initial swift support setup

Author: skarim

.editorconfig

@@ -0,0 +1,11 @@
+# EditorConfig: https://EditorConfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2

README.md

@@ -95,25 +95,25 @@ Use this to understand where your events live in the code and how they're being
 Your LLM of choice is used for generating descriptions of events, properties, and implementations.
 
 See [schema.json](schema.json) for a JSON Schema of the output.
- 
+
 
 ## Supported tracking libraries & languages
 
-| Library | JavaScript/TypeScript | Python | Ruby | Go |
-|---------|:---------------------:|:------:|:----:|:--:|
-| Google Analytics   | ✅ | ❌ | ❌ | ❌ |
-| Google Tag Manager | ✅ | ❌ | ❌ | ❌ |
-| Segment            | ✅ | ✅ | ✅ | ✅ |
-| Mixpanel           | ✅ | ✅ | ✅ | ✅ |
-| Amplitude          | ✅ | ✅ | ❌ | ✅ |
-| Rudderstack        | ✅ | ✅ | ✳️ | ✳️ |
-| mParticle          | ✅ | ❌ | ❌ | ❌ |
-| PostHog            | ✅ | ✅ | ✅ | ✅ |
-| Pendo              | ✅ | ❌ | ❌ | ❌ |
-| Heap               | ✅ | ❌ | ❌ | ❌ |
-| Snowplow           | ✅ | ✅ | ✅ | ✅ |
-| Datadog RUM        | ✅ | ❌ | ❌ | ❌ |
-| Custom Function    | ✅ | ✅ | ✅ | ✅ |
+| Library | JavaScript/TypeScript | Python | Ruby | Go | Swift |
+|---------|:---------------------:|:------:|:----:|:--:|:--:|
+| Google Analytics   | ✅ | ❌ | ❌ | ❌ | ✅ |
+| Google Tag Manager | ✅ | ❌ | ❌ | ❌ | ✅ |
+| Segment            | ✅ | ✅ | ✅ | ✅ | ✅ |
+| Mixpanel           | ✅ | ✅ | ✅ | ✅ | ✅ |
+| Amplitude          | ✅ | ✅ | ❌ | ✅ | ✅ |
+| Rudderstack        | ✅ | ✅ | ✳️ | ✳️ | ✅ |
+| mParticle          | ✅ | ❌ | ❌ | ❌ | ✅ |
+| PostHog            | ✅ | ✅ | ✅ | ✅ | ✅ |
+| Pendo              | ✅ | ❌ | ❌ | ❌ | ✅ |
+| Heap               | ✅ | ❌ | ❌ | ❌ | ✅ |
+| Snowplow           | ✅ | ✅ | ✅ | ✅ | ❌ |
+| Datadog RUM        | ✅ | ❌ | ❌ | ❌ | ❌ |
+| Custom Function    | ✅ | ✅ | ✅ | ✅ | ✅ |
 
 ✳️ Rudderstack's SDKs often use the same format as Segment, so Rudderstack events may be detected as Segment events.
 
@@ -129,6 +129,13 @@ See [schema.json](schema.json) for a JSON Schema of the output.
     '<property_name>': '<property_value>'
   });
   ```
+
+  **Swift**
+  ```swift
+  Analytics.logEvent("<event_name>", parameters: [
+    "<property_name>": "<property_value>"
+  ])
+  ```
 </details>
 
 <details>
@@ -147,6 +154,11 @@ See [schema.json](schema.json) for a JSON Schema of the output.
     '<property_name>': '<property_value>'
   });
   ```
+
+  **Swift**
+  ```swift
+  dataLayer.push(["event": "<event_name>", "<property_name>": "<property_value>"])
+  ```
 </details>
 
