Unnecessary assignment_value_staleAssignment warning #16605
Description
Describe the bug
onclick: () => (media.deaf = !media.deaf) causes the assignment_value_staleAssignment warning to be printed to the console while onclick: () => { media.deaf = !media.deaf } does not.
(Above is object property syntax, which is then fed to a snippet)
Reproduction
Logs
System Info
System:
OS: macOS 15.6
CPU: (20) x64 Intel(R) Xeon(R) W-2150B CPU @ 3.00GHz
Memory: 565.61 MB / 64.00 GB
Shell: 3.2.57 - /bin/bash
Binaries:
Node: 24.5.0 - /usr/local/bin/node
Yarn: 1.22.11 - /usr/local/bin/yarn
npm: 11.5.1 - /usr/local/bin/npm
pnpm: 10.13.1 - /usr/local/bin/pnpm
bun: 1.0.25 - /usr/local/bin/bun
Browsers:
Chrome: 139.0.7258.67
Safari: 18.6
npmPackages:
svelte: 5.37.3 => 5.37.3Severity
annoyance