@ui5/linter/lib/formatter/text.js

A static code analysis tool for UI5

import chalk from "chalk";
import path from "node:path";
import { LintMessageSeverity } from "../linter/messages.js";
const detailsHeader = chalk.white.bold("Details:");
function formatSeverity(severity) {
    if (severity === LintMessageSeverity.Error) {
        return chalk.red("error");
    }
    else if (severity === LintMessageSeverity.Warning) {
        return chalk.yellow("warning");
    }
    else {
        throw new Error(`Unknown severity: ${LintMessageSeverity[severity]}`);
    }
}
function formatLocation(line, column, lineInfoLength, columnInfoLength) {
    const lineStr = (line === undefined ? "0" : line.toString()).padStart(lineInfoLength, " ");
    const columnStr = (column === undefined ? "0" : column.toString()).padEnd(columnInfoLength, " ");
    return chalk.dim(`${lineStr}:${columnStr}`);
}
function formatMessageDetails(msg, showDetails) {
    if (!showDetails || !msg.messageDetails) {
        return "";
    }
    // Ensure that details are not containing line breaks as every message should be just a single line.
    // In addition, some integrations understand two whitespace chars (e.g. two spaces) as a separator
    // for a message code (e.g. $eslint-stylish problems matcher in VS Code).
    // Therefore, two or more whitespace chars are reduced to a single space.
    return `. ${detailsHeader} ${chalk.italic(msg.messageDetails.replace(/\s\s+|\n/g, " "))}`;
}
function formatRule(ruleId) {
    return chalk.dim(`  ${ruleId}`);
}
export class Text {
    cwd;
    #buffer = "";
    constructor(cwd) {
        this.cwd = cwd;
    }
    format(lintResults, showDetails, autofix, quiet = false) {
        this.#writeln(`UI5 linter report:`);
        this.#writeln("");
        let totalErrorCount = 0;
        let totalWarningCount = 0;
        let totalFatalErrorCount = 0;
        lintResults.forEach(({ filePath, messages, errorCount, warningCount, fatalErrorCount }) => {
            if (!errorCount && !warningCount) {
                return;
            }
            totalErrorCount += errorCount;
            totalWarningCount += warningCount;
            totalFatalErrorCount += fatalErrorCount;
            this.#writeln(chalk.inverse(path.resolve(this.cwd, filePath)));
            // Determine maximum line and column for position formatting
            let maxLine = 0;
            let maxColumn = 0;
            messages.forEach((msg) => {
                if (msg.line && msg.line > maxLine) {
                    maxLine = msg.line;
                }
                if (msg.column && msg.column > maxColumn) {
                    maxColumn = msg.column;
                }
            });
            const lineInfoLength = maxLine.toString().length;
            const columnInfoLength = maxColumn.toString().length;
            // Sort by line, then by column. Use 0 if not set.
            messages.sort((a, b) => (a.line ?? 0) - (b.line ?? 0) || (a.column ?? 0) - (b.column ?? 0));
            messages.forEach((msg) => {
                const formattedLocation = formatLocation(msg.line, msg.column, lineInfoLength, columnInfoLength);
                this.#writeln(`  ${formattedLocation} ` +
                    `${formatSeverity(msg.severity)} ` +
                    `${msg.fatal ? "Fatal error: " : ""}` +
                    `${msg.message}` +
                    `${formatMessageDetails(msg, showDetails)}` +
                    `${formatRule(msg.ruleId)}`);
            });
            this.#writeln("");
        });
        let summaryColor = chalk.green;
        if (totalErrorCount > 0) {
            summaryColor = chalk.red;
        }
        else if (totalWarningCount > 0) {
            summaryColor = chalk.yellow;
        }
        const errorsText = `${totalErrorCount} ${totalErrorCount === 1 ? "error" : "errors"}`;
        let warningsText = "";
        if (!quiet) {
            warningsText = `, ${totalWarningCount} ${totalWarningCount === 1 ? "warning" : "warnings"}`;
        }
        const totalCount = quiet ? totalErrorCount : totalErrorCount + totalWarningCount;
        const problemsText = `${totalCount} ${totalCount === 1 ? "problem" : "problems"}`;
        this.#writeln(summaryColor(`${problemsText} (${errorsText}${warningsText})`));
        if (!autofix && (totalErrorCount + totalWarningCount > 0)) {
            this.#writeln("   Run \"ui5lint --fix\" to resolve all auto-fixable problems\n");
        }
        if (totalFatalErrorCount) {
            const fatalErrorsText = `${totalFatalErrorCount === 1 ? "error" : "errors"}`;
            this.#writeln(summaryColor(`${totalFatalErrorCount} fatal ${fatalErrorsText}`));
        }
        if (!showDetails && (totalErrorCount + totalWarningCount + totalFatalErrorCount) > 0) {
            this.#writeln("");
            this.#writeln(chalk.dim.bold("Note: ") +
                chalk.dim(`Use "ui5lint --details" to show more information about the findings`));
        }
        return this.#buffer;
    }
    // eslint-disable-next-line no-unused-private-class-members
    #write(str) {
        this.#buffer += str;
    }
    #writeln(str) {
        this.#buffer += str + "\n";
    }
}
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