apex-code-coverage-transformer/lib/handlers/BaseHandler.js

Transform Salesforce Apex code coverage JSONs into other formats accepted by SonarQube, GitHub, GitLab, Azure, Bitbucket, etc.

'use strict';
/**
 * Abstract base class for coverage handlers providing common utilities.
 * Reduces code duplication across different format handlers.
 */
export class BaseHandler {
    /**
     * Calculate line coverage metrics from a lines record.
     *
     * @param lines - Record of line numbers to hit counts
     * @returns Coverage metrics including totals and rates
     */
    // eslint-disable-next-line class-methods-use-this
    calculateCoverage(lines) {
        const uncoveredLines = Object.values(lines).filter((hits) => hits === 0).length;
        const coveredLines = Object.values(lines).filter((hits) => hits > 0).length;
        const totalLines = uncoveredLines + coveredLines;
        const lineRate = totalLines > 0 ? coveredLines / totalLines : 0;
        return { totalLines, coveredLines, uncoveredLines, lineRate };
    }
    /**
     * Extract line numbers by coverage status.
     *
     * @param lines - Record of line numbers to hit counts
     * @param covered - True to get covered lines, false for uncovered
     * @returns Sorted array of line numbers
     */
    // eslint-disable-next-line class-methods-use-this
    extractLinesByStatus(lines, covered) {
        return Object.entries(lines)
            .filter(([, hits]) => (covered ? hits > 0 : hits === 0))
            .map(([line]) => Number(line))
            .sort((a, b) => a - b);
    }
    /**
     * Get covered and uncovered line numbers from a lines record.
     *
     * @param lines - Record of line numbers to hit counts
     * @returns Object with covered and uncovered line arrays
     */
    getCoveredAndUncovered(lines) {
        return {
            covered: this.extractLinesByStatus(lines, true),
            uncovered: this.extractLinesByStatus(lines, false),
        };
    }
    /**
     * Sort array of objects by their path property.
     * Handles various path property names (@path, @filename, @name).
     *
     * @param items - Array of objects to sort
     * @returns Sorted array
     */
    // eslint-disable-next-line class-methods-use-this
    sortByPath(items) {
        return items.sort((a, b) => {
            const pathA = a['@path'] ?? a['@filename'] ?? a['@name'] ?? '';
            const pathB = b['@path'] ?? b['@filename'] ?? b['@name'] ?? '';
            return pathA.localeCompare(pathB);
        });
    }
}
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