Elixir support and tokenColorCustomization fix

CHANGELOG.md

@@ -2,8 +2,16 @@
 
 All notable changes to the Official Dotenv VS Code extension will be documented in this file.
 
-## [Unreleased](https://github.com/dotenv-org/dotenv-vscode/compare/v0.21.0...master)
+## [Unreleased](https://github.com/dotenv-org/dotenv-vscode/compare/v0.22.0...master)
 
+## 0.23.0
+
+### Added
+
+* Added autocomplete and hover support for elixir. [#48](https://github.com/dotenv-org/dotenv-vscode/issues/48)
+
+### Fixed
+* Issue where autocloaking would overwrite other tokenColorCustomization settings resolved [#79](https://github.com/dotenv-org/dotenv-vscode/issues/79)
 ## 0.22.0
 
 ### Added

lib/autocloaking.js

@@ -41,10 +41,11 @@ function hideValues () {
     }
     newRules.push(newRule) // add new rule
 
-    const value = {
-      textMateRules: newRules
-    }
+    // Update the textMateRules without changing the other tokenColorCustomization values (issue #79)
+    const value = config
+    value.textMateRules = newRules
     vscode.workspace.getConfiguration().update(section(), value, vscode.ConfigurationTarget.Global)
+
   } catch (e) {
     console.log(e)
   }
@@ -71,9 +72,9 @@ function unhideValues () {
     }
   }
 
-  const value = {
-    textMateRules: newRules
-  }
+  // Update textMateRules without deleting other tokenColorCustomization settings (issue #79)
+  const value = config
+  value.textMateRules = newRules
   vscode.workspace.getConfiguration().update(section(), value, vscode.ConfigurationTarget.Global)
 
   return true

lib/autocompletion.js

@@ -18,6 +18,7 @@ const run = function (context) {
   const rust = vscode.languages.registerCompletionItemProvider({ scheme: 'file', language: 'rust' }, providers.rustCompletion, '(')
   const dart = vscode.languages.registerCompletionItemProvider({ scheme: 'file', language: 'dart' }, providers.dartCompletion, '(')
   const kotlin = vscode.languages.registerCompletionItemProvider({ scheme: 'file', language: 'kotlin' }, providers.kotlinCompletion, '(')
+  const elixir = vscode.languages.registerCompletionItemProvider({ scheme: 'file', language: 'elixir' }, providers.elixirCompletion, '(')
 
   context.subscriptions.push(javascript)
   context.subscriptions.push(typescript)
@@ -35,6 +36,7 @@ const run = function (context) {
   context.subscriptions.push(rust)
   context.subscriptions.push(dart)
   context.subscriptions.push(kotlin)
+  context.subscriptions.push(elixir)
   return true
 }
 

lib/helpers.js

@@ -38,7 +38,8 @@ function hover (language, document, position) {
     csharp: /Environment.GetEnvironmentVariable\(["']([A-Z]{1}[A-Z_0123456789]+)["']\)/,
     rust: /std::env::(?:var|var_os)\(["']([A-Z]{1}[A-Z_0123456789]+)["']\)/,
     dart: /String.fromEnvironment\(["']([A-Z]{1}[A-Z_0123456789]+)["']\)/,
-    kotlin: /System.getenv\(["']([A-Z]{1}[A-Z_0123456789]+)["']\)/
+    kotlin: /System.getenv\(["']([A-Z]{1}[A-Z_0123456789]+)["']\)/,
+    elixir: /System.get_env\(["']([A-Z]{1}[A-Z_0123456789]+)["']\)/
   }
   const reg = regexDict[language]
   const line = document.lineAt(position).text

lib/peeking.js

@@ -16,6 +16,7 @@ const run = function (context) {
   const rustHover = vscode.languages.registerHoverProvider({ scheme: 'file', language: 'rust' }, providers.rustHover)
   const dartHover = vscode.languages.registerHoverProvider({ scheme: 'file', language: 'dart' }, providers.dartHover)
   const kotlinHover = vscode.languages.registerHoverProvider({ scheme: 'file', language: 'kotlin' }, providers.kotlinHover)
+  const elixirHover = vscode.languages.registerHoverProvider({ scheme: 'file', language: 'elixir' }, providers.elixirHover)
 
   context.subscriptions.push(javascriptHover)
   context.subscriptions.push(typescriptHover)
@@ -31,6 +32,7 @@ const run = function (context) {
   context.subscriptions.push(rustHover)
   context.subscriptions.push(dartHover)
   context.subscriptions.push(kotlinHover)
+  context.subscriptions.push(elixirHover)
   return true
 }
 

lib/providers.js

@@ -62,6 +62,12 @@ const kotlinHover = {
   }
 }
 
+const elixirHover = {
+  provideHover: function (document, position, token) {
+    return helpers.hover('elixir', document, position)
+  }
+}
+
 const javascriptCompletion = {
   provideCompletionItems: function (document, position) {
     const linePrefix = document.lineAt(position).text.slice(0, position.character)
@@ -194,6 +200,17 @@ const kotlinCompletion = {
   }
 }
 
