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223 lines (200 loc) · 5.98 KB
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const simpleGit = require('simple-git');
const path = require('path');
class GitAnalyzer {
constructor(repoPath = process.cwd()) {
this.git = simpleGit(repoPath);
this.repoPath = repoPath;
}
/**
* 获取暂存区的变更内容
*/
async getStagedDiff() {
try {
const diff = await this.git.diff(['--staged']);
return diff;
} catch (error) {
throw new Error(`获取暂存区差异失败: ${error.message}`);
}
}
/**
* 获取工作区的变更内容
*/
async getWorkingDiff() {
try {
const diff = await this.git.diff();
return diff;
} catch (error) {
throw new Error(`获取工作区差异失败: ${error.message}`);
}
}
/**
* 获取变更的文件列表
*/
async getChangedFiles() {
try {
const status = await this.git.status();
return {
staged: status.staged,
modified: status.modified,
created: status.created,
deleted: status.deleted,
renamed: status.renamed
};
} catch (error) {
throw new Error(`获取文件状态失败: ${error.message}`);
}
}
/**
* 获取最近的提交历史
*/
async getRecentCommits(count = 5) {
try {
const log = await this.git.log(['--oneline', `-${count}`]);
return log.all.map(commit => ({
hash: commit.hash,
message: commit.message,
date: commit.date
}));
} catch (error) {
throw new Error(`获取提交历史失败: ${error.message}`);
}
}
/**
* 分析变更类型
*/
async analyzeChanges() {
const changes = await this.getChangedFiles();
const diff = await this.getStagedDiff() || await this.getWorkingDiff();
let analysis = {
type: 'chore',
scope: '',
files: [],
stats: {
additions: 0,
deletions: 0,
filesChanged: 0
}
};
// 统计文件变更
const allChangedFiles = [
...changes.staged,
...changes.modified,
...changes.created,
...changes.deleted
];
analysis.files = [...new Set(allChangedFiles)];
analysis.stats.filesChanged = analysis.files.length;
// 从diff中提取统计信息
if (diff) {
const lines = diff.split('\n');
analysis.stats.additions = lines.filter(line => line.startsWith('+')).length;
analysis.stats.deletions = lines.filter(line => line.startsWith('-')).length;
}
// 分析变更类型
if (changes.created.length > 0) {
analysis.type = 'feat';
} else if (changes.deleted.length > 0) {
analysis.type = 'feat';
} else if (analysis.files.some(file => file.includes('test'))) {
analysis.type = 'test';
} else if (analysis.files.some(file => file.includes('doc') || file.includes('README'))) {
analysis.type = 'docs';
} else if (analysis.files.some(file => file.includes('config') || file.includes('package.json'))) {
analysis.type = 'chore';
} else {
analysis.type = 'feat';
}
// 确定作用域
const commonPaths = analysis.files.map(file => {
const parts = file.split('/');
return parts.length > 1 ? parts[0] : '';
});
const scopeCounts = {};
commonPaths.forEach(scope => {
if (scope) {
scopeCounts[scope] = (scopeCounts[scope] || 0) + 1;
}
});
if (Object.keys(scopeCounts).length > 0) {
analysis.scope = Object.keys(scopeCounts).reduce((a, b) =>
scopeCounts[a] > scopeCounts[b] ? a : b
);
}
return analysis;
}
/**
* 检查是否在Git仓库中
*/
async isGitRepo() {
try {
await this.git.status();
return true;
} catch (error) {
return false;
}
}
/**
* 获取当前分支名
*/
async getCurrentBranch() {
try {
const status = await this.git.status();
return status.current;
} catch (error) {
return 'unknown';
}
}
/**
* 检查是否有变更
*/
async hasChanges() {
try {
const status = await this.git.status();
return status.files.length > 0;
} catch (error) {
return false;
}
}
/**
* 获取diff内容（优先暂存区，否则工作区）
*/
async getDiff() {
try {
const stagedDiff = await this.getStagedDiff();
if (stagedDiff && stagedDiff.trim()) {
return stagedDiff;
}
return await this.getWorkingDiff();
} catch (error) {
throw new Error(`获取diff失败: ${error.message}`);
}
}
/**
* 获取Git状态
*/
async getStatus() {
try {
return await this.git.status();
} catch (error) {
throw new Error(`获取Git状态失败: ${error.message}`);
}
}
/**
* 提交变更
*/
async commitChanges(message) {
try {
// 检查是否有暂存的文件
const status = await this.git.status();
if (status.staged.length === 0 && status.files.length > 0) {
// 如果没有暂存文件但有变更，先暂存所有文件
await this.git.add('.');
}
await this.git.commit(message);
return true;
} catch (error) {
throw new Error(`提交失败: ${error.message}`);
}
}
}
module.exports = GitAnalyzer;