settings.json

{
  // Enable per-language
  "[powershell]": {
    "editor.formatOnSave": true
  },
  // Controls how the editor should render whitespace characters, possibilities are 'none', 'boundary', and 'all'. The 'boundary' option does not render single spaces between words.
  "editor.renderWhitespace": "boundary", // Default: none
  // Does not reformat one-line code blocks, such as "if (...) {...} else {...}".
  "powershell.codeFormatting.ignoreOneLineBlock": false, // Default: True
  // Adds a newline (line break) after a closing brace.
  "powershell.codeFormatting.newLineAfterCloseBrace": true, // Default: True
  // Adds a newline (line break) after an open brace.
  "powershell.codeFormatting.newLineAfterOpenBrace": true, // Default: True
  // Places open brace on the same line as its associated statement.
  "powershell.codeFormatting.openBraceOnSameLine": true, // Default: True
  // Adds a space after a separator (',' and ';').
  "powershell.codeFormatting.whitespaceAfterSeparator": true, // Default: True
  // Adds spaces before and after an operator ('=', '+', '-', etc.).
  "powershell.codeFormatting.whitespaceAroundOperator": true, // Default: True
  // Adds a space between a keyword and its associated scriptblock expression.
  "powershell.codeFormatting.whitespaceBeforeOpenBrace": true, // Default: True
  // Adds a space between a keyword (if, elseif, while, switch, etc) and its associated conditional expression.
  "powershell.codeFormatting.whitespaceBeforeOpenParen": true, // Default: True
  // Align assignment statements in a hashtable or a DSC Configuration.
  "powershell.codeFormatting.alignPropertyValuePairs": true // Default: True
}