eslint-plugin-stylistic-compat/dist/rules/type-generic-spacing.js

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

'use strict';

var _Set = require('@babel/runtime-corejs3/core-js/set');
var _sliceInstanceProperty = require('@babel/runtime-corejs3/core-js/instance/slice');
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/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/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');

const PRESERVE_PREFIX_SPACE_BEFORE_GENERIC = /* @__PURE__ */new _Set(["TSCallSignatureDeclaration", "ArrowFunctionExpression", "TSFunctionType", "FunctionExpression"]);
var typeGenericSpacing = utils.createRule({
  name: "type-generic-spacing",
  package: "plus",
  meta: {
    type: "layout",
    docs: {
      description: "Enforces consistent spacing inside TypeScript type generics"
    },
    fixable: "whitespace",
    schema: [],
    messages: {
      genericSpacingMismatch: "Generic spaces mismatch"
    }
  },
  defaultOptions: [],
  create: context => {
    const sourceCode = context.sourceCode;
    return {
      TSTypeParameterInstantiation: node => {
        const params = node.params;
        const openToken = sourceCode.getTokenBefore(params[0]);
        const firstToken = openToken ? sourceCode.getTokenAfter(openToken) : null;
        const closeToken = sourceCode.getTokenAfter(params[params.length - 1]);
        const lastToken = closeToken ? sourceCode.getTokenBefore(closeToken) : null;
        if (openToken && firstToken) {
          var _context;
          const textBetween = _sliceInstanceProperty(_context = sourceCode.text).call(_context, openToken.range[1], firstToken.range[0]);
          if (/\s/.test(textBetween) && !/^[\r\n]/.test(textBetween)) {
            context.report({
              node,
              messageId: "genericSpacingMismatch",
              *fix(fixer) {
                yield fixer.replaceTextRange([openToken.range[1], firstToken.range[0]], "");
              }
            });
          }
        }
        if (closeToken && lastToken) {
          var _context2;
          const textBetween = _sliceInstanceProperty(_context2 = sourceCode.text).call(_context2, lastToken.range[1], closeToken.range[0]);
          if (/\s/.test(textBetween) && !/^[\r\n]/.test(textBetween)) {
            context.report({
              node,
              messageId: "genericSpacingMismatch",
              *fix(fixer) {
                yield fixer.replaceTextRange([lastToken.range[1], closeToken.range[0]], "");
              }
            });
          }
        }
      },
      TSTypeParameterDeclaration: node => {
        if (!PRESERVE_PREFIX_SPACE_BEFORE_GENERIC.has(node.parent.type)) {
          var _context3, _pre$match;
          const pre = _sliceInstanceProperty(_context3 = sourceCode.text).call(_context3, 0, node.range[0]);
          const preSpace = (_pre$match = pre.match(/(\s+)$/)) == null ? undefined : _pre$match[0];
          if (preSpace && preSpace.length) {
            context.report({
              node,
              messageId: "genericSpacingMismatch",
              *fix(fixer) {
                yield fixer.replaceTextRange([node.range[0] - preSpace.length, node.range[0]], "");
              }
            });
          }
        }
        const params = node.params;
        const openToken = sourceCode.getTokenBefore(params[0]);
        const firstToken = openToken ? sourceCode.getTokenAfter(openToken) : null;
        const closeToken = sourceCode.getTokenAfter(params[params.length - 1]);
        const lastToken = closeToken ? sourceCode.getTokenBefore(closeToken) : null;
        if (openToken && firstToken) {
          var _context4;
          const textBetween = _sliceInstanceProperty(_context4 = sourceCode.text).call(_context4, openToken.range[1], firstToken.range[0]);
          if (/\s/.test(textBetween) && !/^[\r\n]/.test(textBetween)) {
            context.report({
              node,
              messageId: "genericSpacingMismatch",
              *fix(fixer) {
                yield fixer.replaceTextRange([openToken.range[1], firstToken.range[0]], "");
              }
            });
          }
        }
        if (closeToken && lastToken) {
          var _context5;
          const textBetween = _sliceInstanceProperty(_context5 = sourceCode.text).call(_context5, lastToken.range[1], closeToken.range[0]);
          if (/\s/.test(textBetween) && !/^[\r\n]/.test(textBetween)) {
            context.report({
              node,
              messageId: "genericSpacingMismatch",
              *fix(fixer) {
                yield fixer.replaceTextRange([lastToken.range[1], closeToken.range[0]], "");
              }
            });
          }
        }
        for (let i = 1; i < params.length; i++) {
          var _context6;
          const prev = params[i - 1];
          const current = params[i];
          const from = prev.range[1];
          const to = current.range[0];
          const span = _sliceInstanceProperty(_context6 = sourceCode.text).call(_context6, from, to);
          if (span !== ", " && !span.match(/,\s*\n/)) {
            context.report({
              *fix(fixer) {
                yield fixer.replaceTextRange([from, to], ", ");
              },
              loc: {
                start: prev.loc.end,
                end: current.loc.start
              },
              messageId: "genericSpacingMismatch",
              node
            });
          }
        }
      },
      // add space around = in type Foo<T = true>
      TSTypeParameter: node => {
        var _context7;
        if (!node.default) return;
        const endNode = node.constraint || node.name;
        const from = endNode.range[1];
        const to = node.default.range[0];
        const span = _sliceInstanceProperty(_context7 = sourceCode.text).call(_context7, from, to);
        if (!span.match(/(?:^|[^ ]) = (?:$|[^ ])/)) {
          context.report({
            *fix(fixer) {
              yield fixer.replaceTextRange([from, to], span.replace(/\s*=\s*/, " = "));
            },
            loc: {
              start: endNode.loc.end,
              end: node.default.loc.start
            },
            messageId: "genericSpacingMismatch",
            node
          });
        }
      }
    };
  }
});

module.exports = typeGenericSpacing;