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node_modules/svgo/lib/svgo.js

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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) {
+    info = 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;
+                }
+
+                info.multipassCount = counter;
+                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);
+};
+
+SVGO.Config = CONFIG;
+
+module.exports = SVGO;
+// Offer ES module interop compatibility.
+module.exports.default = SVGO;