@slippy-lint/slippy/dist/formatter.js

A simple but powerful linter for Solidity

import { Logger } from "./internal/logger.js";
import chalk from "chalk";
export function formatAndPrintDiagnostics(diagnostics, sourceIdToAbsolutePath, consoleLog = Logger.log, colorizer = chalk) {
    if (diagnostics.length === 0) {
        return;
    }
    consoleLog();
    const groupedDiagnostics = {};
    for (const diagnostic of diagnostics) {
        const absolutePath = sourceIdToAbsolutePath[diagnostic.sourceId];
        groupedDiagnostics[absolutePath] || (groupedDiagnostics[absolutePath] = []);
        groupedDiagnostics[absolutePath].push(diagnostic);
    }
    let errorCount = 0;
    let warningCount = 0;
    let maxPositionLength = 0;
    let maxMessageLength = 0;
    let maxSeverityLength = 0;
    let firstIteration = true;
    for (const [absolutePath, diagnostics] of Object.entries(groupedDiagnostics)) {
        if (!firstIteration) {
            consoleLog();
        }
        firstIteration = false;
        consoleLog(colorizer.underline(absolutePath));
        const errorLines = [];
        for (const diagnostic of diagnostics) {
            if (diagnostic.severity === "error") {
                errorCount++;
            }
            else {
                warningCount++;
            }
            const position = `${diagnostic.line + 1}:${diagnostic.column + 1}`;
            maxPositionLength = Math.max(maxPositionLength, position.length);
            maxMessageLength = Math.max(maxMessageLength, diagnostic.message.length);
            const severity = diagnostic.severity === "error" ? "error" : "warning";
            maxSeverityLength = Math.max(maxSeverityLength, severity.length);
            errorLines.push({
                position,
                severity,
                message: diagnostic.message,
                rule: diagnostic.rule,
            });
        }
        for (const errorLine of errorLines) {
            let line = "  ";
            line += colorizer.dim(errorLine.position.padEnd(maxPositionLength));
            line += "  ";
            const colorFunction = errorLine.severity === "error" ? colorizer.red : colorizer.yellow;
            line += colorFunction(errorLine.severity.padEnd(maxSeverityLength));
            line += "  ";
            line += errorLine.message.padEnd(maxMessageLength);
            if (errorLine.rule !== null) {
                line += "  ";
                line += colorizer.dim(`[${errorLine.rule}]`);
            }
            consoleLog(line);
        }
    }
    consoleLog();
    const problemsFragment = diagnostics.length === 1 ? "1 problem" : `${diagnostics.length} problems`;
    const errorFragment = errorCount === 1 ? `${errorCount} error` : `${errorCount} errors`;
    const warningFragment = warningCount === 1 ? `${warningCount} warning` : `${warningCount} warnings`;
    const summary = colorizer.bold(`✖ ${problemsFragment} (${errorFragment}, ${warningFragment})`);
    if (errorCount > 0) {
        consoleLog(colorizer.red(summary));
    }
    else {
        consoleLog(colorizer.yellow(summary));
    }
}
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