strong-error-handler/lib/send-html.js

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2016-05-27 15:04:20 +00:00
// Copyright IBM Corp. 2016. All Rights Reserved.
// Node module: strong-error-handler
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
var ejs = require('ejs');
var fs = require('fs');
var path = require('path');
var assetDir = path.resolve(__dirname, '../views');
var compiledTemplates = {
// loading default template and stylesheet
default: loadDefaultTemplates(),
};
module.exports = sendHtml;
function sendHtml(res, data, options) {
var toRender = {options: {}, data: data};
// TODO: ability to call non-default template functions from options
var body = compiledTemplates.default(toRender);
sendReponse(res, body);
}
/**
* Compile and cache the file with the `filename` key in options
*
* @param filepath (description)
* @returns {Function} render function with signature fn(data);
*/
function compileTemplate(filepath) {
var options = {cache: true, filename: filepath};
fileContent = fs.readFileSync(filepath, 'utf8');
return ejs.compile(fileContent, options);
}
// loads and cache default error templates
function loadDefaultTemplates() {
var defaultTemplate = path.resolve(assetDir, 'default-error.ejs');
return compileTemplate(defaultTemplate);
}
function sendReponse(res, body) {
res.setHeader('Content-Type', 'text/html; charset=utf-8');
res.end(body);
}