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'use strict';
/**
* SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
*
* @see https://github.com/svg/svgo
*
* @author Kir Belevich <kir@soulshine.in> (https://github.com/deepsweet)
* @copyright © 2012 Kir Belevich
* @license MIT https://raw.githubusercontent.com/svg/svgo/master/LICENSE
*/
var CONFIG = require('./svgo/config.js'),
SVG2JS = require('./svgo/svg2js.js'),
PLUGINS = require('./svgo/plugins.js'),
JSAPI = require('./svgo/jsAPI.js'),
encodeSVGDatauri = require('./svgo/tools.js').encodeSVGDatauri,
JS2SVG = require('./svgo/js2svg.js');
var SVGO = function(config) {
this.config = CONFIG(config);
};
SVGO.prototype.optimize = function(svgstr, info) {
return new Promise((resolve, reject) => {
if (this.config.error) {
reject(this.config.error);
return;
}
var config = this.config,
maxPassCount = config.multipass ? 10 : 1,
counter = 0,
prevResultSize = Number.POSITIVE_INFINITY,
optimizeOnceCallback = (svgjs) => {
if (svgjs.error) {
reject(svgjs.error);
return;
}
if (++counter < maxPassCount && svgjs.data.length < prevResultSize) {
prevResultSize = svgjs.data.length;
this._optimizeOnce(svgjs.data, info, optimizeOnceCallback);
} else {
if (config.datauri) {
svgjs.data = encodeSVGDatauri(svgjs.data, config.datauri);
}
if (info && info.path) {
svgjs.path = info.path;
}
resolve(svgjs);
}
};
this._optimizeOnce(svgstr, info, optimizeOnceCallback);
});
};
SVGO.prototype._optimizeOnce = function(svgstr, info, callback) {
var config = this.config;
SVG2JS(svgstr, function(svgjs) {
if (svgjs.error) {
callback(svgjs);
return;
}
svgjs = PLUGINS(svgjs, info, config.plugins);
callback(JS2SVG(svgjs, config.js2svg));
});
};
/**
* The factory that creates a content item with the helper methods.
*
* @param {Object} data which passed to jsAPI constructor
* @returns {JSAPI} content item
*/
SVGO.prototype.createContentItem = function(data) {
return new JSAPI(data);
};
module.exports = SVGO;
// Offer ES module interop compatibility.
module.exports.default = SVGO;