to #4185. This PR replaces `.then()`/`.catch()` chains in the DOM update flow with `async/await`, making the code easier to read and reason about. **What changed:** - `createDomObjects` and `MM.updateDom` are now `async`, the nested `.then()` callbacks are gone - Extracted a small `createModuleDom()` helper to keep the loop in `createDomObjects` readable - Errors in `createDomObjects` are caught in a single `try/catch` - before, a failing module could cause an unhandled Promise rejection - `updateDomWithContent` now properly awaits the full show animation before resolving. The old code called `resolve()` while the animation was still running, which was technically wrong - Fixed `@param {Promise} callback` in JSDoc - it's not a Promise, it's a plain `() => void` function
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rejas
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Jul 1, 2026
## Release Notes Thanks to: @angeldeejay, @egeekial, @khassel, @KristjanESPERANTO, @MikeBishop, @rejas >⚠️ This release needs nodejs version >=22.21.1 <23 || >=24 (no change to previous release) [Compare to previous Release v2.36.0](v2.36.0...develop) ### [core] - Prepare Release 2.37.0 (#4193) - fix(electron): map IPv6 :: wildcard to localhost (#4188) - refactor(main): modernize DOM update flow with async/await (#4186) - refactor(main): simplify _updateDom with async/await (#4185) - fix(security): prevent unauthorized secret expansion in socket payloads (#4184) - refactor(main): simplify updateDomWithContent async flow (#4182) - fix: modules losing data after HTTP 304 responses (#4180) - chore: add missing core defaults (#4181) - fix(server): enforce ipWhitelist for Socket.IO too (#4169) - feat(systeminfo): include Git hash and branch in system information log (#4167) - feat(electron): support object-based electronSwitches (#4161) - systeminformation thread not ending: move error handling from utils to app (#4160) - fix systeminformation thread not ending (#4155) - refactor: use ES module imports in browser core (#4158) - refactor(core): remove old Object.assign polyfill (#4157) - refactor: rewrite Module as an ES6 class (#4151) - refactor: rewrite NodeHelper as an ES6 class (#4147) - update eletron to v42 (#4144) - refactor(utils): drop ajv dependency (#4142) - fix(systeminformation): output right 'used node' version (from parent process) (#4141) - fix: skip postinstall git clean when not in a git repository (#4139) - Remove unnecessary conditionals and fix falsy property check in imperial conversion (#4135) - update version in package.json ### [dependencies] - update dependencies (#4191) - Bump actions/checkout from 6 to 7 (#4190) - chore: update dependencies and adjust import path for SunCalc (#4189) - update dependencies incl. electron and revert yauzl-electron-install-fix (#4183) - update dependencies, add electron fix in package.json (#4175) - chore: update dependencies (#4162) - Bump actions/dependency-review-action from 4 to 5 (#4152) - Unify linting: replace Stylelint and markdownlint with ESLint (#4148) - update dependencies and workflows to node v26 (#4140) ### [modules/alert] - CodeQL cleanup for alerts #18, #19, #20 (#4153) - fix: resolve CodeQL alerts #24 and #26 (#4145) - fix(electron): resolve CodeQL alerts #22 and #25 in electron.js (#4136) ### [modules/calendar] - perf(calendar): pre-filter ICS data before parsing (#4168) - perf(calendar): use async ICS parsing to avoid blocking event loop (#4143) ### [modules/newsfeed] - [newsfeed] add allowBasicHtmlTags option for basic emphasis (#4176) ### [modules/updatenotification] - fix(updatenotification): don't spawn a child process when running under PM2 (#4166) - fix(updatenotification): use process.argv[0] as restart binary (#4163) - fix(updatenotification): preserve start mode on restart (#4156) - fix(updatenotification): fix ref diff parsing for fetch --dry-run (#4138) - refactor(updatenotification): replace pm2 usage with node logic (#4134) ### [modules/weather] - feat(weather): add Buienradar provider (#4164) ### [testing] - remove warning in unit tests (for nodejs >= v25) (#4149) - polish HTTP 304 docs/test/handling (#4129) --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: Kristjan ESPERANTO <35647502+KristjanESPERANTO@users.noreply.github.com> Co-authored-by: BugHaver <43462320+bughaver@users.noreply.github.com> Co-authored-by: BugHaver <43462320+lsaadeh@users.noreply.github.com> Co-authored-by: Karsten Hassel <hassel@gmx.de> Co-authored-by: Magnus <34011212+MagMar94@users.noreply.github.com> Co-authored-by: Koen Konst <koenspero@gmail.com> Co-authored-by: Koen Konst <c.h.konst@avisi.nl> Co-authored-by: Bugsounet - Cédric <github@bugsounet.fr> Co-authored-by: dathbe <github@beffa.us> Co-authored-by: veeck <gitkraken@veeck.de> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Marcel <m-idler@users.noreply.github.com> Co-authored-by: sam detweiler <sdetweil@gmail.com> Co-authored-by: Kevin G. <crazylegstoo@gmail.com> Co-authored-by: Jboucly <33218155+jboucly@users.noreply.github.com> Co-authored-by: Jboucly <contact@jboucly.fr> Co-authored-by: Jarno <54169345+jarnoml@users.noreply.github.com> Co-authored-by: Jordan Welch <JordanHWelch@gmail.com> Co-authored-by: Blackspirits <blackspirits@gmail.com> Co-authored-by: Samed Ozdemir <samed@xsor.io> Co-authored-by: in-voker <58696565+in-voker@users.noreply.github.com> Co-authored-by: Andrés Vanegas Jiménez <142350+angeldeejay@users.noreply.github.com> Co-authored-by: cgillinger <christian.gillinger@gmail.com> Co-authored-by: Sonny B <43247590+sonnyb9@users.noreply.github.com> Co-authored-by: sonnyb9 <sonnyb9@users.noreply.github.com> Co-authored-by: Morgan McBee <egeekial@users.noreply.github.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> Co-authored-by: Mike Bishop <mbishop@evequefou.be>
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_updateDomwas wrapping its entire body in anew Promise(resolve => {...})constructor just to chaingetDom()andupdateDomWithContent()together. SinceupdateDomWithContentwas already converted to async in #4182, we can now justawaitit directly - the manual wrapper, the explicitPromise.resolve()normalization, and the nested.then().catch()chain all become unnecessary, making the control flow easier to follow.Also added
.catch(Log.error)at both call sites, since async functions reject on error instead of swallowing it silently.