@slippy-lint/slippy/dist/rules/explicit-types.js

A simple but powerful linter for Solidity

import * as z from "zod";
import { TerminalKind } from "@nomicfoundation/slang/cst";
const ConfigSchema = z.enum(["always", "never"]).default("always");
export const ExplicitTypes = {
    name: "explicit-types",
    recommended: true,
    parseConfig: (config) => {
        return ConfigSchema.parse(config);
    },
    create: function (config) {
        return new ExplicitTypesRule(this.name, config);
    },
};
class ExplicitTypesRule {
    constructor(name, config) {
        this.name = name;
        this.config = config;
    }
    run({ file }) {
        const results = [];
        const cursor = file.createTreeCursor();
        while (cursor.goToNextTerminalWithKinds([
            TerminalKind.UintKeyword,
            TerminalKind.IntKeyword,
            TerminalKind.UfixedKeyword,
            TerminalKind.FixedKeyword,
        ])) {
            const typeText = cursor.node.unparse();
            if (this.config === "always") {
                if (typeText === "uint" ||
                    typeText === "int" ||
                    typeText === "ufixed" ||
                    typeText === "fixed") {
                    results.push(this._buildLintResult(typeText, file.id, cursor.textRange));
                }
            }
            else {
                if (typeText === "uint256" ||
                    typeText === "int256" ||
                    typeText === "ufixed256x18" ||
                    typeText === "fixed128x18") {
                    results.push(this._buildLintResult(typeText, file.id, cursor.textRange));
                }
            }
        }
        return results;
    }
    _buildLintResult(typeText, sourceId, textRange) {
        return {
            rule: this.name,
            sourceId,
            message: `${this.config === "always" ? "implicit" : "explicit"} type '${typeText}' should be avoided`,
            line: textRange.start.line,
            column: textRange.start.column,
        };
    }
}
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