Initial commit

.obsidian/plugins/obsidian-enhancing-export/lua/polyfill.lua

@@ -0,0 +1,58 @@
+os.platform = nil
+if os.platform == nil then
+  local libExt = package.cpath:match("%p[\\|/]?\\.%p(%a+)")
+  if libExt == 'dll' then
+    os.platform = "Windows"
+    require"utf8_filenames"
+  elseif libExt == 'so' then
+    os.platform = "Linux"
+  elseif libExt == 'dylib' then
+    os.platform = "MacOS"
+  end
+end
+
+
+os.copy = function(src, dest)
+  if os.platform == "Windows" then
+    src = string.gsub(src, "/", "\\")
+    os.execute('copy "' .. src .. '" "' .. dest .. '"')
+  else
+    os.execute('cp "' .. src .. '" "' .. dest .. '"')
+  end
+end
+
+os.mkdir = function(dir)
+  if os.exists(dir) then
+    return
+  end
+  if os.platform == "Windows" then
+    os.execute('mkdir "' .. dir .. '"')
+  else
+    os.execute('mkdir -p "' .. dir .. '"')
+  end
+end
+
+os.exists = function(path)
+  if os.platform == "Windows" then
+    path = string.gsub(path, "/", "\\")
+    local _, _, code = os.execute('if exist "' .. path .. '" (exit 0) else (exit 1)')
+    return code == 0
+  else
+    local _, _, code = os.execute('test -e "' .. path .. '"')
+    return code == 0
+  end
+end
+
+string.starts_with = function(str, start)
+   return str:sub(1, #start) == start
+end
+
+string.ends_with = function(str, ending)
+   return ending == "" or str:sub(-#ending) == ending
+end
+
+
+return {
+  os = os,
+  string = string
+}