node-markup-color-extractor

Description

Extract colors from HTML and XML. This library can detect all of the color types supported by TinyColor.

API

extractColors.from.buffer(opt)

Extract colors from a buffer

• object opt - An options object
  • buffer buffer - A Buffer containing markup
  • function(null|object err, array colors) cb - A function to be executed after the colors are extracted
  • boolean unique - (Optional) If true, the color array will not contain duplicates (Default true)
  • boolean text - (Optional) If true, will search element inner text for colors
  • boolean|array attributes - (Optional) If true, will search all element attributes for colors, or if an array, will search only the attributes listed in the array

Example

fs.readFile(path.join(__dirname, 'colors.xml'), function(err, data) {
    if (err) { throw err; }

    extractColors.from.buffer({
        buffer: data,
        attributes: true,
        text: true,
        cb: function(err, colors) {
            if (err) { throw err; }
            console.log(colors);
        }
    });
});

extractColors.from.string(opt)

Extract colors from a string

• object opt - An options object
  • string string - A string containing markup
  • function(null|object err, array colors) cb - A function to be executed after the colors are extracted
  • boolean unique - (Optional) If true, the color array will not contain duplicates (Default true)
  • boolean text - (Optional) If true, will search element inner text for colors
  • boolean|array attributes - (Optional) If true, will search all element attributes for colors, or if an array, will search only the attributes listed in the array

Example

extractColors.from.string({
    string: '<color value="#E0162B">#0052A5</color>',
    text: true,
    attributes: ['value'],
    cb: function(err, colors) {
        if (err) { throw err; }
        console.log(colors);
    }
});

extractColors.from.file(opt)

Extract colors from a file

• object opt - An options object
  • string file - A path to a file containing markup
  • function(null|object err, array colors) cb - A function to be executed after the colors are extracted
  • boolean unique - (Optional) If true, the color array will not contain duplicates (Default true)
  • boolean text - (Optional) If true, will search element inner text for colors
  • boolean|array attributes - (Optional) If true, will search all element attributes for colors, or if an array, will search only the attributes listed in the array

Example

extractColors.from.file({
    file: path.join(__dirname, 'colors.xml'),
    attributes: true,
    text: true,
    cb: function(err, colors) {
        if (err) { throw err; }
        console.log(colors);
    }
});

extractColors.from.url(opt)

Extract colors from a url

• object opt - An options object
  • string url - A url to a file containing markup
  • function(null|object err, array colors) cb - A function to be executed after the colors are extracted
  • boolean unique - (Optional) If true, the color array will not contain duplicates (Default true)
  • boolean text - (Optional) If true, will search element inner text for colors
  • boolean|array attributes - (Optional) If true, will search all element attributes for colors, or if an array, will search only the attributes listed in the array

Example

extractColors.from.url({
    url: 'http://site.com/colors.html',
    attributes: true,
    text: true,
    cb: function(err, colors) {
        if (err) { throw err; }
        console.log(colors);
    }
});

Note

You may also supply any of the htmlparser2 parser options in opt for all of the methods listed above.

Installation

Npm

npm install markup-color-extractor

Tests

Before running the tests, Mocha must be installed:

npm install -g mocha

To run the tests:

npm test