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pug-load

The pug loader is responsible for loading the depenendencies of a given pug file. It adds fullPath and str properties to every Include and Extends node. It also adds an ast property to any Include nodes that are loading pug and any Extends nodes. It then recursively loads the dependencies of any of those included files.

Installation

npm install pug-load

Usage

var load = require('pug-load');

load(ast, options)

load.string(str, filename, options)

load.file(filename, options)

Loads all dependencies of the Pug AST. load.string and load.file are syntactic sugar that parses the string or file instead of you doing it yourself.

options may contain the following properties:

• lex (function): (required) the lexer used
• parse (function): (required) the parser used
• resolve (function): a function used to override load.resolve. Defaults to load.resolve.
• read (function): a function used to override load.read. Defaults to load.read.
• basedir (string): the base directory of absolute inclusion. This is required when absolute inclusion (file name starts with '/') is used. Defaults to undefined.

The options object is passed to load.resolve and load.read, or equivalently options.resolve and options.read.

load.resolve(filename, source, options)

Callback used by pug-load to resolve the full path of an included or extended file given the path of the source file.

filename is the included file. source is the name of the parent file that includes filename.

This function is not meant to be called from outside of pug-load, but rather for you to override.

load.read(filename, options)

Callback used by pug-load to return the contents of a file.

filename is the file to read.

This function is not meant to be called from outside of pug-load, but rather for you to override.

load.validateOptions(options)

Callback used pug-load to ensure the options object is valid. If your overriden load.resolve or load.read uses a different options scheme, you will need to override this function as well.

This function is not meant to be called from outside of pug-load, but rather for you to override.

Example

var fs = require('fs');
var lex = require('pug-lexer');
var parse = require('pug-parser');
var load = require('pug-load');

// you can do everything very manually

var str = fs.readFileSync('bar.pug', 'utf8');
var ast = load(parse(lex(str, 'bar.pug'), 'bar.pug'), {
  lex: lex,
  parse: parse,
  resolve: function (filename, source, options) {
    console.log('"' + filename + '" file requested from "' + source + '".');
    return load.resolve(filename, source, options);
  }
});

// or you can do all that in just two steps

var str = fs.readFileSync('bar.pug', 'utf8');
var ast = load.string(str, 'bar.pug', {
  lex: lex,
  parse: parse,
  resolve: function (filename, source, options) {
    console.log('"' + filename + '" file requested from "' + source + '".');
    return load.resolve(filename, source, options);
  }
});

// or you can do all that in only one step

var ast = load.file('bar.pug', {
  lex: lex,
  parse: parse,
  resolve: function (filename, source, options) {
    console.log('"' + filename + '" file requested from "' + source + '".');
    return load.resolve(filename, source, options);
  }
});

License

MIT