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Tim van der Lippe
727227900c
Currently, we optimize our SVGs out-of-sync and have a Python script and PRESUBMIT check to make sure that the SVGs are correctly optimized. This means that the SVGs are duplicated in the Images folder and requires developers to install `svgo` on their command line, which could be using differing versions. Instead, we can optimize the SVG images (which is computationally cheap) during build time using the rollup-plugin-import-meta-assets and svgo packages. The rollup plugin traverses the required SVG image files and puts them and rewrites them to the Images/ folder (rather than in src/), while also allowing us to optimize them along the way. DISABLE_THIRD_PARTY_CHECK=Removing script from package.json R=jacktfranklin@chromium.org Bug: 1216402 Change-Id: Ieb6932b9a81753be5ecbccd00a5d84bd0efa23f8 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2939994 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
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DevTools Scripts
Development workflow scripts
These are scripts that can be useful to run independently as you're working on Chrome DevTools front-end.
The newer scripts such as for testing and hosted mode are written in Node.js, which has become the standard toolchain for web apps. The older scripts such as building (e.g. bundling and minifying) are written in Python, which has first-class support in Chromium's infrastructure.
Overview
Folders
- build - Python package for generating DevTools debug and release mode
- chrome_debug_launcher - automagically finds Chrome Canary and launches it with debugging flags (e.g. remote debugging port)
- closure - see section on Closure Compiler below
- gulp - experimental build process written in node.js & gulp to remove the dependency on Chromium-specific build tools (i.e. gn and ninja)
- hosted_mode - run DevTools on a localhost development server
Python Scripts
- compile_frontend.py - runs closure compiler to do static type analysis
- Note: the compiled outputs are not actually used to run DevTools
- lint_javascript.py - run eslint
Node.js scripts
The easiest way to run the node.js scripts is to use npm run which displays all the commands. For more information on the specific npm run commands, take a look at the primary devtools front-end readme (../readme.md).