eclipse-theia/theia

source map in production mode are broken

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#6,693 opened on Dec 5, 2019

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bughelp wantedtheia-cli

Description

To reproduce:

  • switch to production mode in the browser example
  • do clean build there, i.e. yarn run clean && yarn run build
  • start the app
  • try to debug

While stepping in the dev tool some lines are skipped or never hit, stack traces contain unrelated files and so on

Contributor guide

Tech stack
typescript
Domain
frontendbuild system
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
TypeScriptsource mapsYarn build system
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Investigate the production build configuration in the examples/browser directory. Compare the webpack configuration for development and production modes to identify differences in source map settings. Check if the `devtool` option is set correctly for production. Additionally, test with a minimal reproduction to ensure source maps are generated properly.