mirror of
https://github.com/ether/etherpad-lite.git
synced 2025-04-22 08:26:16 -04:00
113 lines
3.2 KiB
JavaScript
113 lines
3.2 KiB
JavaScript
'use strict';
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/*
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* Copyright (c) 2011 RedHog (Egil Möller) <egil.moller@freecode.no>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* Basic usage:
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*
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* require("./index").require("./path/to/template.ejs")
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*/
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const ejs = require('ejs');
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const fs = require('fs');
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const hooks = require('../../static/js/pluginfw/hooks.js');
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const path = require('path');
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const resolve = require('resolve');
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const settings = require('../utils/Settings');
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const templateCache = new Map();
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exports.info = {
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__output_stack: [],
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block_stack: [],
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file_stack: [],
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args: [],
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};
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const getCurrentFile = () => exports.info.file_stack[exports.info.file_stack.length - 1];
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exports._init = (b, recursive) => {
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exports.info.__output_stack.push(exports.info.__output);
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exports.info.__output = b;
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};
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exports._exit = (b, recursive) => {
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exports.info.__output = exports.info.__output_stack.pop();
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};
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exports.begin_capture = () => {
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exports.info.__output_stack.push(exports.info.__output.concat());
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exports.info.__output.splice(0, exports.info.__output.length);
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};
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exports.end_capture = () => {
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const res = exports.info.__output.join('');
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exports.info.__output.splice(
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0, exports.info.__output.length, ...exports.info.__output_stack.pop());
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return res;
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};
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exports.begin_block = (name) => {
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exports.info.block_stack.push(name);
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exports.begin_capture();
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};
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exports.end_block = () => {
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const name = exports.info.block_stack.pop();
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const renderContext = exports.info.args[exports.info.args.length - 1];
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const args = {content: exports.end_capture(), renderContext};
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hooks.callAll(`eejsBlock_${name}`, args);
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exports.info.__output.push(args.content);
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};
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exports.require = (name, args, mod) => {
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if (args == null) args = {};
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let basedir = __dirname;
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let paths = [];
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if (exports.info.file_stack.length) {
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basedir = path.dirname(getCurrentFile().path);
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}
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if (mod) {
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basedir = path.dirname(mod.filename);
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paths = mod.paths;
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}
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const ejspath = resolve.sync(name, {paths, basedir, extensions: ['.html', '.ejs']});
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args.e = exports;
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args.require = require;
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let template;
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if (settings.maxAge !== 0) { // don't cache if maxAge is 0
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if (!templateCache.has(ejspath)) {
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template = `<% e._init(__output); %>${fs.readFileSync(ejspath).toString()}<% e._exit(); %>`;
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templateCache.set(ejspath, template);
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} else {
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template = templateCache.get(ejspath);
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}
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} else {
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template = `<% e._init(__output); %>${fs.readFileSync(ejspath).toString()}<% e._exit(); %>`;
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}
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exports.info.args.push(args);
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exports.info.file_stack.push({path: ejspath});
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const res = ejs.render(template, args, {cache: settings.maxAge !== 0, filename: ejspath});
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exports.info.file_stack.pop();
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exports.info.args.pop();
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return res;
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};
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