template-syncer/lib/utils/merger.js

智能模板同步工具 - 让你的项目与模板仓库保持同步，支持智能合并、差异对比和交互式更新

"use strict";
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      desc = { enumerable: true, get: function() { return m[k]; } };
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    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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        };
        return ownKeys(o);
    };
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        if (mod && mod.__esModule) return mod;
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.Merger = void 0;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const platform_1 = require("./platform");
class Merger {
    constructor(customStrategies = {}) {
        this.strategies = {
            'package.json': 'smart',
            'tsconfig.json': 'smart',
            'jsconfig.json': 'smart',
            ...customStrategies
        };
    }
    getStrategy(filePath) {
        const fileName = path.basename(filePath);
        return this.strategies[fileName] ?? this.strategies[filePath] ?? 'overwrite';
    }
    async merge(templatePath, currentPath, targetPath) {
        const strategy = this.getStrategy(targetPath);
        const fileName = path.basename(targetPath);
        if (strategy === 'skip')
            return { success: false, message: '已跳过' };
        if (strategy === 'smart')
            return this.smartMerge(templatePath, currentPath, targetPath, fileName);
        // overwrite
        platform_1.platform.copyFile(templatePath, targetPath);
        return { success: true, message: '已覆盖' };
    }
    async smartMerge(templatePath, currentPath, targetPath, fileName) {
        const exists = await fs.promises.access(currentPath).then(() => true).catch(() => false);
        if (!exists) {
            platform_1.platform.copyFile(templatePath, targetPath);
            return { success: true, message: '已创建' };
        }
        if (fileName === 'package.json')
            return this.mergePackageJson(templatePath, currentPath, targetPath);
        if (fileName.endsWith('.json'))
            return this.mergeJson(templatePath, currentPath, targetPath);
        platform_1.platform.copyFile(templatePath, targetPath);
        return { success: true, message: '已覆盖' };
    }
    async mergePackageJson(templatePath, currentPath, targetPath) {
        try {
            const [template, current] = await Promise.all([
                platform_1.platform.readJsonAsync(templatePath),
                platform_1.platform.readJsonAsync(currentPath)
            ]);
            if (!template || !current) {
                platform_1.platform.copyFile(templatePath, targetPath);
                return { success: true, message: '已覆盖 (无法解析)' };
            }
            const merged = {
                name: current.name ?? template.name,
                version: current.version ?? template.version,
                description: current.description ?? template.description,
                author: current.author ?? template.author,
                license: current.license ?? template.license,
                repository: current.repository ?? template.repository,
                homepage: current.homepage ?? template.homepage,
                bugs: current.bugs ?? template.bugs,
                keywords: current.keywords ?? template.keywords,
                type: template.type ?? current.type,
                main: template.main ?? current.main,
                module: template.module ?? current.module,
                types: template.types ?? current.types,
                exports: template.exports ?? current.exports,
                bin: template.bin ?? current.bin,
                files: template.files ?? current.files,
                engines: template.engines ?? current.engines,
                scripts: { ...(current.scripts ?? {}), ...(template.scripts ?? {}) },
                dependencies: { ...(current.dependencies ?? {}), ...(template.dependencies ?? {}) },
                devDependencies: { ...(current.devDependencies ?? {}), ...(template.devDependencies ?? {}) },
                peerDependencies: { ...(current.peerDependencies ?? {}), ...(template.peerDependencies ?? {}) },
                optionalDependencies: { ...(current.optionalDependencies ?? {}), ...(template.optionalDependencies ?? {}) }
            };
            for (const key of Object.keys(template)) {
                if (!(key in merged))
                    merged[key] = template[key];
            }
            // 清理空对象
            for (const key of Object.keys(merged)) {
                const v = merged[key];
                if (v && typeof v === 'object' && !Array.isArray(v) && Object.keys(v).length === 0) {
                    delete merged[key];
                }
            }
            platform_1.platform.writeJson(targetPath, merged);
            return { success: true, message: '已智能合并' };
        }
        catch {
            platform_1.platform.copyFile(templatePath, targetPath);
            return { success: true, message: '已覆盖 (合并失败)' };
        }
    }
    async mergeJson(templatePath, currentPath, targetPath) {
        try {
            const [template, current] = await Promise.all([
                platform_1.platform.readJsonAsync(templatePath),
                platform_1.platform.readJsonAsync(currentPath)
            ]);
            if (!template || !current) {
                platform_1.platform.copyFile(templatePath, targetPath);
                return { success: true, message: '已覆盖' };
            }
            platform_1.platform.writeJson(targetPath, this.deepMerge(current, template));
            return { success: true, message: '已合并' };
        }
        catch {
            platform_1.platform.copyFile(templatePath, targetPath);
            return { success: true, message: '已覆盖' };
        }
    }
    deepMerge(target, source) {
        const result = { ...target };
        for (const key of Object.keys(source)) {
            const s = source[key], t = target[key];
            if (s && typeof s === 'object' && !Array.isArray(s) && t && typeof t === 'object' && !Array.isArray(t)) {
                result[key] = this.deepMerge(t, s);
            }
            else {
                result[key] = s;
            }
        }
        return result;
    }
    setStrategy(pattern, strategy) {
        this.strategies[pattern] = strategy;
    }
}
exports.Merger = Merger;