Add three.js updater script.

package.json

@@ -20,6 +20,7 @@
 		"test": "mocha test",
 		"build": "node tools/run_python.js tools/build.py",
 		"update": "node tools/run_python.js tools/update.py",
+		"updatelibs": "node tools/run_python.js tools/updatelibs.py && npm run update",
 		"svg": "node tools/run_python.js tools/svg.py"
 	},
 	"dependencies": {},

tools/lib/tools_lib.py

@@ -1,5 +1,6 @@
-import codecs
 import os
+import re
+import codecs
 
 def GetFileContent (filePath):
 	fileObject = codecs.open (filePath, 'r', 'utf-8')
@@ -50,7 +51,7 @@ class TokenReplacer:
 				fileLinks.append (linePrefix + '<link rel="stylesheet" type="text/css" href="' + fileSourceUrl + '">')
 		newContent = self.eolChar.join (fileLinks)
 		self.ReplaceContent (begToken, endToken, begPosition, endPosition + len (endToken), linePrefix, newContent)
-		
+
 	def WriteToFile (self, filePath):
 		WriteContentToFile (filePath, self.fileContent)
 
@@ -62,7 +63,7 @@ class TokenReplacer:
 	def ReplaceString (self, oldString, newString):
 		self.fileContent = self.fileContent.replace (oldString, newString)
 
-	def GetTokenBegPosition (self, begToken):	
+	def GetTokenBegPosition (self, begToken):
 		begPosition = self.fileContent.find (begToken)
 		linePrefix = ''
 		if begPosition == -1:
@@ -74,7 +75,7 @@ class TokenReplacer:
 			linePrefix = self.fileContent[begPosition] + linePrefix
 		return begPosition, linePrefix
 
-	def GetTokenEndPosition (self, endToken):	
+	def GetTokenEndPosition (self, endToken):
 		return self.fileContent.find (endToken)
 
 	def GetEOLChar (self):
@@ -97,6 +98,11 @@ def ReplaceStringInFile (filePath, oldString, newString):
 	content = content.replace (oldString, newString)
 	WriteContentToFile (filePath, content)
 
+def ReplaceRegexInFile (filePath, oldRegex, newRegex):
+	content = GetFileContent (filePath)
+	content = re.sub (oldRegex, newRegex, content)
+	WriteContentToFile (filePath, content)
+
 def CreateFileLinks (fileUrls, linePrefix, eolChar):
 	result = ''
 	for fileUrl in fileUrls:

tools/updatelibs.py

@@ -0,0 +1,78 @@
+import os
+import sys
+import json
+import shutil
+import zipfile
+import urllib
+import urllib.request
+
+from lib import tools_lib as Tools
+
+threeJsFilesMap = [
+    [os.path.join ('build', 'three.min.js'), os.path.join ('three.min-$TAG_NAME$.js')],
+    [os.path.join ('examples', 'js', 'libs', 'chevrotain.min.js'), os.path.join ('three_loaders', 'chevrotain.min.js')],
+    [os.path.join ('examples', 'js', 'loaders', '3MFLoader.js'), os.path.join ('three_loaders', '3MFLoader.js')],
+    [os.path.join ('examples', 'js', 'loaders', 'ColladaLoader.js'), os.path.join ('three_loaders', 'ColladaLoader.js')],
+    [os.path.join ('examples', 'js', 'loaders', 'FBXLoader.js'), os.path.join ('three_loaders', 'FBXLoader.js')],
+    [os.path.join ('examples', 'js', 'loaders', 'VRMLLoader.js'), os.path.join ('three_loaders', 'VRMLLoader.js')]
+]
+
+def PrintInfo (message):
+    print ('INFO: ' + message)
+
+def PrintError (message):
+    print ('ERROR: ' + message)
+
+def DownloadFile (url, resultPath):
+    PrintInfo ('Downloading ' + url)
+    urllib.request.urlretrieve (url, resultPath)
+
+def UnzipFile (zipPath, resultFolder):
+	PrintInfo ('Unzipping ' + zipPath)
+	with zipfile.ZipFile (zipPath, 'r') as zipFile:
+		zipFile.extractall (resultFolder)
+
+def UpdateThreeJs (rootDir, tempDir):
+    libsDir = os.path.join (rootDir, 'libs')
+    for fileName in os.listdir (libsDir):
+        if (fileName.startswith ('three.min-')):
+            os.remove (os.path.join (libsDir, fileName))
+
+    response = urllib.request.urlopen ('https://api.github.com/repos/mrdoob/three.js/releases/latest')
+    responseJson = json.loads (response.read ())
+
+    threeJsTagName = responseJson['tag_name']
+
+    threeJsFileName = 'three.js-' + threeJsTagName
+    threeJsZipPath = os.path.join (tempDir, threeJsFileName + '.zip')
+    threeJsExtractedFolderPath = os.path.join (tempDir, threeJsFileName)
+
+    DownloadFile ('https://github.com/mrdoob/three.js/archive/refs/tags/' + threeJsTagName + '.zip', threeJsZipPath)
+    UnzipFile (threeJsZipPath, threeJsExtractedFolderPath)
+
+    for threeJsFile in threeJsFilesMap:
+        src = os.path.join (tempDir, threeJsFileName, threeJsFileName, threeJsFile[0])
+        dst = os.path.join (libsDir, threeJsFile[1].replace ('$TAG_NAME$', threeJsTagName))
+        PrintInfo ('Copying file ' + os.path.split (src)[1])
+        shutil.copy2 (src, dst)
+
+    PrintInfo ('Replacing file in config.json')
+    configFilePath = os.path.join (rootDir, 'tools', 'config.json')
+    Tools.ReplaceRegexInFile (configFilePath, 'three.min-r[0-9]+.js', 'three.min-' + threeJsTagName + '.js')
+
+def Main (argv):
+    toolsDir = os.path.dirname (os.path.abspath (__file__))
+    rootDir = os.path.dirname (toolsDir)
+    os.chdir (rootDir)
+
+    tempDir = os.path.join (rootDir, 'build', 'temp')
+    if os.path.exists (tempDir):
+        shutil.rmtree (tempDir)
+    os.makedirs (tempDir)
+
+    UpdateThreeJs (rootDir, tempDir)
+    shutil.rmtree (tempDir)
+
+    return 0
+
+sys.exit (Main (sys.argv))