nest-translate/dist/baidu.service.js

基于 nestjs 封装的翻译 API

"use strict";
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};
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    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TranslateBaiduService = void 0;
const common_1 = require("@nestjs/common");
const crypto_1 = require("crypto");
const axios_1 = __importDefault(require("axios"));
const translate_constants_1 = require("./translate.constants");
let TranslateBaiduService = class TranslateBaiduService {
    constructor(options) {
        this.options = options;
        this.server = 'https://fanyi-api.baidu.com';
    }
    request(config) {
        return __awaiter(this, void 0, void 0, function* () {
            config.url = this.server + config.url;
            return yield (0, axios_1.default)(config).then((res) => res.data);
        });
    }
    getSalt() {
        return Date.now().toString();
    }
    getSign(q, salt) {
        const { appid, secret } = this.options;
        const dataString = [appid, q, salt, secret].join('');
        return (0, crypto_1.createHash)('md5').update(dataString).digest('hex');
    }
    getUrl(config) {
        const { q, from = 'auto', to = 'en' } = config;
        const salt = this.getSalt();
        const data = {
            q,
            from,
            to,
            sign: this.getSign(config.q, salt),
            appid: this.options.appid,
            salt
        };
        return `/api/trans/vip/translate?${new URLSearchParams(data).toString()}`;
    }
    translate(config) {
        return __awaiter(this, void 0, void 0, function* () {
            const url = this.getUrl(config);
            return yield this.request({
                method: 'get',
                url
            });
        });
    }
};
TranslateBaiduService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Inject)(translate_constants_1.BAIDU_APP_OPTIONS)),
    __metadata("design:paramtypes", [Object])
], TranslateBaiduService);
exports.TranslateBaiduService = TranslateBaiduService;