eslint-plugin-stylistic-compat/dist/rules/computed-property-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 computedPropertySpacing = utils.createRule({
  name: "computed-property-spacing",
  package: "js",
  meta: {
    type: "layout",
    docs: {
      description: "Enforce consistent spacing inside computed property brackets"
    },
    fixable: "whitespace",
    schema: [{
      type: "string",
      enum: ["always", "never"]
    }, {
      type: "object",
      properties: {
        enforceForClassMembers: {
          type: "boolean",
          default: true
        }
      },
      additionalProperties: false
    }],
    messages: {
      unexpectedSpaceBefore: "There should be no space before '{{tokenValue}}'.",
      unexpectedSpaceAfter: "There should be no space after '{{tokenValue}}'.",
      missingSpaceBefore: "A space is required before '{{tokenValue}}'.",
      missingSpaceAfter: "A space is required after '{{tokenValue}}'."
    }
  },
  create(context) {
    const sourceCode = context.sourceCode;
    const propertyNameMustBeSpaced = context.options[0] === "always";
    const enforceForClassMembers = !context.options[1] || context.options[1].enforceForClassMembers;
    function reportNoBeginningSpace(node, token, tokenAfter) {
      context.report({
        node,
        loc: {
          start: token.loc.end,
          end: tokenAfter.loc.start
        },
        messageId: "unexpectedSpaceAfter",
        data: {
          tokenValue: token.value
        },
        fix(fixer) {
          return fixer.removeRange([token.range[1], tokenAfter.range[0]]);
        }
      });
    }
    function reportNoEndingSpace(node, token, tokenBefore) {
      context.report({
        node,
        loc: {
          start: tokenBefore.loc.end,
          end: token.loc.start
        },
        messageId: "unexpectedSpaceBefore",
        data: {
          tokenValue: token.value
        },
        fix(fixer) {
          return fixer.removeRange([tokenBefore.range[1], token.range[0]]);
        }
      });
    }
    function reportRequiredBeginningSpace(node, token) {
      context.report({
        node,
        loc: token.loc,
        messageId: "missingSpaceAfter",
        data: {
          tokenValue: token.value
        },
        fix(fixer) {
          return fixer.insertTextAfter(token, " ");
        }
      });
    }
    function reportRequiredEndingSpace(node, token) {
      context.report({
        node,
        loc: token.loc,
        messageId: "missingSpaceBefore",
        data: {
          tokenValue: token.value
        },
        fix(fixer) {
          return fixer.insertTextBefore(token, " ");
        }
      });
    }
    function checkSpacing(propertyName) {
      return function (node) {
        if (!node.computed) return;
        const property = node[propertyName];
        const before = sourceCode.getTokenBefore(property, utils.isOpeningBracketToken);
        const first = sourceCode.getTokenAfter(before, {
          includeComments: true
        });
        const after = sourceCode.getTokenAfter(property, utils.isClosingBracketToken);
        const last = sourceCode.getTokenBefore(after, {
          includeComments: true
        });
        if (utils.isTokenOnSameLine(before, first)) {
          if (propertyNameMustBeSpaced) {
            if (!sourceCode.isSpaceBetween(before, first) && utils.isTokenOnSameLine(before, first)) reportRequiredBeginningSpace(node, before);
          } else {
            if (sourceCode.isSpaceBetween(before, first)) reportNoBeginningSpace(node, before, first);
          }
        }
        if (utils.isTokenOnSameLine(last, after)) {
          if (propertyNameMustBeSpaced) {
            if (!sourceCode.isSpaceBetween(last, after) && utils.isTokenOnSameLine(last, after)) reportRequiredEndingSpace(node, after);
          } else {
            if (sourceCode.isSpaceBetween(last, after)) reportNoEndingSpace(node, after, last);
          }
        }
      };
    }
    const listeners = {
      Property: checkSpacing("key"),
      MemberExpression: checkSpacing("property")
    };
    if (enforceForClassMembers) {
      listeners.MethodDefinition = checkSpacing("key");
      listeners.PropertyDefinition = checkSpacing("key");
    }
    return listeners;
  }
});

module.exports = computedPropertySpacing;