SourceMap Scout

Source map as a HTTP service.

Usage

$ git clone https://github.com/aaronjan/sourcemap-scout.git sourcemap-scout
$ cd sourcemap-scout
$ npm install
$ cp .env.example .env
# If you're using PM2:
$ pm2 start
# Else:
$ npm start

Configure

You can tweak SourceMap-Scout by editing the .env file:

PORT

HTTP service port.

IN_MEMORY_SOURCEMAP_LIMIT

Specify how many source map files should be kept in memory. Older files will be automatically removed.

SOURCEMAP_FOLDER

Specify the folder that has all the source map files.

API

Get original source position for a compiled source position.

POST /original-position

Request payload (application/json):

Name	Type	Required	Description
file	string	yes	Source map's file path, relative to the SOURCEMAP_FOLDER folder (default is: sourcemaps/)
line	integer	yes	The line number in the compiled source
column	integer	yes	The column number in the compiled source

Request example:

{
	"file": "example.js.map",
	"line": 2,
	"column": 4
}

Response - Success (statusCode: 200):

{
	"statusCode": 200,
	"data": {
        "source": "../src/example.ts",
        "line": 2,
        "column": 2,
		"name": "key"
	}
}

Data:

Name	Type	Description
source	string or null	The original source file, or null if this information is not available.
line	integer or null	The line number in the original source, or null if this information is not available. The line number is 1-based.
column	integer or null	The column number in the original source, or null if this information is not available. The column number is 0-based.
name	string or null	The original identifier, or null if this information is not available.

License

Licensed under the APACHE LISENCE 2.0.