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render-ejs.js
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render-ejs.js
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/**
*
* Copyright 2014-2019 David Herron
*
* This file is part of AkashaCMS (http://akashacms.com/).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
const path = require('path');
const HTMLRenderer = require('./HTMLRenderer');
const ejs = require('ejs');
const ejsutils = require('ejs/lib/utils.js');
const getMounted = (dir) => {
if (typeof dir === 'string') return dir;
else return dir.src;
};
// TODO support .php.ejs
module.exports = class EJSRenderer extends HTMLRenderer {
constructor() {
super(".html.ejs", /^(.*\.html|.*\.php)\.(ejs)$/);
}
// This was for an attempt to list the directories to search when
// satisfying an "include" EJS tag. This could have been a way
// to circumvent <partial> tags
getEJSOptions(fspath) {
if (this.ejsOptions) {
let opts = ejsutils.shallowCopy({}, this.ejsOptions);
opts.filename = fspath;
return opts;
}
this.ejsOptions = {
rmWhitespace: true,
filename: fspath
};
// console.log(`getEJSOptions `, this);
if (!this.config) throw new Error(`getEJSOptions no config`);
const layoutsMounted = this.config.layoutDirs
? this.config.layoutDirs.map(getMounted)
: undefined;
const partialsMounted = this.config.partialsDirs
? this.config.partialsDirs.map(getMounted)
: undefined;
const loadFrom = partialsMounted
? partialsMounted.concat(layoutsMounted)
: layoutsMounted;
// console.log(`getEJSOptions loadFrom `, loadFrom);
if (loadFrom) this.ejsOptions.views = loadFrom;
return this.ejsOptions;
}
renderSync(text, metadata, vpinfo) {
let opts = this.getEJSOptions(vpinfo ? vpinfo.fspath : undefined);
// console.log(`render ${text} ${metadata} ${opts}`);
return ejs.render(text, metadata, opts);
}
render(text, metadata, vpinfo) {
/* return Promise.resolve(ejs.render(text, metadata)); */
return new Promise((resolve, reject) => {
try {
let opts = this.getEJSOptions(vpinfo ? vpinfo.fspath : undefined);
// console.log(`render async ${text} ${metadata} ${opts}`);
resolve(ejs.render(text, metadata, opts));
} catch(e) {
var docpath = metadata.document ? metadata.document.path : "unknown";
var errstack = e.stack ? e.stack : e;
reject("Error with EJS in file "+ docpath +" "+ errstack);
}
});
}
/**
* We cannot allow PHP code to run through Mahabhuta.
*/
doMahabhuta(fpath) {
if (/\.php\.ejs$/.test(fpath))
return false;
else
return true;
}
}