 <details>
@@ -185,6 +197,11 @@ See [schema.json](schema.json) for a JSON Schema of the output.
       Set("<property_name>", "<property_value>"),
   })
   ```
+
+  **Swift**
+  ```swift
+  analytics.track(name: "<event_name>", properties: TrackProperties("<property_name>": "<property_value>"))
+  ```
 </details>
 
 <details>
@@ -221,6 +238,13 @@ See [schema.json](schema.json) for a JSON Schema of the output.
     }),
   })
   ```
+
+  **Swift**
+  ```swift
+  Mixpanel.mainInstance().track(event: "<event_name>", properties: [
+    "<property_name>": "<property_value>"
+  ])
+  ```
 </details>
 
 <details>
@@ -256,6 +280,14 @@ See [schema.json](schema.json) for a JSON Schema of the output.
     },
   })
   ```
+
+  **Swift**
+  ```swift
+  amplitude.track(
+    eventType: "<event_name>",
+    eventProperties: ["<property_name>": "<property_value>"]
+  )
+  ```
 </details>
 
 <details>
@@ -295,6 +327,13 @@ See [schema.json](schema.json) for a JSON Schema of the output.
       Set("<property_name>", "<property_value>"),
   })
   ```
+
+  **Swift**
+  ```swift
+  RSClient.sharedInstance()?.track("<event_name>", properties: [
+    "<property_name>": "<property_value>"
+  ])
+  ```
 </details>
 
 <details>
@@ -306,6 +345,15 @@ See [schema.json](schema.json) for a JSON Schema of the output.
     '<property_name>': '<property_value>'
   });
   ```
+
+  **Swift**
+  ```swift
+  let event = MPEvent(name: "<event_name>", type: .other)
+  event.customAttributes = [
+    "<property_name>": "<property_value>"
+  ]
+  MParticle.sharedInstance().logEvent(event)
+  ```
 </details>
 
 <details>
@@ -353,6 +401,13 @@ See [schema.json](schema.json) for a JSON Schema of the output.
       Set("<property_name>", "<property_value>"),
   })
   ```
+
+  **Swift**
+  ```swift
+  PostHogSDK.shared.capture("<event_name>", properties: [
+    "<property_name>": "<property_value>"
+  ])
+  ```
 </details>
 
 <details>
@@ -372,7 +427,12 @@ See [schema.json](schema.json) for a JSON Schema of the output.
   })
   ```
 
-
+  **Swift**
+  ```swift
+  PendoManager.shared().track("<event_name>", properties: [
+    "<property_name>": "<property_value>"
+  ])
+  ```
 </details>
 
 <details>
@@ -392,7 +452,12 @@ See [schema.json](schema.json) for a JSON Schema of the output.
   })
   ```
 
-
+  **Swift**
+  ```swift
+  Heap.shared.track("<event_name>", properties: [
+    "<property_name>": "<property_value>"
+  ])
+  ```
 </details>
 
 <details>
@@ -403,7 +468,7 @@ See [schema.json](schema.json) for a JSON Schema of the output.
   datadogRum.addAction('<event_name>', {
     '<property_name>': '<property_value>'
   });
-  
+
   // Or via window
   window.DD_RUM.addAction('<event_name>', {
     '<property_name>': '<property_value>'

package-lock.json

@@ -13,6 +13,7 @@
     "test:python": "node --experimental-vm-modules --test tests/analyzePython.test.js",
     "test:ruby": "node --experimental-vm-modules --test tests/analyzeRuby.test.js",
     "test:go": "node --test tests/analyzeGo.test.js",
+    "test:swift": "node --test tests/analyzeSwift.test.js",
     "test:cli": "node --test tests/cli.test.js",
     "test:schema": "node --test tests/schema.test.js",
     "test:generateDescriptions": "node --test tests/generateDescriptions.test.js",
@@ -34,6 +35,7 @@
   },
   "homepage": "https://github.com/fliskdata/analyze-tracking#readme",
   "dependencies": {
+    "@flisk/swift-ast": "^0.1.2",
     "@langchain/core": "^0.3.56",
     "@langchain/google-vertexai": "^0.2.9",
     "@langchain/openai": "^0.5.10",
@@ -52,9 +54,9 @@
     "zod": "^3.24.4"
   },
   "devDependencies": {
+    "@types/react": "^19.1.6",
     "ajv": "^8.17.1",
     "lodash": "^4.17.21",
-    "react": "^19.1.0",
-    "@types/react": "^19.1.6"
+    "react": "^19.1.0"
   }
 }

package.json

@@ -13,12 +13,13 @@ const { analyzeTsFiles } = require('./typescript');
 const { analyzePythonFile } = require('./python');
 const { analyzeRubyFile, prebuildConstantMaps } = require('./ruby');
 const { analyzeGoFile } = require('./go');
+const { analyzeSwiftFile } = require('./swift');
 
