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README.md
exorcist
Externalizes the source map found inside a stream to an external .js.map
file
var browserify = require('browserify')
, path = require('path')
, fs = require('fs')
, exorcist = require('exorcist')
, mapfile = path.join(__dirname, 'bundle.js.map')
browserify()
.require(require.resolve('./main'), { entry: true })
.bundle({ debug: true })
.pipe(exorcist(mapfile))
.pipe(fs.createWriteStream(path.join(__dirname, 'bundle.js'), 'utf8'))
command line example
browserify main.js --debug | exorcist bundle.js.map > bundle.js
Table of Contents generated with DocToc
Usage
exorcist <mapfile> <exorcist-options>
Externalizes the source map of a file that is streamed into it by pointing it's source map url to the <mapfile>.
The original source map is written to the <mapfile> as json.
OPTIONS:
--root -r The path to the original source to be included in the source map. (default '')
--url -u The path to the source map to which to point the sourceMappingURL. (default <mapfile>)
EXAMPLE:
Bundle main.js with browserify into bundle.js and externalize the map to bundle.js.map
browserify main.js --debug | exorcist bundle.js.map > bundle.js
Installation
npm install exorcist
API
-
exorcist(file, url, root) → {TransformStream}
-
Transforms the incoming stream of code by removing the inlined source map and writing it to an external map file. Additionally it adds a source map url that points to the extracted map file.
Events (other than all stream events like
error
)missing-map
emitted if no map was found in the stream (the src still is piped through in this case, but no map file is written)
Parameters:
Name Type Argument Description file
String full path to the map file to which to write the extracted source map
url
String <optional>
allows overriding the url at which the map file is found (default: name of map file)
root
String <optional>
allows adjusting the source maps
sourceRoot
field (default: '')Returns:
transform stream into which to pipe the code containing the source map
- Type
- TransformStream
generated with docme
Integration with other tools
License
MIT