@maniascript/mslint/dist/lib/rules/format-if-else.js

ManiaScript linter

import {} from '../linter/rule.js';
import { BlockStatement, ConditionalStatement, ManiaScriptLexer } from '@maniascript/parser';
export const formatIfElse = {
    meta: {
        id: 'format-if-else',
        description: 'Check that conditional statements are properly formated',
        recommended: true
    },
    create(context) {
        return {
            'ConditionalStatement:enter': (node) => {
                if (node instanceof ConditionalStatement) {
                    for (const branch of node.branches) {
                        if (!(branch.consequent instanceof BlockStatement)) {
                            if (branch.test === undefined) {
                                if (branch.consequent.source.loc.start.line !== branch.source.loc.start.line) {
                                    context.report(branch, 'Use braces or put everything on one line');
                                }
                            }
                            else {
                                let closingParenthesisReached = false;
                                for (let tokenIndex = branch.test.source.token.end + 1; tokenIndex < branch.consequent.source.token.start; tokenIndex++) {
                                    if (!closingParenthesisReached &&
                                        context.tokens.get(tokenIndex).type === ManiaScriptLexer.OPERATOR_CLOSE_PAREN) {
                                        closingParenthesisReached = true;
                                    }
                                    else if (closingParenthesisReached &&
                                        context.tokens.get(tokenIndex).type === ManiaScriptLexer.LINE_TERMINATOR) {
                                        context.report(branch, 'Use braces or put everything on one line');
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        };
    }
};