+const elixirCompletion = {
+  provideCompletionItems: function (document, position) {
+    const linePrefix = document.lineAt(position).text.slice(0, position.character)
+    if (!linePrefix.endsWith('System.get_env(')) {
+      return undefined
+    }
+
+    return helpers.autocomplete('(', document, position)
+  }
+}
+
 const viewDotenvNew = {
   refresh: function () {
     return null
@@ -220,6 +237,7 @@ module.exports.csharpHover = csharpHover
 module.exports.rustHover = rustHover
 module.exports.dartHover = dartHover
 module.exports.kotlinHover = kotlinHover
+module.exports.elixirHover = elixirHover
 module.exports.javascriptCompletion = javascriptCompletion
 module.exports.rubyCompletion = rubyCompletion
 module.exports.pythonCompletion = pythonCompletion
@@ -232,4 +250,5 @@ module.exports.csharpCompletion = csharpCompletion
 module.exports.rustCompletion = rustCompletion
 module.exports.dartCompletion = dartCompletion
 module.exports.kotlinCompletion = kotlinCompletion
+module.exports.elixirCompletion = elixirCompletion
 module.exports.viewDotenvNew = viewDotenvNew

package.json

@@ -3,7 +3,7 @@
   "displayName": "Dotenv Official +Vault",
   "description": "Official Dotenv. Auto-cloaking, auto-completion, in-code secret peeking, and more.",
   "author": "Mot @motdotla",
-  "version": "0.22.0",
+  "version": "0.23.0",
   "license": "MIT",
   "homepage": "https://github.com/dotenv-org/dotenv-vscode",
   "icon": "dotenv.png",

test/suite/examples/elixir.exs

@@ -0,0 +1,2 @@
+System.get_env("HELLO")
+System.get_env(

test/suite/lib/providers.test.js

@@ -358,6 +358,30 @@ describe('providers', function () {
     })
   })
 
+  describe('#elixirCompletion', function () {
+    it('returns undefined at line 0 and wrong position', async function () {
+      const elixirFile = path.join(__dirname, '..', 'examples', 'elixir.exs')
+      const document = await vscode.workspace.openTextDocument(elixirFile)
+      const position = new vscode.Position(1, 13)
+
+      const result = providers.elixirCompletion.provideCompletionItems(document, position)
+
+      assert.equal(result, undefined)
+    })
+
+    it('returns value at line 1 and correct position', async function () {
+      const elixirFile = path.join(__dirname, '..', 'examples', 'elixir.exs')
+      const document = await vscode.workspace.openTextDocument(elixirFile)
+      const position = new vscode.Position(1, 15)
+
+      const result = providers.elixirCompletion.provideCompletionItems(document, position)
+
+      assert.equal(result[0].insertText, '("HELLO"')
+      assert.equal(result[0].label.label, 'HELLO')
+      assert.equal(result[0].label.detail, ' World')
+    })
+  })
+
   describe('#javascriptHover', function () {
     it('returns undefined at 0 line', async function () {
       const javascriptFile = path.join(__dirname, '..', 'examples', 'javascript.js')
@@ -677,4 +701,26 @@ describe('providers', function () {
       assert.equal(result.contents[0], 'World')
     })
   })
+
+  describe('#elixirHover', function () {
+    it('returns undefined at 0 line with var format', async function () {
+      const elixirFile = path.join(__dirname, '..', 'examples', 'elixir.exs')
+      const document = await vscode.workspace.openTextDocument(elixirFile)
+      const position = new vscode.Position(0, 12)
+
+      const result = providers.elixirHover.provideHover(document, position)
+
+      assert.equal(result, undefined)
+    })
+
+    it('returns value at 0 line and correct position', async function () {
+      const elixirFile = path.join(__dirname, '..', 'examples', 'elixir.exs')
+      const document = await vscode.workspace.openTextDocument(elixirFile)
+      const position = new vscode.Position(0, 17)
+
+      const result = providers.elixirHover.provideHover(document, position)
+
+      assert.equal(result.contents[0], 'World')
+    })
+  })
 })