eslint-plugin-stylistic-compat/dist/rules/template-curly-spacing.js

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

'use strict';

var _startsWithInstanceProperty = require('@babel/runtime-corejs3/core-js/instance/starts-with');
var _endsWithInstanceProperty = require('@babel/runtime-corejs3/core-js/instance/ends-with');
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('../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/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 templateCurlySpacing = utils.createRule({
  name: "template-curly-spacing",
  package: "js",
  meta: {
    type: "layout",
    docs: {
      description: "Require or disallow spacing around embedded expressions of template strings"
    },
    fixable: "whitespace",
    schema: [{
      type: "string",
      enum: ["always", "never"]
    }],
    messages: {
      expectedBefore: "Expected space(s) before '}'.",
      expectedAfter: "Expected space(s) after '${'.",
      unexpectedBefore: "Unexpected space(s) before '}'.",
      unexpectedAfter: "Unexpected space(s) after '${'."
    }
  },
  create(context) {
    const sourceCode = context.sourceCode;
    const always = context.options[0] === "always";
    function checkSpacingBefore(token) {
      var _context;
      if (!_startsWithInstanceProperty(_context = token.value).call(_context, "}")) return;
      const prevToken = sourceCode.getTokenBefore(token, {
        includeComments: true
      });
      const hasSpace = sourceCode.isSpaceBetween(prevToken, token);
      if (!utils.isTokenOnSameLine(prevToken, token)) return;
      if (always && !hasSpace) {
        context.report({
          loc: {
            start: token.loc.start,
            end: {
              line: token.loc.start.line,
              column: token.loc.start.column + 1
            }
          },
          messageId: "expectedBefore",
          fix: fixer => fixer.insertTextBefore(token, " ")
        });
      }
      if (!always && hasSpace) {
        context.report({
          loc: {
            start: prevToken.loc.end,
            end: token.loc.start
          },
          messageId: "unexpectedBefore",
          fix: fixer => fixer.removeRange([prevToken.range[1], token.range[0]])
        });
      }
    }
    function checkSpacingAfter(token) {
      var _context2;
      if (!_endsWithInstanceProperty(_context2 = token.value).call(_context2, "${")) return;
      const nextToken = sourceCode.getTokenAfter(token, {
        includeComments: true
      });
      const hasSpace = sourceCode.isSpaceBetween(token, nextToken);
      if (!utils.isTokenOnSameLine(token, nextToken)) return;
      if (always && !hasSpace) {
        context.report({
          loc: {
            start: {
              line: token.loc.end.line,
              column: token.loc.end.column - 2
            },
            end: token.loc.end
          },
          messageId: "expectedAfter",
          fix: fixer => fixer.insertTextAfter(token, " ")
        });
      }
      if (!always && hasSpace) {
        context.report({
          loc: {
            start: token.loc.end,
            end: nextToken.loc.start
          },
          messageId: "unexpectedAfter",
          fix: fixer => fixer.removeRange([token.range[1], nextToken.range[0]])
        });
      }
    }
    return {
      TemplateElement(node) {
        const token = sourceCode.getFirstToken(node);
        checkSpacingBefore(token);
        checkSpacingAfter(token);
      }
    };
  }
});

module.exports = templateCurlySpacing;