SharePoint Framework: The tslint.json to use with the TSLint VS Code extension. Add the file to the root of your src folder.

tslint.json

{
    "rules": {

      // Following not supported by tslint - breaks the linter!
      // "export-name": false,
      // "no-duplicate-case": true,
      // "no-function-expression": true,
      // "no-unnecessary-semicolons": true,
      // "no-unused-imports": true,
      // "no-use-before-declare": true,
      // "no-with-statement": true,
      // "use-named-parameter": true,
      // "valid-typeof": true,
      // "prefer-const": true,
      // "a11y-role": true,
      // "member-ordering": [false],
      // "no-constant-condition": [false],

      "class-name": false,
      "forin": false,
      "label-position": false,
      "label-undefined": false,
      "member-access": true,
      "no-arg": false,
      "no-console": [true, "log", "error"],
      "no-construct": false,
      "no-duplicate-key": false,
      "no-duplicate-variable": true,
      "no-eval": false,
      "no-internal-module": true,
      "no-shadowed-variable": true,
      "no-switch-case-fall-through": true,
      "no-unused-expression": true,
      "no-unused-variable": true,
      "no-unreachable": true,
      "semicolon": [true, "always"],
      "typedef": [true, "call-signature", "parameter", "member-variable-declaration", "property-declaration"],
      "typedef-whitespace": [
        true,
        {
          "call-signature": "nospace",
          "index-signature": "nospace",
          "parameter": "nospace",
          "property-declaration": "nospace",
          "variable-declaration": "nospace"
        },
        {
          "call-signature": "onespace",
          "index-signature": "onespace",
          "parameter": "onespace",
          "property-declaration": "onespace",
          "variable-declaration": "onespace"
        }
      ],
      "variable-name": false,
      "whitespace": [false],
      "no-constructor-vars": true,
      "comment-format": [true, "check-space"],
      "curly": false,
      "indent": [false],
      "interface-name": [true, "always-prefix"],
      "max-line-length": [true, 180],
      "no-any": false,
      "no-bitwise": false,
      "no-consecutive-blank-lines": true,
      "no-debugger": false,
      "no-empty": true,
      "no-null-keyword": false,
      "no-string-literal": false,
      "no-trailing-whitespace": false,
      "no-var-keyword": true,
      "one-line": [true, "check-open-brace"],
      "quotemark": [true, "double", "jsx-double", "avoid-escape"],
      "radix": false,
      "triple-equals": true,
      "trailing-comma": [true, {"multiline": "never", "singleline": "never"}],
      "object-literal-sort-keys": false
    }
}