@maniascript/mslint/dist/lib/rules/init-declaration.js

ManiaScript linter

import {} from '../linter/rule.js';
import { VariableDeclaration } from '@maniascript/parser';
export var Target;
(function (Target) {
    Target["Always"] = "Always";
    Target["AlwaysTrait"] = "AlwaysTrait";
    Target["Never"] = "Never";
})(Target || (Target = {}));
export const initDeclaration = {
    meta: {
        id: 'init-declaration',
        description: 'Require or forbid initialization in variable declarations',
        recommended: true,
        settings: {
            target: 'AlwaysTrait'
        }
    },
    create(context) {
        const target = context.settings['target'] !== undefined ? context.settings['target'] : Target.AlwaysTrait;
        return {
            'VariableDeclaration:exit': (node) => {
                if (node instanceof VariableDeclaration && !node.isGlobal) {
                    if (target === Target.Always) {
                        if (node.initializerExpression === undefined) {
                            context.report(node, `Variable '${node.name.name}' must be initialized on declaration`);
                        }
                    }
                    else if (target === Target.AlwaysTrait) {
                        if (node.forTarget !== undefined && node.initializerExpression === undefined) {
                            context.report(node, `Variable '${node.name.name}' must be initialized on declaration`);
                        }
                    }
                    else {
                        if (node.initializerExpression !== undefined) {
                            context.report(node, `Variable '${node.name.name}' should not be initialized on declaration`);
                        }
                    }
                }
            }
        };
    }
};