94 lines
2.8 KiB
JavaScript
94 lines
2.8 KiB
JavaScript
"use strict";
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import { NightInkFile } from 'nightink';
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/**
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* Helper methods for quickly sending responses to clients.
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* @param {http.ServerResponse} response The response object to use when sending requests.
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*/
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class Sender {
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constructor(response) {
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this.response = response;
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}
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/**
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* Sends a HTML response, rendering a NightInk template.
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* Don't forget to await this!
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* @param {number} status_code The status code to return.
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* @param {string} template_filename The path to the filename containing the template to render.
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* @param {Object} data The data to use whilst rendering the template.
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* @return {Promise}
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*/
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async html(status_code, template_filename, data) {
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let response_html = await NightInkFile(template_filename, data);
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this.response.writeHead(status_code, {
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"content-type": "text/html",
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"content-length": Buffer.byteLength(response_html, "utf8"),
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});
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this.response.end(response_html);
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}
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/**
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* Sends a given string as a HTML response
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* @param {number} status_code The status code to return.
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* @param {string} html_string The string of HTML to send.
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* @return {void}
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*/
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html_string(status_code, html_string) {
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this.string(status_code, "text/html", html_string);
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}
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/**
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* Sends a given thing of any type as a JSON response.
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* @param {number} status_code The status code to return.
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* @param {any} obj The thing to send - will be converted to JSON.
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* @return {void}
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*/
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json(status_code, obj) {
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this.string(status_code, "application/json", obj);
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}
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/**
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* Sends a given string with a given content-type.
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* @param {number} status_code The status code to return.
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* @param {number} type The content-type header value to send. This should be a MIME type, such as "text/html".
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* @param {string} str The string to send.
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* @return {void}
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*/
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string(status_code, type, str) {
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this.response.writeHead(status_code, {
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"content-type": type,
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"content-length": Buffer.byteLength(str, "utf8")
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});
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this.response.end(str);
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}
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/**
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* Sends a plain text response.
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* @param {number} status_code The HTTP status code to return.
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* @param {string} data The data to send.
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*/
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plain(status_code, data) {
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this.response.writeHead(status_code, {
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"content-type": "text/plain",
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"content-length": Buffer.byteLength(data, "utf8"),
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});
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this.response.end(data);
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}
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/**
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* Sends a redirect.
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* @param {number} status_code The HTTP status code to send.
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* @param {string} new_path The (possibly relative) uri to redirect the client to.
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* @param {string} message The informational plain-text message to return, just in case.
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*/
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redirect(status_code, new_path, message) {
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this.response.writeHead(status_code, {
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"location": new_path,
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"content-type": "text/plain",
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"content-length": message.length
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});
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this.response.end(message);
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}
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}
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export default Sender;
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