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69 lines
2.2 KiB
Markdown
69 lines
2.2 KiB
Markdown
# pug-runtime
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The runtime components for the pug templating language
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[](https://travis-ci.org/pugjs/pug-runtime)
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[](https://david-dm.org/pugjs/pug?path=packages/pug-runtime)
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[](https://david-dm.org/pugjs/pug?path=packages/pug-runtime&type=dev)
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[](https://www.npmjs.org/package/pug-runtime)
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## Installation
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npm install pug-runtime
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## Usage
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You can call runtime methods directly using `runtime.method`. This is particularly useful when compiling to deal with things that are already known at compile time.
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```js
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var runtime = require('pug-runtime');
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assert(runtime.attr('foo', 'bar', true, true) === ' foo="bar"');
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```
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You can also build a string with a given list of functions available as `pug_method` by calling `build(arrayOfMethods)`. This is useful for inlining runtime functions within the compiled templates.
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```js
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var build = require('pug-runtime/build');
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var src = build(['attr']);
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var attr = Function('', src + ';return pug_attr;')();
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assert(attr('foo', 'bar', true, true) === ' foo="bar"');
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```
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When testing code compiled for the browser in Node.js, it is necessary to make the runtime available. To do so, one can use `require('pug-runtime/wrap')`:
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```js
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var pug = require('pug');
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var wrap = require('pug-runtime/wrap');
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var pugSrc = 'p= content';
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// By default compileClient automatically embeds the needed runtime functions,
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// rendering this module useless.
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var compiledCode = pug.compileClient(pugSrc, {
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externalRuntime: true
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});
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//=> 'function template (locals) { ... pug.escape() ... }'
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var templateFunc = wrap(compiledCode);
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templateFunc({content: 'Hey!'});
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//=> '<p>Hey!</p>'
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// Change template function name to 'heyTemplate'
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compiledCode = pug.compileClient(pugSrc, {
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externalRuntime: true,
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name: 'heyTemplate'
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});
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//=> 'function heyTemplate (locals) { ... }'
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templateFunc = wrap(compiledCode, 'heyTemplate');
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templateFunc({content: 'Hey!'});
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//=> '<p>Hey!</p>'
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```
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## License
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MIT
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