eslint-plugin-stylistic-compat/dist/rules/semi-style.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');

const SELECTOR = ["BreakStatement", "ContinueStatement", "DebuggerStatement", "DoWhileStatement", "ExportAllDeclaration", "ExportDefaultDeclaration", "ExportNamedDeclaration", "ExpressionStatement", "ImportDeclaration", "ReturnStatement", "ThrowStatement", "VariableDeclaration", "PropertyDefinition"].join(",");
function getChildren(node) {
  const t = node.type;
  if (t === "BlockStatement" || t === "StaticBlock" || t === "Program" || t === "ClassBody") {
    return node.body;
  }
  if (t === "SwitchCase") return node.consequent;
  return null;
}
function isLastChild(node) {
  if (!node.parent) return true;
  const t = node.parent.type;
  if (t === "IfStatement" && node.parent.consequent === node && node.parent.alternate) {
    return true;
  }
  if (t === "DoWhileStatement") {
    return true;
  }
  const nodeList = getChildren(node.parent);
  return nodeList !== null && nodeList[nodeList.length - 1] === node;
}
var semiStyle = utils.createRule({
  name: "semi-style",
  package: "js",
  meta: {
    type: "layout",
    docs: {
      description: "Enforce location of semicolons"
    },
    schema: [{
      type: "string",
      enum: ["last", "first"]
    }],
    fixable: "whitespace",
    messages: {
      expectedSemiColon: "Expected this semicolon to be at {{pos}}."
    }
  },
  create(context) {
    const sourceCode = context.sourceCode;
    const option = context.options[0] || "last";
    function check(semiToken, expected) {
      const prevToken = sourceCode.getTokenBefore(semiToken);
      const nextToken = sourceCode.getTokenAfter(semiToken);
      const prevIsSameLine = !prevToken || utils.isTokenOnSameLine(prevToken, semiToken);
      const nextIsSameLine = !nextToken || utils.isTokenOnSameLine(semiToken, nextToken);
      if (expected === "last" && !prevIsSameLine || expected === "first" && !nextIsSameLine) {
        context.report({
          loc: semiToken.loc,
          messageId: "expectedSemiColon",
          data: {
            pos: expected === "last" ? "the end of the previous line" : "the beginning of the next line"
          },
          fix(fixer) {
            if (prevToken && nextToken && sourceCode.commentsExistBetween(prevToken, nextToken)) return null;
            const start = prevToken ? prevToken.range[1] : semiToken.range[0];
            const end = nextToken ? nextToken.range[0] : semiToken.range[1];
            const text = expected === "last" ? ";\n" : "\n;";
            return fixer.replaceTextRange([start, end], text);
          }
        });
      }
    }
    return {
      [SELECTOR](node) {
        if (option === "first" && isLastChild(node)) return;
        const lastToken = sourceCode.getLastToken(node);
        if (utils.isSemicolonToken(lastToken)) check(lastToken, option);
      },
      ForStatement(node) {
        const firstSemi = node.init && sourceCode.getTokenAfter(node.init, utils.isSemicolonToken);
        const secondSemi = node.test && sourceCode.getTokenAfter(node.test, utils.isSemicolonToken);
        if (firstSemi) check(firstSemi, "last");
        if (secondSemi) check(secondSemi, "last");
      }
    };
  }
});

module.exports = semiStyle;