 /**
  * Analyzes a single file for analytics tracking calls
- * 
+ *
  * Note: typescript files are handled separately by analyzeTsFiles, which is a batch processor
- * 
+ *
  * @param {string} file - Path to the file to analyze
  * @param {Array<string>} customFunctionSignatures - Custom function signatures to detect
  * @returns {Promise<Array<Object>>} Array of events found in the file
@@ -28,19 +29,20 @@ async function analyzeFile(file, customFunctionSignatures) {
   if (/\.py$/.test(file))   return analyzePythonFile(file, customFunctionSignatures)
   if (/\.rb$/.test(file))   return analyzeRubyFile(file, customFunctionSignatures)
   if (/\.go$/.test(file))   return analyzeGoFile(file, customFunctionSignatures)
+  if (/\.swift$/.test(file)) return analyzeSwiftFile(file, customFunctionSignatures)
   return []
 }
 
 /**
  * Adds an event to the events collection, merging properties if event already exists
- * 
+ *
  * @param {Object} allEvents - Collection of all events
  * @param {Object} event - Event to add
  * @param {string} baseDir - Base directory for relative path calculation
  */
 function addEventToCollection(allEvents, event, baseDir) {
   const relativeFilePath = path.relative(baseDir, event.filePath);
-  
+
   const implementation = {
     path: relativeFilePath,
     line: event.line,
@@ -64,12 +66,12 @@ function addEventToCollection(allEvents, event, baseDir) {
 
 /**
  * Processes all files that are not TypeScript files in parallel
- * 
+ *
  * Checks the system's file descriptor limit and uses 80% of it to avoid running out of file descriptors
  * Creates a promise pool and launches one analysis for each file in parallel
  * When a slot frees up, the next file is launched
  * Waits for the remaining work to complete
- * 
+ *
  * @param {Array<string>} files - Array of file paths
  * @param {Object} allEvents - Collection to add events to
  * @param {string} baseDir - Base directory for relative paths
@@ -121,28 +123,33 @@ async function processFiles(files, allEvents, baseDir, customFunctionSignatures)
 
 /**
  * Analyze a directory recursively for analytics tracking calls
- * 
+ *
  * This function scans all supported files in a directory tree and identifies analytics tracking calls,
  * handling different file types appropriately.
- * 
+ *
  * @param {string} dirPath - Path to the directory to analyze
  * @param {Array<string>} [customFunctions=null] - Array of custom tracking function signatures to detect
  * @returns {Promise<Object>} Object mapping event names to their tracking implementations
  */
 async function analyzeDirectory(dirPath, customFunctions) {
   const allEvents = {};
 
-  const customFunctionSignatures = (customFunctions?.length > 0) 
-    ? customFunctions.map(parseCustomFunctionSignature) 
-    : null;
+  let customFunctionSignatures = null;
+  if (Array.isArray(customFunctions) && customFunctions.length > 0) {
+    customFunctionSignatures = customFunctions.map(cf => {
+      if (cf && typeof cf === 'object' && cf.functionName) return cf;
+      if (typeof cf === 'string') return parseCustomFunctionSignature(cf);
+      return null;
+    }).filter(Boolean);
+  }
 
   const files = getAllFiles(dirPath);
-  
+
   // Separate TypeScript files from others for optimized processing
   const tsFiles = [];
   const nonTsFiles = [];
   const rubyFiles = [];
-  
+
   for (const file of files) {
     const isTsFile = /\.(tsx?)$/.test(file);
     if (isTsFile) {