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Merge pull request #376 from olafurpg/js-node-fs
Remove Node.js requirement with Scala.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,117 +1,38 @@ | ||
| package munit.internal | ||
|
|
||
| import scala.scalajs.js | ||
| import scala.scalajs.js.annotation.JSImport | ||
| import scala.scalajs.js.annotation.JSImport.Namespace | ||
|
|
||
| /** | ||
| * Facade for the native nodejs process API | ||
| * | ||
| * The process object is a global that provides information about, and | ||
| * control over, the current Node.js process. As a global, it is always | ||
| * available to Node.js applications without using require(). | ||
| * | ||
| * @see https://nodejs.org/api/process.html | ||
| */ | ||
| @js.native | ||
| trait JSProcess extends js.Any { | ||
| def cwd(): String = js.native | ||
| } | ||
|
|
||
| /** | ||
| * Facade for native nodejs module "fs". | ||
| * | ||
| * @see https://nodejs.org/api/fs.html | ||
| */ | ||
| @js.native | ||
| @JSImport("fs", Namespace) | ||
| object JSFs extends js.Any { | ||
|
|
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| /** | ||
| * Returns the file contents as Buffer using blocking apis. | ||
| * | ||
| * NOTE: The actual return value is a Node.js buffer and not js.Array[Int]. | ||
| * However, both support .length and angle bracket access (foo[1]). | ||
| */ | ||
| def readFileSync(path: String): js.Array[Int] = js.native | ||
|
|
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| /** Returns the file contents as String using blocking apis */ | ||
| def readFileSync(path: String, encoding: String): String = js.native | ||
|
|
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| /** Writes file contents using blocking apis */ | ||
| def writeFileSync(path: String, buffer: js.Array[Int]): Unit = js.native | ||
|
|
||
| /** Returns an array of filenames excluding '.' and '..'. */ | ||
| def readdirSync(path: String): js.Array[String] = js.native | ||
|
|
||
| /** Returns an fs.Stats for path. */ | ||
| def lstatSync(path: String): JSStats = js.native | ||
|
|
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| /** Returns true if the file exists, false otherwise. */ | ||
| def existsSync(path: String): Boolean = js.native | ||
|
|
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| /** Synchronously creates a directory. */ | ||
| def mkdirSync(path: String): Unit = js.native | ||
| } | ||
|
|
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| /** | ||
| * Facade for nodejs class fs.Stats. | ||
| * | ||
| * @see https://nodejs.org/api/fs.html#fs_class_fs_stats | ||
| */ | ||
| @js.native | ||
| @JSImport("fs", Namespace) | ||
| class JSStats extends js.Any { | ||
| def isFile(): Boolean = js.native | ||
| def isDirectory(): Boolean = js.native | ||
| } | ||
|
|
||
| /** | ||
| * Facade for native nodejs module "path". | ||
| * | ||
| * @see https://nodejs.org/api/path.html | ||
| */ | ||
| @js.native | ||
| @JSImport("path", Namespace) | ||
| object JSPath extends js.Any { | ||
| def sep: String = js.native | ||
| def delimiter: String = js.native | ||
| def isAbsolute(path: String): Boolean = js.native | ||
| def parse(path: String): JSPath.type = js.native | ||
| def resolve(paths: String*): String = js.native | ||
| def normalize(path: String): String = js.native | ||
| def basename(path: String): String = js.native | ||
| def dirname(path: String): String = js.native | ||
| def root: String = js.native | ||
| def relative(from: String, to: String): String = js.native | ||
| def join(first: String, more: String*): String = js.native | ||
| } | ||
| import scala.util.Try | ||
|
|
||
| object JSIO { | ||
| private[internal] val process: JSProcess = | ||
| js.Dynamic.global.process.asInstanceOf[JSProcess] | ||
| def isNode: Boolean = | ||
| !js.isUndefined(process) && !js.isUndefined(process.cwd()) | ||
|
|
||
| def inNode[T](f: => T): T = | ||
| if (JSIO.isNode) f | ||
| else { | ||
| throw new IllegalStateException( | ||
| "This operation is not supported in this environment." | ||
| ) | ||
| } | ||
| private def require(module: String): Option[js.Dynamic] = { | ||
| Try(js.Dynamic.global.require(module)).toOption | ||
| } | ||
| val process: Option[js.Dynamic] = require("process") | ||
| val path: Option[js.Dynamic] = require("path") | ||
| val fs: Option[js.Dynamic] = require("fs") | ||
|
|
||
| def cwd(): String = | ||
| if (isNode) process.cwd() | ||
| else "/" | ||
| process match { | ||
| case Some(p) => p.cwd().asInstanceOf[String] | ||
| case None => "/" | ||
| } | ||
|
|
||
| def exists(path: String): Boolean = | ||
| if (isNode) JSFs.existsSync(path) | ||
| else false | ||
| fs match { | ||
| case Some(f) => f.existsSync(path).asInstanceOf[Boolean] | ||
| case None => false | ||
| } | ||
|
|
||
| def isFile(path: String): Boolean = | ||
| exists(path) && JSFs.lstatSync(path).isFile() | ||
| exists(path) && (fs match { | ||
| case Some(f) => f.lstatSync(path).isFile().asInstanceOf[Boolean] | ||
| case None => false | ||
| }) | ||
|
|
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| def isDirectory(path: String): Boolean = | ||
| exists(path) && JSFs.lstatSync(path).isDirectory() | ||
| exists(path) && (fs match { | ||
| case Some(f) => f.lstatSync(path).isDirectory().asInstanceOf[Boolean] | ||
| case None => false | ||
| }) | ||
| } |
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