Flutter项目执行flutterfire config时遇Firebase CLI JSON解析错误

算力阿峰

2026-6-16

FlutterFire CLI JSON解析错误及Firebase.js弹出问题解决

问题描述

此前可正常使用Flutter及Firebase，切换Firebase CLI配置方式后：

已成功安装Firebase CLI、完成登录，firebase init和firebase projects:list均正常执行
dart pub global activate flutterfire_cli无报错

但在项目根目录执行flutterfire config时，出现JSON解析错误：

Failed to parse JSON response from Firebase CLI. JSON response: FormatException: Unexpected end of input (at character 1)

同时编辑器自动弹出Firebase CLI的firebase.js入口文件（代码如下）：

#!/usr/bin/env node
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const semver = require("semver");
const pkg = require("../../package.json");
const nodeVersion = process.version;
if (!semver.satisfies(nodeVersion, pkg.engines.node)) {
    console.error(`Firebase CLI v${pkg.version} is incompatible with Node.js ${nodeVersion} Please upgrade Node.js to version ${pkg.engines.node}`);
    process.exit(1);
}
const updateNotifierPkg = require("update-notifier-cjs");
const clc = require("colorette");
const marked_terminal_1 = require("marked-terminal");
const updateNotifier = updateNotifierPkg({ pkg });
const marked_1 = require("marked");
marked_1.marked.use((0, marked_terminal_1.markedTerminal)());
const node_path_1 = require("node:path");
const triple_beam_1 = require("triple-beam");
const node_util_1 = require("node:util");
const fs = require("node:fs");
const configstore_1 = require("../configstore");
const errorOut_1 = require("../errorOut");
const handlePreviewToggles_1 = require("../handlePreviewToggles");
const logger_1 = require("../logger");
const client = require("..");
const fsutils = require("../fsutils");
const utils = require("../utils");
const winston = require("winston");
let args = process.argv.slice(2);
let cmd;
function findAvailableLogFile() {
    const candidates = ["firebase-debug.log"];
    for (let i = 1; i < 10; i++) {
        candidates.push(`firebase-debug.${i}.log`);
    }
    for (const c of candidates) {
        const logFilename = (0, node_path_1.join)(process.cwd(), c);
        try {
            const fd = fs.openSync(logFilename, "r+");
            fs.closeSync(fd);
            return logFilename;
        }
        catch (e) {
            if (e.code === "ENOENT") {
                return logFilename;
            }
        }
    }
    throw new Error("Unable to obtain permissions for firebase-debug.log");
}
const logFilename = findAvailableLogFile();
if (!process.env.DEBUG && args.includes("--debug")) {
    process.env.DEBUG = "true";
}
process.env.IS_FIREBASE_CLI = "true";
logger_1.logger.add(new winston.transports.File({
    level: "debug",
    filename: logFilename,
    format: winston.format.printf((info) => {
        const segments = [info.message, ...(info[triple_beam_1.SPLAT] || [])].map(utils.tryStringify);
        return `[${info.level}] ${(0, node_util_1.stripVTControlCharacters)(segments.join(" "))}`;
    }),
}));
logger_1.logger.debug("-".repeat(70));
logger_1.logger.debug("Command:      ", process.argv.join(" "));
logger_1.logger.debug("CLI Version:  ", pkg.version);
logger_1.logger.debug("Platform:     ", process.platform);
logger_1.logger.debug("Node Version: ", process.version);
logger_1.logger.debug("Time:         ", new Date().toString());
if (utils.envOverrides.length) {
    logger_1.logger.debug("Env Overrides:", utils.envOverrides.join(", "));
}
logger_1.logger.debug("-".repeat(70));
logger_1.logger.debug();
const experiments_1 = require("../experiments");
const fetchMOTD_1 = require("../fetchMOTD");
(0, experiments_1.enableExperimentsFromCliEnvVariable)();
(0, fetchMOTD_1.fetchMOTD)();
process.on("exit", (code) => {
    code = process.exitCode || code;
    if (!process.env.DEBUG && code < 2 && fsutils.fileExistsSync(logFilename)) {
        fs.unlinkSync(logFilename);
    }
    if (code > 0 && process.stdout.isTTY) {
        const lastError = configstore_1.configstore.get("lastError") || 0;
        const timestamp = Date.now();
        if (lastError > timestamp - 120000) {
            let help;
            if (code === 1 && cmd) {
                help = "Having trouble? Try " + clc.bold("firebase [command] --help");
            }
            else {
                help = "Having trouble? Try again or contact support with contents of firebase-debug.log";
            }
            if (cmd) {
                console.log();
                console.log(help);
            }
        }
        configstore_1.configstore.set("lastError", timestamp);
    }
    else {
        configstore_1.configstore.delete("lastError");
    }
    try {
        const installMethod = !process.env.FIREPIT_VERSION ? "npm" : "automatic script";
        const updateCommand = !process.env.FIREPIT_VERSION
            ? "npm install -g firebase-tools"
            : "curl -sL https://firebase.tools | upgrade=true bash";
        const updateMessage = `Update available ${clc.gray("{currentVersion}")} → ${clc.green("{latestVersion}")}\n` +
            `To update to the latest version using ${installMethod}, run\n${clc.cyan(updateCommand)}\n` +
            `For other CLI management options, visit the ${(0, marked_1.marked)("[CLI documentation](https://firebase.google.com/docs/cli#update-cli)")}`;
        updateNotifier.notify({ defer: false, isGlobal: true, message: updateMessage });
    }
    catch (err) {
        logger_1.logger.debug("Error when notifying about new CLI updates:");
        if (err instanceof Error) {
            logger_1.logger.debug(err);
        }
        else {
            logger_1.logger.debug(`${err}`);
        }
    }
});
process.on("uncaughtException", (err) => {
    (0, errorOut_1.errorOut)(err);
});
if (!(0, handlePreviewToggles_1.handlePreviewToggles)(args)) {
    cmd = client.cli.parse(process.argv);
    args = args.filter((arg) => !arg.includes("-"));
    if (!args.length) {
        client.cli.help();
    }
}

