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var Q = require('q');
var _ = require('lodash');
var semver = require('semver');
var gitbook = require('../gitbook');
var configDefault = require('./default');
/*
Config is an interface for the book's configuration stored in "book.json" (or "book.js")
*/
function Config(book, baseConfig) {
this.book = book;
this.fs = book.fs;
this.log = book.log;
this.replace(baseConfig || {});
}
// Load configuration of the book
// and verify that the configuration is satisfying
Config.prototype.load = function() {
var that = this;
this.log.debug.ln('loading configuration');
return this.fs.loadAsObject(this.book.resolve('book'))
.fail(function(err) {
if (err.code != 'MODULE_NOT_FOUND') throw(err);
else return Q({});
})
.then(function(_config) {
return that.replace(_config);
})
.then(function() {
if (!that.book.isLanguageBook()) {
if (!gitbook.satisfies(that.options.gitbook)) {
throw new Error('GitBook version doesn\'t satisfy version required by the book: '+that.options.gitbook);
}
if (that.options.gitbook != '*' && !semver.satisfies(semver.inc(gitbook.version, 'patch'), that.options.gitbook)) {
that.log.warn.ln('gitbook version specified in your book.json might be too strict for future patches, \''+(_.first(gitbook.version.split('.'))+'.x.x')+'\' is more adequate');
}
}
that.options.output = that.options.output || that.book.resolve('_book');
//that.options.plugins = normalizePluginsList(that.options.plugins);
//that.options.defaultsPlugins = normalizePluginsList(that.options.defaultsPlugins || '', false);
//that.options.plugins = _.union(that.options.plugins, that.options.defaultsPlugins);
//that.options.plugins = _.uniq(that.options.plugins, 'name');
// Default value for text direction (from language)
/*if (!that.options.direction) {
var lang = i18n.getCatalog(that.options.language);
if (lang) that.options.direction = lang.direction;
}*/
that.options.gitbook = gitbook.version;
});
};
// Replace the whole configuration
Config.prototype.replace = function(options) {
var that = this;
this.options = _.cloneDeep(configDefault);
this.options = _.merge(this.options, options || {});
// options.input == book.root
Object.defineProperty(this.options, 'input', {
get: function () {
return that.book.root;
}
});
// options.originalInput == book.parent.root
Object.defineProperty(this.options, 'originalInput', {
get: function () {
return that.book.parent? that.book.parent.root : undefined;
}
});
// options.originalOutput == book.parent.options.output
Object.defineProperty(this.options, 'originalOutput', {
get: function () {
return that.book.parent? that.book.parent.options.output : undefined;
}
});
};
// Return path to a structure file
// Strip the extension by default
Config.prototype.getStructure = function(name, dontStripExt) {
var filename = this.options.structure[name];
if (dontStripExt) return filename;
filename = filename.split('.').slice(0, -1).join('.');
return filename;
};
// Return a configuration using a key and a default value
Config.prototype.get = function(key, def) {
return _.get(this.options, key, def);
};
// Update a configuration
Config.prototype.set = function(key, value) {
return _.set(this.options, key, value);
};
module.exports = Config;
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