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var Q = require('q');
var _ = require('lodash');
var path = require('path');
// Default configuration for gitbook
var CONFIG = {
// Folders to use for output
// Caution: it overrides the value from the command line
// It's not advised this option in the book.json
"output": null,
// Generator to use for building
// Caution: it overrides the value from the command line
// It's not advised this option in the book.json
"generator": "site",
// Configuration file to use
"configFile": "book",
// Book metadats (somes are extracted from the README by default)
"title": null,
"description": null,
"isbn": null,
// For ebook format, the extension to use for generation (default is detected from output extension)
// "epub", "pdf", "mobi"
// Caution: it overrides the value from the command line
// It's not advised this option in the book.json
"extension": null,
// Plugins list, can contain "-name" for removing default plugins
"plugins": [],
// Global configuration for plugins
"pluginsConfig": {
"fontSettings": {
"theme": null, //"sepia", "night" or "white",
"family": "sans",// "serif" or "sans",
"size": 2 // 1 - 4
}
},
// Variables for templating
"variables": {},
// Set another theme with your own layout
// It's recommended to use plugins or add more options for default theme, though
// See https://github.com/GitbookIO/gitbook/issues/209
"theme": path.resolve(__dirname, '../../theme'),
// Links in template (null: default, false: remove, string: new value)
"links": {
// Custom links at top of sidebar
"sidebar": {
//"Custom link name": "https://customlink.com"
},
// Sharing links
"sharing": {
"google": null,
"facebook": null,
"twitter": null,
"weibo": null,
"all": null
}
},
// CSS Styles
"styles": {
"website": "styles/website.css",
"ebook": "styles/ebook.css",
"pdf": "styles/pdf.css",
"mobi": "styles/mobi.css",
"epub": "styles/epub.css"
},
// Options for PDF generation
"pdf": {
// Add toc at the end of the file
"toc": true,
// Add page numbers to the bottom of every page
"pageNumbers": false,
// Font size for the file content
"fontSize": 12,
// Paper size for the pdf
// Choices are [u’a0’, u’a1’, u’a2’, u’a3’, u’a4’, u’a5’, u’a6’, u’b0’, u’b1’, u’b2’, u’b3’, u’b4’, u’b5’, u’b6’, u’legal’, u’letter’]
"paperSize": "a4",
// Margin (in pts)
// Note: 72 pts equals 1 inch
"margin": {
"right": 62,
"left": 62,
"top": 36,
"bottom": 36
},
//Header HTML template. Available variables: _PAGENUM_, _TITLE_, _AUTHOR_ and _SECTION_.
"headerTemplate": "",
//Footer HTML template. Available variables: _PAGENUM_, _TITLE_, _AUTHOR_ and _SECTION_.
"footerTemplate": ""
}
};
// Return complete configuration
var defaultsConfig = function(options) {
return _.merge(options || {}, CONFIG, _.defaults);
};
// Read configuration from book.json
var readConfig = function(options) {
options = defaultsConfig(options);
return Q()
.then(function() {
try {
var _config = require(path.resolve(options.input, options.configFile));
options = _.merge(options, _.omit(_config, 'input', 'configFile', 'defaultsPlugins', 'generator'));
}
catch(err) {
// No config file: not a big deal
return Q();
}
})
.thenResolve(options);
};
module.exports = {
CONFIG: CONFIG,
defaults: defaultsConfig,
read: readConfig
}
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