import fs from 'fs';
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import path from 'path';
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import dotenv from 'dotenv';
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export function isDevFn(mode: string): boolean {
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return mode === 'development';
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}
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export function isProdFn(mode: string): boolean {
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return mode === 'production';
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}
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/**
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* Whether to generate package preview
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*/
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export function isReportMode(): boolean {
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return process.env.REPORT === 'true';
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}
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// Read all environment variable configuration files to process.env
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export function wrapperEnv(envConf: Recordable): ViteEnv {
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const ret: any = {};
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for (const envName of Object.keys(envConf)) {
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let realName = envConf[envName].replace(/\\n/g, '\n');
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realName = realName === 'true' ? true : realName === 'false' ? false : realName;
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if (envName === 'VITE_PORT') {
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realName = Number(realName);
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}
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if (envName === 'VITE_PROXY') {
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try {
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realName = JSON.parse(realName);
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} catch (error) {}
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}
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ret[envName] = realName;
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if (typeof realName === 'string') {
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process.env[envName] = realName;
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} else if (typeof realName === 'object') {
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process.env[envName] = JSON.stringify(realName);
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}
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}
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return ret;
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}
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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;
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const reg = new RegExp('--mode ([a-z]+)');
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const result = reg.exec(script as string) as any;
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if (result) {
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const mode = result[1] as string;
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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 function getEnvConfig(match = 'VITE_GLOB_', confFiles = getConfFiles()) {
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let envConfig = {};
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confFiles.forEach((item) => {
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try {
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const env = dotenv.parse(fs.readFileSync(path.resolve(process.cwd(), item)));
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envConfig = { ...envConfig, ...env };
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} catch (e) {
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console.error(`Error in parsing ${item}`, e);
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}
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});
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const reg = new RegExp(`^(${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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/**
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* Get user root directory
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* @param dir file path
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*/
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export function getRootPath(...dir: string[]) {
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return path.resolve(process.cwd(), ...dir);
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}
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