已尝试新建项目、更换Firebase账号及网络上常见解决方案，均无进展。

解决方案

1. 匹配Node.js与Firebase CLI版本

从firebase.js代码可见，Firebase CLI对Node.js版本有强制要求，版本不匹配会直接终止执行，导致FlutterFire CLI无法获取有效JSON响应：

执行firebase --version查看当前CLI版本
执行npm view firebase-tools@<你的CLI版本> engines.node查询对应Node.js版本要求
使用Node版本管理器（如nvm）切换到匹配的Node.js版本

2. 完全重置CLI环境

残留的缓存或旧版本冲突可能导致异常，执行以下步骤彻底重置：

卸载FlutterFire CLI：

dart pub global deactivate flutterfire_cli

卸载Firebase CLI：
```
npm uninstall -g firebase-tools
```

清理缓存：

npm cache clean --force
dart pub cache clean

重新安装最新稳定版：

npm install -g firebase-tools
dart pub global activate flutterfire_cli

重新登录Firebase账号：
```
firebase login
```

3. 指定Firebase CLI路径

系统中存在多个Firebase CLI实例时，FlutterFire可能调用到错误的版本：

Linux/macOS执行which firebase，Windows执行where firebase获取正确CLI路径

执行flutterfire config时指定路径：

flutterfire config --firebase-cli-path="/path/to/firebase"

4. 禁用干扰性CLI特性

更新提示或实验特性可能破坏输出格式，导致JSON解析失败：

执行命令时禁用更新提示：

flutterfire config --no-update-notifier

禁用所有实验特性：
```
firebase experiments:disable all
```

5. 手动生成配置文件

如果以上方法均无效，可跳过CLI工具，手动创建firebase_options.dart：

从Firebase控制台下载对应平台的配置文件（Android为google-services.json，iOS为GoogleService-Info.plist）
参考官方配置格式，手动编写firebase_options.dart文件，填入项目的API密钥、项目ID等核心信息

内容的提问来源于stack exchange，提问作者aly ashry

Flutter项目执行flutterfire config时遇Firebase CLI JSON解析错误

问题描述 #

解决方案 #

1. 匹配Node.js与Firebase CLI版本 #

2. 完全重置CLI环境 #

3. 指定Firebase CLI路径 #

4. 禁用干扰性CLI特性 #

5. 手动生成配置文件 #