import { join } from 'node:path';
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import dotenv from 'dotenv';
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import { readFile } from 'fs-extra';
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/**
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* 获取当前环境下生效的配置文件名
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*/
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function getConfFiles() {
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const script = process.env.npm_lifecycle_script as string;
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const reg = new RegExp('--mode ([a-z_\\d]+)');
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const result = reg.exec(script);
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if (result) {
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const mode = result[1];
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return ['.env', `.env.${mode}`];
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}
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return ['.env', '.env.production'];
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}
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/**
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* Get the environment variables starting with the specified prefix
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* @param match prefix
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* @param confFiles ext
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*/
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export async function getEnvConfig(
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match = 'VITE_GLOB_',
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confFiles = getConfFiles(),
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): Promise<{
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[key: string]: string;
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}> {
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let envConfig = {};
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for (const confFile of confFiles) {
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try {
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const envPath = await readFile(join(process.cwd(), confFile), { encoding: 'utf8' });
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const env = dotenv.parse(envPath);
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envConfig = { ...envConfig, ...env };
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} catch (e) {
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console.error(`Error in parsing ${confFile}`, e);
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}
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}
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const reg = new RegExp(`^(${match})`);
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Object.keys(envConfig).forEach((key) => {
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if (!reg.test(key)) {
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Reflect.deleteProperty(envConfig, key);
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}
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});
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return envConfig;
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}
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