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'))browserify main.js --debug | exorcist bundle.js.map > bundle.js
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exorcist <mapfile> <exorcist-options>
Externalizes the source map of a file that is streamed into it by pointing its 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
npm install exorcist
-
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.
missing-mapemitted if no map was found in the stream (the src still is piped through in this case, but no map file is written)
Name Type Argument Description fileString full path to the map file to which to write the extracted source map
urlString <optional>
allows overriding the url at which the map file is found (default: name of map file)
rootString <optional>
allows adjusting the source maps
sourceRootfield (default: '')transform stream into which to pipe the code containing the source map
- Type
- TransformStream
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