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webpack.sc
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webpack.sc
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import mill._
import scalalib._
case class NpmDependency(name: String, version: String, global: String)
object NpmDependency {
implicit def rw: upickle.default.ReadWriter[NpmDependency] =
upickle.default.macroRW
}
case class Yarn(yarnCmd: String, nodeModules: PathRef, packageJson: PathRef, lockFile: PathRef) {
import ammonite.ops._
import ammonite.ops.ImplicitWd._
def %(cmd: Shellable*)(wd: Path) = {
os.copy.over(packageJson.path, wd / "package.json")
os.copy.over(lockFile.path, wd / "yarn.lock")
val exec = Command(
(Vector[Shellable](yarnCmd, "--modules-folder", nodeModules.path) ++ cmd.toVector)
.map(_.s.toVector)
.reduce(_ ++ _),
Map.empty,
Shellout.executeInteractive
)
exec()(wd)
}
}
object Yarn {
implicit def rw: upickle.default.ReadWriter[Yarn] = upickle.default.macroRW
}
trait WebpackModule extends Module {
import ammonite.ops._
import ammonite.ops.ImplicitWd._
def webpackVersion: T[String]
def webpackCliVersion: T[String]
def webpackDevServerVersion: T[String]
def development: T[Boolean]
def sassVersion: T[String]
def npmDeps: T[Agg[NpmDependency]]
def devDependencies: T[Agg[(String, String)]] = T { Agg() }
def mainJS: T[PathRef]
def mainStylesheet: T[PathRef] = T.source {
PathRef(millSourcePath / "stylesheets" / "main.scss")
}
def entryPoint = T {
val path = T.ctx.dest / "entrypoint.js"
val require = npmDeps()
.map { case NpmDependency(n, _, g) =>
s"global['$g'] = require('$n')"
}
.mkString("\n")
os.write.over(
path,
s"""
|$require
|""".stripMargin.trim
)
PathRef(path)
}
def yarn = T.persistent {
val path = T.ctx.dest / "package.json"
val lock = T.ctx.dest / "yarn.lock"
os.write.over(
path,
ujson
.Obj(
"dependencies" -> ujson.Obj
.from(npmDeps().map(d => (d.name -> ujson.Str(d.version)))),
"devDependencies" -> (
Seq(
"webpack" -> webpackVersion(),
"webpack-cli" -> webpackCliVersion(),
"webpack-dev-server" -> webpackDevServerVersion(),
"dart-sass" -> sassVersion(),
"source-map-loader" -> "0.2.3"
) ++ devDependencies()
)
)
.render(2)
)
val yarnCmd =
if (System.getProperty("os.name").startsWith("Windows"))
// Strictly speaking, this isn't quite true; this works for `Powershell` (and possibly `cmd`) but
// will possibly fail catastrophically for any other Windows shells
"yarn.cmd"
else
"yarn"
%(yarnCmd, "install")(wd = T.ctx.dest)
Yarn(
yarnCmd,
PathRef(T.ctx.dest / "node_modules"),
PathRef(path),
PathRef(lock)
)
}
def stylesheets = T.sources {
os.walk(millSourcePath / "stylesheets")
.filter(_.ext == "scss")
.map(PathRef(_))
}
def assets = T.source {
PathRef(millSourcePath / "assets")
}
def index = T.source {
PathRef(millSourcePath / "index.html")
}
def sass = T {
stylesheets()
val main = mainStylesheet()
val out =
T.ctx.dest / s"${main.path.last.split('.')(0)}.css"
yarn().%("dart-sass", main.path, out)(T.ctx.dest)
PathRef(out)
}
def vendor = T {
val config = T.ctx.dest / "webpack.config.js"
os.write.over(
config,
"module.exports = " + ujson
.Obj(
"resolve" -> ujson.Obj(
"alias" -> ujson.Obj.from(
npmDeps().map(d =>
(d.name -> ujson
.Str((yarn().nodeModules.path / d.name).toString))
)
)
),
"mode" -> (if (development()) "development" else "production"),
"devtool" -> "source-map",
"entry" -> entryPoint().path.toString,
"output" -> ujson.Obj(
"filename" -> "vendor.js"
)
)
.render(2) + ";\n"
)
yarn().%("webpack")(T.ctx.dest)
Seq(
PathRef(T.ctx.dest / "dist" / "vendor.js")
) ++ (if (development()) Seq(PathRef(T.ctx.dest / "dist" / "vendor.js.map"))
else Seq())
}
def bundle = T {
vendor().map { p => os.copy.into(p.path, T.ctx.dest) }
os.copy.into(sass().path, T.ctx.dest)
os.copy.into(assets().path, T.ctx.dest)
os.copy.into(index().path, T.ctx.dest)
os.copy.into(mainJS().path, T.ctx.dest)
PathRef(T.ctx.dest)
}
def serifProFontVersion = T { "3.001R" }
def sansProFontVersion = T { "3v028R" }
def sansProFontVersionPath = T { "3.028R" }
def fonts = T {
val dest = T.ctx().dest
val fontsDir = dest / 'fonts
mkdir(fontsDir)
mill.modules.Util.downloadUnpackZip(
s"https://github.com/adobe-fonts/source-serif-pro/releases/download/${serifProFontVersion()}/source-serif-pro-${serifProFontVersion()}.zip",
s"source-serif-pro-${serifProFontVersion()}")
os.copy(dest / s"source-serif-pro-${serifProFontVersion()}", fontsDir/s"source-serif-pro-${serifProFontVersion()}", replaceExisting = true)
mill.modules.Util.downloadUnpackZip(
s"https://github.com/adobe-fonts/source-sans-pro/releases/download/${sansProFontVersionPath()}/source-sans-${sansProFontVersion()}.zip",
s"source-sans-pro-${sansProFontVersion()}")
os.copy(dest / s"source-sans-pro-${sansProFontVersion()}", fontsDir/s"source-sans-pro-${sansProFontVersion()}", replaceExisting = true)
PathRef(fontsDir)
}
}