[SourceMaps] update to source-map to 0.7.2

[andreicristianpetcu]

Hi,

Source-map got new and shiny performance fixes in 0.7.2. It would be really cool if the debugger would benefit from the following fixes:

https://hacks.mozilla.org/2018/01/oxidizing-source-maps-with-rust-and-webassembly/
http://fitzgeraldnick.com/2018/02/26/speed-without-wizardry.html

[andreicristianpetcu]

Relevant issue in upstream babel/babel#7486

[jasonLaster]

Thanks! Good call

[andreicristianpetcu]

Here is a list of dependencies that depend on source-map

babel-generator
babel-cli
babel-core
babel-register
clean-css
csso
devtools-map-bindings
devtools-source-map
handlebars
istanbul-lib-source-maps
jest-cli - needs istanbul-lib-source-maps first
jstransform - cannot open issue, only pull requests
postcss
pretty-fast
recast
snapdragon
source-map-support
uglify-es
uglify-js
uglifyjs-webpack-plugin
webpack-sources
webpack - needs webpack-sources first
inline-source-map
convert-source-map - needs inline-source-map first

Optional dependencies
escodegen

If I missed anything, please feel free to add it.

[andreicristianpetcu]

Any idea which one would be more important?

[otowncaleb]

/claim

[claim]

Thanks for claiming the issue! 👋

Here are some links for getting setup, contributing, and developing. We're always happy to answer questions in slack! If you become busy, feel free to /unclaim it.

🦊 Debugger team!

[otowncaleb]

/unclaim

[claim]

Done 👍