eslint-plugin-stylistic-compat/dist/rules/space-in-parens.js

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

'use strict';

var _includesInstanceProperty = require('@babel/runtime-corejs3/core-js/instance/includes');
var _forEachInstanceProperty = require('@babel/runtime-corejs3/core-js/instance/for-each');
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/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/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 spaceInParens = utils.createRule({
  name: "space-in-parens",
  package: "js",
  meta: {
    type: "layout",
    docs: {
      description: "Enforce consistent spacing inside parentheses"
    },
    fixable: "whitespace",
    schema: [{
      type: "string",
      enum: ["always", "never"]
    }, {
      type: "object",
      properties: {
        exceptions: {
          type: "array",
          items: {
            type: "string",
            enum: ["{}", "[]", "()", "empty"]
          },
          uniqueItems: true
        }
      },
      additionalProperties: false
    }],
    messages: {
      missingOpeningSpace: "There must be a space after this paren.",
      missingClosingSpace: "There must be a space before this paren.",
      rejectedOpeningSpace: "There should be no space after this paren.",
      rejectedClosingSpace: "There should be no space before this paren."
    }
  },
  create(context) {
    const ALWAYS = context.options[0] === "always";
    const exceptionsArrayOptions = context.options[1] && context.options[1].exceptions || [];
    const options = {
      braceException: false,
      bracketException: false,
      parenException: false,
      empty: false
    };
    let exceptions = {
      openers: [],
      closers: []
    };
    if (exceptionsArrayOptions.length) {
      options.braceException = _includesInstanceProperty(exceptionsArrayOptions).call(exceptionsArrayOptions, "{}");
      options.bracketException = _includesInstanceProperty(exceptionsArrayOptions).call(exceptionsArrayOptions, "[]");
      options.parenException = _includesInstanceProperty(exceptionsArrayOptions).call(exceptionsArrayOptions, "()");
      options.empty = _includesInstanceProperty(exceptionsArrayOptions).call(exceptionsArrayOptions, "empty");
    }
    function getExceptions() {
      const openers = [];
      const closers = [];
      if (options.braceException) {
        openers.push("{");
        closers.push("}");
      }
      if (options.bracketException) {
        openers.push("[");
        closers.push("]");
      }
      if (options.parenException) {
        openers.push("(");
        closers.push(")");
      }
      if (options.empty) {
        openers.push(")");
        closers.push("(");
      }
      return {
        openers,
        closers
      };
    }
    const sourceCode = context.sourceCode;
    function isOpenerException(token) {
      var _context;
      return _includesInstanceProperty(_context = exceptions.openers).call(_context, token.value);
    }
    function isCloserException(token) {
      var _context2;
      return _includesInstanceProperty(_context2 = exceptions.closers).call(_context2, token.value);
    }
    function openerMissingSpace(openingParenToken, tokenAfterOpeningParen) {
      if (sourceCode.isSpaceBetween(openingParenToken, tokenAfterOpeningParen)) return false;
      if (!options.empty && utils.isClosingParenToken(tokenAfterOpeningParen)) return false;
      if (ALWAYS) return !isOpenerException(tokenAfterOpeningParen);
      return isOpenerException(tokenAfterOpeningParen);
    }
    function openerRejectsSpace(openingParenToken, tokenAfterOpeningParen) {
      if (!utils.isTokenOnSameLine(openingParenToken, tokenAfterOpeningParen)) return false;
      if (tokenAfterOpeningParen.type === "Line") return false;
      if (!sourceCode.isSpaceBetween(openingParenToken, tokenAfterOpeningParen)) return false;
      if (ALWAYS) return isOpenerException(tokenAfterOpeningParen);
      return !isOpenerException(tokenAfterOpeningParen);
    }
    function closerMissingSpace(tokenBeforeClosingParen, closingParenToken) {
      if (sourceCode.isSpaceBetween(tokenBeforeClosingParen, closingParenToken)) return false;
      if (!options.empty && utils.isOpeningParenToken(tokenBeforeClosingParen)) return false;
      if (ALWAYS) return !isCloserException(tokenBeforeClosingParen);
      return isCloserException(tokenBeforeClosingParen);
    }
    function closerRejectsSpace(tokenBeforeClosingParen, closingParenToken) {
      if (!utils.isTokenOnSameLine(tokenBeforeClosingParen, closingParenToken)) return false;
      if (!sourceCode.isSpaceBetween(tokenBeforeClosingParen, closingParenToken)) return false;
      if (ALWAYS) return isCloserException(tokenBeforeClosingParen);
      return !isCloserException(tokenBeforeClosingParen);
    }
    return {
      Program: function checkParenSpaces(node) {
        exceptions = getExceptions();
        const tokens = sourceCode.tokensAndComments;
        _forEachInstanceProperty(tokens).call(tokens, (token, i) => {
          const prevToken = tokens[i - 1];
          const nextToken = tokens[i + 1];
          if (!utils.isOpeningParenToken(token) && !utils.isClosingParenToken(token)) return;
          if (token.value === "(" && openerMissingSpace(token, nextToken)) {
            context.report({
              node,
              loc: token.loc,
              messageId: "missingOpeningSpace",
              fix(fixer) {
                return fixer.insertTextAfter(token, " ");
              }
            });
          }
          if (token.value === "(" && openerRejectsSpace(token, nextToken)) {
            context.report({
              node,
              loc: {
                start: token.loc.end,
                end: nextToken.loc.start
              },
              messageId: "rejectedOpeningSpace",
              fix(fixer) {
                return fixer.removeRange([token.range[1], nextToken.range[0]]);
              }
            });
          }
          if (token.value === ")" && closerMissingSpace(prevToken, token)) {
            context.report({
              node,
              loc: token.loc,
              messageId: "missingClosingSpace",
              fix(fixer) {
                return fixer.insertTextBefore(token, " ");
              }
            });
          }
          if (token.value === ")" && closerRejectsSpace(prevToken, token)) {
            context.report({
              node,
              loc: {
                start: prevToken.loc.end,
                end: token.loc.start
              },
              messageId: "rejectedClosingSpace",
              fix(fixer) {
                return fixer.removeRange([prevToken.range[1], token.range[0]]);
              }
            });
          }
        });
      }
    };
  }
});

module.exports = spaceInParens;