@darlean/webservice/lib/wrapper.js

Webservice library for Darlean

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Response = exports.Request = void 0;
class Request {
    constructor(request) {
        this.request = request;
    }
    getHeader(header) {
        return this.request.headers?.[header.toLowerCase()];
    }
    getRawBody() {
        return this.request.body;
    }
    getTextBody() {
        return this.request.body?.toString('utf-8');
    }
    response() {
        return new Response(this.request);
    }
}
exports.Request = Request;
class Response {
    constructor(request) {
        this.headersSent = false;
        this.request = request;
        this.response = {
            statusCode: 200,
            statusMessage: 'OK',
            headers: {}
        };
        this.bodyParts = [];
    }
    async endWithStatusCode(statusCode, statusMessage) {
        if (this.headersSent) {
            throw new Error('Headers are already sent');
        }
        this.response.statusCode = statusCode;
        this.response.statusMessage = statusMessage;
        return await this.end();
    }
    setStatusCode(statusCode, statusMessage) {
        if (this.headersSent) {
            throw new Error('Headers are already sent');
        }
        this.response.statusCode = statusCode;
        this.response.statusMessage = statusMessage;
    }
    setHeader(header, value) {
        if (this.headersSent) {
            throw new Error('Headers are already sent');
        }
        if (this.response.headers) {
            this.response.headers[header] = value;
        }
    }
    setCookie(value) {
        if (this.headersSent) {
            throw new Error('Headers are already sent');
        }
        if (!this.response.cookies) {
            this.response.cookies = [];
        }
        if (this.response.cookies) {
            this.response.cookies.push(value);
        }
    }
    async push(buffer) {
        this.headersSent = true;
        // A future implementation may start pushing body parts directly to the
        // webserver when the body size is larger than a certain threshold
        this.bodyParts.push(buffer);
    }
    async pushText(contentType, value) {
        if (this.response.headers?.['content-type'] !== value) {
            this.setHeader('content-type', contentType);
        }
        await this.push(Buffer.from(value, 'utf-8'));
    }
    async end() {
        this.response.body = Buffer.concat(this.bodyParts);
        return this.response;
    }
}
exports.Response = Response;