Function diffCommand

devctx/src/commands/diff.ts:15–118

()

}

export async function diffCommand() {
    if (!(await isInitialized())) {
        console.log(chalk.red("✗ DevContext not initialized. Run `devctx init` first."));
        return;
    }

    try {
        const branch = await getCurrentBranch();
        const entries = await loadBranchContext(branch);

        if (entries.length === 0) {
            console.log(chalk.yellow(`⚠ No context found for branch: ${branch}`));
            console.log(chalk.gray("  Run `devctx save` to capture context first."));
            return;
        }

        const latest = entries[entries.length - 1];
        const [currentChanged, currentStaged] = await Promise.all([
            getChangedFiles(),
            getStagedFiles(),
        ]);

        const lastSaveTime = getTimeAgo(latest.timestamp);

        console.log(chalk.bold(`\nSince last save (${lastSaveTime}):\n`));

        // --- Files ---
        const previousFiles = new Set(latest.filesChanged);
        const currentFiles = new Set([...currentChanged, ...currentStaged]);

        const newFiles = [...currentFiles].filter((f) => !previousFiles.has(f));
        const removedFiles = [...previousFiles].filter((f) => !currentFiles.has(f));
        const stillChanged = [...currentFiles].filter((f) => previousFiles.has(f));

        if (newFiles.length > 0) {
            newFiles.forEach((f) => console.log(`  ${chalk.green("+")} ${f} ${chalk.green("(new)")}`));
        }
        if (stillChanged.length > 0) {
            stillChanged.forEach((f) => console.log(`  ${chalk.yellow("~")} ${f} ${chalk.gray("(still modified)")}`));
        }
        if (removedFiles.length > 0) {
            removedFiles.forEach((f) => console.log(`  ${chalk.red("-")} ${f} ${chalk.gray("(resolved)")}`));
        }
        if (newFiles.length === 0 && removedFiles.length === 0 && stillChanged.length === 0) {
            console.log(chalk.gray("  No file changes since last save."));
        }

        // --- Decisions ---
        if (entries.length >= 2) {
            const previous = entries[entries.length - 2];
            const prevDecisions = new Set(previous.decisions);
            const newDecisions = latest.decisions.filter((d) => !prevDecisions.has(d));
            if (newDecisions.length > 0) {
                console.log();
                newDecisions.forEach((d) =>
                    console.log(`  ${chalk.cyan("Decision added:")} "${d}"`)
                );
            }