Rule: space-before-function-paren

Require or disallow a space before function parenthesis

Notes:
Has Fixer

Config

One argument which is an object which may contain the keys anonymous, named, and asyncArrow These should be set to either "always" or "never".

  • "anonymous" checks before the opening paren in anonymous functions
  • "named" checks before the opening paren in named functions
  • "asyncArrow" checks before the opening paren in async arrow functions
  • "method" checks before the opening paren in class methods
  • "constructor" checks before the opening paren in class constructors
Examples
"space-before-function-paren": true
"space-before-function-paren": [true, "always"]
"space-before-function-paren": [true, "never"]
"space-before-function-paren": [true, {"anonymous": "always", "named": "never", "asyncArrow": "always"}]
Schema
{
  "properties": {
    "anonymous": {
      "enum": [
        "always",
        "never"
      ],
      "type": "string"
    },
    "asyncArrow": {
      "enum": [
        "always",
        "never"
      ],
      "type": "string"
    },
    "constructor": {
      "enum": [
        "always",
        "never"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "always",
        "never"
      ],
      "type": "string"
    },
    "named": {
      "enum": [
        "always",
        "never"
      ],
      "type": "string"
    }
  },
  "type": "object"
}