claude-statusline-powerline/dist/segments/context.js

Beautiful powerline-style statusline for Claude Code with git integration, session tracking, and cost monitoring

"use strict";
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        __setModuleDefault(result, mod);
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Object.defineProperty(exports, "__esModule", { value: true });
exports.ContextSegment = void 0;
const fs = __importStar(require("node:fs"));
const path = __importStar(require("node:path"));
const font_profiles_1 = require("../font-profiles");
const token_formatting_1 = require("../utils/token-formatting");
const base_1 = require("./base");
class ContextSegment extends base_1.BaseSegment {
    constructor() {
        super(...arguments);
        this.name = 'context';
    }
    build(data, config) {
        const context_info = this.get_context_info(data);
        if (!context_info)
            return null;
        const style_override = this.getSegmentConfig(config);
        const font_profile = (0, font_profiles_1.get_font_profile)(config.font_profile);
        const brain_icon = (0, font_profiles_1.get_symbol)(font_profile, 'brain', style_override?.icons);
        let display = '';
        if (context_info.session_type === 'cold') {
            display = `${brain_icon} Cold`;
        }
        else {
            const formatted_tokens = (0, token_formatting_1.format_tokens)(context_info.total_cache_tokens);
            display = `${brain_icon} ${formatted_tokens} cached (${context_info.cache_hit_rate}% reused)`;
        }
        const theme = config.current_theme?.segments.context;
        if (!theme) {
            // Fallback if theme is not available
            return this.createSegment(display, '\x1b[46m', // teal bg fallback
            '\x1b[97m', // white fg fallback
            '\x1b[36m', // teal separator fallback
            config.separators.context, style_override);
        }
        return this.createSegment(display, theme.background, theme.foreground, theme.separator_color, config.separators.context, style_override);
    }
    get_context_info(data) {
        if (!data.session_id)
            return null;
        // Direct session file path using session ID - no discovery needed
        const session_file = path.join(process.env.HOME || '', '.claude/projects', data.workspace.current_dir.replace(/\//g, '-'), `${data.session_id}.jsonl`);
        try {
            const content = fs.readFileSync(session_file, 'utf8');
            let total_cache_read = 0;
            let total_cache_creation = 0;
            // Simple parsing - just sum the cache usage
            for (const line of content.trim().split('\n')) {
                try {
                    const entry = JSON.parse(line);
                    const usage = entry.message?.usage;
                    if (usage) {
                        total_cache_read += usage.cache_read_input_tokens || 0;
                        total_cache_creation +=
                            usage.cache_creation_input_tokens || 0;
                    }
                }
                catch {
                    // Skip malformed lines
                }
            }
            const total_cache_tokens = total_cache_read + total_cache_creation;
            if (total_cache_tokens === 0)
                return null;
            const cache_hit_rate = Math.round((total_cache_read / total_cache_tokens) * 100);
            const session_type = total_cache_read > 10000 ? 'warm' : 'cold';
            return {
                cache_hit_rate,
                total_cache_tokens: total_cache_read,
                session_type,
            };
        }
        catch {
            // File doesn't exist or can't be read
            return null;
        }
    }
}
exports.ContextSegment = ContextSegment;
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