Shake an es6 module for named exports and diff the result.
shakediff [options] <module file> <export list>
-b {parcel|rollup|webpack}, --bundler={parcel|rollup|webpack}
Choose a bundler, or use the specified <module>. Default is "rollup".
Bundlers are not installed by default, please make sure to install one:
parcel: @shakediff/bundler-parcel
rollup: @shakediff/bundler-rollup
webpack: @shakediff/bundler-webpack
Or provide one with an esm import specifier:
https://nodejs.org/api/esm.html#esm_import_specifiers
Any module with the following interface can be used:
export default async function bundle(entryPath, modulePath, tempDir) {
return 'bundled module code'
}
-t <tool>, --tool=<tool>
Diff with the specified <tool>. Default is "diff".
-h, --help
Display this help and exit.
Shake module.mjs for "foo" using rollup:
$ shakediff module.mjs foo
Shake module.mjs for "foo" and "bar" using webpack:
$ shakediff -b webpack module.mjs foo bar
Output a unified diff:
$ shakediff -t "diff -u" module.mjs foo
Generate a diffstat:
$ shakediff module.mjs foo | diffstat
View a diff in gvim:
$ shakediff -t "gvim -df" module.mjs foo
View a histogram diff in git:
$ shakediff -t "git diff --no-index --histogram" module.mjs foo
This package is available as open source under the terms of the MIT License.