node-htmlprocessor/lib/parser.js at master · dciccale/node-htmlprocessor · GitHub

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* node-htmlprocessor

* https://github.com/dciccale/node-htmlprocessor

* Licensed under the MIT license.

* https://github.com/dciccale/node-htmlprocessor/blob/master/LICENSE-MIT

'use strict';

var fs = require('fs');

module.exports = Parser;

function Parser(options) {

this.options = options || {};

this.listFile = null;

if (this.options && this.options.list) {

// Set our log file as a writestream variable with the 'a' flag

this.listFile = fs.createWriteStream(this.options.list, {

flags: 'a',

encoding: 'utf8',

mode: parseInt('744', 8)

});

}

// Set up regular expressions

*

* - type (required) js, css, attr, remove, template, include

* - target|attribute (optional) i.e. dev, prod, release or attributes like [href] [src]

* - value (optional) i.e. script.min.js

this.regStart = new RegExp(

'<!--\\s*' +

this.options.commentMarker +

':(\\[?[\\w-]+\\]?)(?::([\\w,]+))?(?:\\s*(inline)\\s)?(?:\\s*(scoped)\\s)?(?:\\s*([^\\s]+)\\s*-->)*'

);

//

this.regEnd = new RegExp(

'(?:'

);

// <link rel="stylesheet" href="js/bower_components/bootstrap/dist/css/bootstrap.css" />

this.cssHref = /^\s*<\s*link.*href=["\']([^"']*)["\'].*$/i;

// <script src="js/bower_components/xdate/src/xdate.js"></script>

this.jsSrc = /^\s*<\s*script.*src=["\']([^"']*)["\'].*$/i;

}

Parser.prototype.getBlocks = function (content, filePath) {

// Normalize line endings and split in lines

var lines = content.replace(/\r\n/g, '\n').split(/\n/);

var inside = false;

var sections = [];

var block;

lines.forEach(function (line) {

var build = line.match(this.regStart);

var endbuild = this.regEnd.test(line);

var attr;

if (build) {

inside = true;

attr = build[1].match(/(?:\[([\w\-]+)\])*/)[1];

block = {

type: attr ? 'attr' : build[1],

attr: attr,

targets: !!build[2] ? build[2].split(',') : null,

inline: !!build[3],

scoped: !!build[4],

asset: build[5],

indent: /^\s*/.exec(line)[0],

raw: []

};

}

if (inside && block) {

block.raw.push(line);

if (this.listFile) {

this._writeToList(line, filePath);

}

if (inside && endbuild) {

inside = false;

sections.push(block);

}

}, this);

if (this.listFile) {

this.listFile.end();

}

return sections;

};

Parser.prototype._writeToList = function (line, filePath) {

var match = this._getMatch(line);

if (match) {

this.listFile.write(filePath + ':' + match[1] + '\n');

}

};

Parser.prototype._getMatch = function (line) {

var matchCss = line.match(this.cssHref);

var matchJs = line.match(this.jsSrc);

return matchCss || matchJs || null;

};

node-htmlprocessor/lib/parser.js at master · dciccale/node-htmlprocessor · GitHub

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