unsourcemap

Unpack JavaScript sourcemap.

Install

npm:

npm install unsourcemap --global

yarn:

yarn global add unsourcemap

Usage

unsourcemap input [options]

See help for more information.

input is a required parameter, it can also be a directory.

If input is a directory, unsourcemap will traverse all the files in this directory and deal each file. Use --no-check to ignore checking the filename is end with .map.

Examples

unsourcemap bundle.js.map
unsourcemap bundle.js.map --output app
unsourcemap --input=bundle.js.map --force
unsourcemap -i=bundle.js.map --verbose --no-dot

Available Options

--version/-v

Display the verison.

--help/-h

Display the help document.

--mode

• type: String
• default: 'webpack'

Internal usage, support webpack only.

Remove webpack:// from the sourcemap.source.

--dot

• type: Boolean
• default: true

In webpack mode, replace the prefix dot /..

path.join will ignore /./.

--input/-i

• type: String

Specify the input filepath.

--output/-o

• type: String
• default: 'dist'

Directory for file output.

--replacement

• type: String
• default: '_'

Replacement for sanitize filepath.

• windows reserved names like con|prn|aux|nul|com.
• any illegal character in ?<>:\*\|":.
• control character.
• only dot(s).
• trailing dot or space.

--async

• type: Boolean
• default: false

Use writeFile instead of writeFileSync for speed.

--verbose

• type: Boolean
• default: false

Print the filepath which is written successful.

--force

• type: Boolean
• default: false

Force writeFile even if the file is already existed.

--check

• type: Boolean
• default: true

Check filename is end with .map.

-d/--depth

Max depth about directory to extract.

Development

Checkout this repository locally, then:

node bin/unsourcemap

References

• Source Map Revision 3 Proposal
• Introduction to JavaScript Source Maps
• mozilla/source-map
• Variable-length quantity

Changelog

v0.0.3

2019-05-20

• drop support for --strict and -c, use --check exactly.
• remove .vscode
• support directory recrusive

v0.0.2

2019-04-11

• support directory

v0.0.1

2019-04-11

• first publish

License

MIT

See LICENSE for more information.