Less rules for Bazel

WARNING: this is beta-quality software. Breaking changes are likely. Not recommended for production use without expert support.

The Less rules run the Less CSS preprocessor with Bazel.

Installation

Add the @bazel/less npm package to your devDependencies in package.json.

Your WORKSPACE should declare a yarn_install or npm_install rule named npm.
It should then install the rules found in the npm packages using the install_bazel_dependencies function.
See https://github.com/bazelbuild/rules_nodejs/#quickstart

This causes the @bazel/less package to be installed as a Bazel workspace named npm_bazel_less.

Installing with self-managed dependencies

If you didn't use the yarn_install or npm_install rule to create an npm workspace, you'll have to declare a rule in your root BUILD.bazel file to execute less:

``python


Create a less rule to use in less_binary#compiler

attribute when using self-managed dependencies

nodejs_binary(
name = "less_bin",
entry_point = "//:node_modules/less/bin/lessc",
# Point bazel to your node_modules to find the entry point
node_modules = ["//:node_modules"],
)
`

[name]: https://bazel.build/docs/build-ref.html#name
[label]: https://bazel.build/docs/build-ref.html#labels
[labels]: https://bazel.build/docs/build-ref.html#labels

less_binary

$3

`
less_binary(name, compiler, deps, sourcemap, src)
`

#### name
([name], mandatory): A unique name for this target.


#### compiler
([label]): Label that points to the lessc binary to run.
If you install your npm packages to a workspace named something other than "npm",
you may need to set this to @my_npm_name//@bazel/less/bin:less


#### deps
([labels])


#### sourcemap
(Boolean): Generates a sourcemap


#### src`
([label], mandatory)