Et-improve

An javascript template engine designed to make complex render easy and precise while user friendly.

There's also a webpack loader ei-loader to help load compiled function directly.

For vim user:

autocmd BufNewFile,BufRead *.et set filetype=html

could be add to .vimrc for html syntax and plugin support of files with et suffix.

Features

• Easy to debug, friendly error is thown on compile when possible.
• Works on both client and server side.
• No eval and with, strict mode friendly.
• Simple javascript code transition, no need to learn much.
• Support filters object (with arguments and/or chained), see test
• Render precisely, every white space charactor is keeped unless line only contains controll script.

Api

.compile(template, [option])

Compile template string to function with optional option.

• option.debug enable debug mode when true

The compiled function have syntax as function (data, [filters], [escape]),

• deta is a required javascript plain object
• filters is optional object with key as filter name and value as filter function
• escape optional escape function which overwrite default escape function for html output.

template should not contain include syntax

.compileFile(file, [option])

Compile a file with optional option.

This API only exist on node environment.

• option.debug enable debug mode when true

Template syntax

You could only use _ to access base object.

• {{= _.data}} => str += escape(_.data)
• {{! _.data}} => str += _.data
• {{each _.items as item, i}} => _.items.forEach(function(item, i)
• {{if _.age > 20}} => if (_.age > 20) {
• {{elif _.age < 50}} => } else if (_.age < 50){
• {{else}} => else {
• {{/}} => '}'

Make sure to use {{/}} to close brackets

Example template

{{include ./head.et}}
{{each _.users as user, i}}
  {{if user.valid}}
    <div>{{= user.image}}</div>
    <div>{{= user.age}}</div>
    <div>{{= user.name}}</div>
    {{if user.hobbies && user.hobbies.length}}
      <div class="hobby">
        {{each user.hobbies as hobby}}
          <span>{{= hobby}}</span>
        {{/}}
      </div>
    {{/}}
  {{else}}
    <div>invalid user</div>
  {{/}}
{{/}}
{{include ./foot.et}}

License

Copyright 2016 [email protected]

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.