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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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

Research direction
Inspect the Webpack configuration for source maps in production mode and trace the build pipeline to identify how source maps are generated and consumed.
Tech stack
typescript
Domain
developer experiencetooling
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitTypeScriptYarn
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60