eslint-plugin-stylistic-compat/dist/rules/switch-colon-spacing.js

Compatibility version of @stylistic/eslint-plugin for Node.js >= 12 and ESLint v8

'use strict';

var utils = require('../utils.js');
require('@babel/runtime-corejs3/core-js/object/from-entries');
require('@babel/runtime-corejs3/core-js/instance/map');
require('@babel/runtime-corejs3/core-js/instance/filter');
require('@babel/runtime-corejs3/core-js/object/entries');
require('@babel/runtime-corejs3/core-js/set');
require('@babel/runtime-corejs3/core-js/instance/flags');
require('@babel/runtime-corejs3/core-js/instance/includes');
require('@babel/runtime-corejs3/core-js/instance/starts-with');
require('../vendor.js');
require('@babel/runtime-corejs3/core-js/object/assign');
require('@babel/runtime-corejs3/core-js/object/create');
require('@babel/runtime-corejs3/core-js/object/freeze');
require('@babel/runtime-corejs3/core-js/array/is-array');
require('@babel/runtime-corejs3/core-js/instance/last-index-of');
require('@babel/runtime-corejs3/core-js/instance/slice');
require('@babel/runtime-corejs3/core-js/object/define-properties');
require('@babel/runtime-corejs3/core-js/object/keys');
require('@babel/runtime-corejs3/core-js/instance/index-of');
require('@babel/runtime-corejs3/core-js/instance/at');
require('@babel/runtime-corejs3/core-js/symbol');
require('@babel/runtime-corejs3/core-js/symbol/iterator');
require('@babel/runtime-corejs3/core-js/parse-int');
require('@babel/runtime-corejs3/core-js/parse-float');
require('@babel/runtime-corejs3/core-js/weak-map');
require('@babel/runtime-corejs3/core-js/object/define-property');
require('@babel/runtime-corejs3/core-js/global-this');
require('@babel/runtime-corejs3/core-js/instance/for-each');
require('@babel/runtime-corejs3/core-js/array/from');
require('eslint/use-at-your-own-risk');
require('eslint');
require('@babel/runtime-corejs3/core-js/object/get-own-property-descriptor');
require('@babel/runtime-corejs3/core-js/map');
require('@babel/runtime-corejs3/core-js/instance/some');
require('@babel/runtime-corejs3/core-js/instance/find');
require('@babel/runtime-corejs3/core-js/instance/every');
require('@babel/runtime-corejs3/core-js/instance/sort');
require('@babel/runtime-corejs3/core-js/array/of');
require('@babel/runtime-corejs3/core-js/instance/concat');
require('@babel/runtime-corejs3/core-js/instance/entries');
require('@babel/runtime-corejs3/core-js/instance/find-index');
require('@babel/runtime-corejs3/core-js/instance/flat');
require('@babel/runtime-corejs3/core-js/instance/keys');
require('@babel/runtime-corejs3/core-js/instance/values');
require('@babel/runtime-corejs3/core-js/object/get-own-property-names');
require('@babel/runtime-corejs3/core-js/number/is-finite');
require('@babel/runtime-corejs3/core-js/number/is-nan');
require('@babel/runtime-corejs3/core-js/number/parse-float');
require('@babel/runtime-corejs3/core-js/number/parse-int');
require('@babel/runtime-corejs3/core-js/object/is');
require('@babel/runtime-corejs3/core-js/object/is-extensible');
require('@babel/runtime-corejs3/core-js/object/is-frozen');
require('@babel/runtime-corejs3/core-js/object/is-sealed');
require('@babel/runtime-corejs3/core-js/object/values');
require('@babel/runtime-corejs3/core-js/string/from-code-point');
require('@babel/runtime-corejs3/core-js/string/raw');
require('@babel/runtime-corejs3/core-js/instance/code-point-at');
require('@babel/runtime-corejs3/core-js/instance/ends-with');
require('@babel/runtime-corejs3/core-js/instance/pad-end');
require('@babel/runtime-corejs3/core-js/instance/pad-start');
require('@babel/runtime-corejs3/core-js/instance/trim');
require('@babel/runtime-corejs3/core-js/instance/trim-end');
require('@babel/runtime-corejs3/core-js/instance/trim-left');
require('@babel/runtime-corejs3/core-js/instance/trim-right');
require('@babel/runtime-corejs3/core-js/instance/trim-start');
require('@babel/runtime-corejs3/core-js/symbol/for');
require('@babel/runtime-corejs3/core-js/symbol/key-for');
require('@babel/runtime-corejs3/core-js/object/prevent-extensions');
require('@babel/runtime-corejs3/core-js/object/seal');
require('@babel/runtime-corejs3/core-js/object/get-prototype-of');
require('@babel/runtime-corejs3/core-js/symbol/replace');
require('@babel/runtime-corejs3/core-js/instance/bind');
require('@babel/runtime-corejs3/core-js/instance/splice');
require('@babel/runtime-corejs3/core-js/instance/repeat');
require('@babel/runtime-corejs3/core-js/instance/reduce');
require('@babel/runtime-corejs3/core-js/instance/reverse');

var switchColonSpacing = utils.createRule({
  name: "switch-colon-spacing",
  package: "js",
  meta: {
    type: "layout",
    docs: {
      description: "Enforce spacing around colons of switch statements"
    },
    schema: [{
      type: "object",
      properties: {
        before: {
          type: "boolean",
          default: false
        },
        after: {
          type: "boolean",
          default: true
        }
      },
      additionalProperties: false
    }],
    fixable: "whitespace",
    messages: {
      expectedBefore: "Expected space(s) before this colon.",
      expectedAfter: "Expected space(s) after this colon.",
      unexpectedBefore: "Unexpected space(s) before this colon.",
      unexpectedAfter: "Unexpected space(s) after this colon."
    }
  },
  create(context) {
    const sourceCode = context.sourceCode;
    const options = context.options[0] || {};
    const beforeSpacing = options.before === true;
    const afterSpacing = options.after !== false;
    function isValidSpacing(left, right, expected) {
      return utils.isClosingBraceToken(right) || !utils.isTokenOnSameLine(left, right) || sourceCode.isSpaceBetween(left, right) === expected;
    }
    function commentsExistBetween(left, right) {
      return sourceCode.getFirstTokenBetween(left, right, {
        includeComments: true,
        filter: utils.isCommentToken
      }) !== null;
    }
    function fix(fixer, left, right, spacing) {
      if (commentsExistBetween(left, right)) return null;
      if (spacing) return fixer.insertTextAfter(left, " ");
      return fixer.removeRange([left.range[1], right.range[0]]);
    }
    return {
      SwitchCase(node) {
        const colonToken = utils.getSwitchCaseColonToken(node, sourceCode);
        const beforeToken = sourceCode.getTokenBefore(colonToken);
        const afterToken = sourceCode.getTokenAfter(colonToken);
        if (!isValidSpacing(beforeToken, colonToken, beforeSpacing)) {
          context.report({
            node,
            loc: colonToken.loc,
            messageId: beforeSpacing ? "expectedBefore" : "unexpectedBefore",
            fix: fixer => fix(fixer, beforeToken, colonToken, beforeSpacing)
          });
        }
        if (!isValidSpacing(colonToken, afterToken, afterSpacing)) {
          context.report({
            node,
            loc: colonToken.loc,
            messageId: afterSpacing ? "expectedAfter" : "unexpectedAfter",
            fix: fixer => fix(fixer, colonToken, afterToken, afterSpacing)
          });
        }
      }
    };
  }
});

module.exports = switchColonSpacing;