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svgo.js
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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
*/
const {
defaultPlugins,
resolvePluginConfig,
extendDefaultPlugins
} = require('./svgo/config.js');
const svg2js = require('./svgo/svg2js.js');
const js2svg = require('./svgo/js2svg.js');
const invokePlugins = require('./svgo/plugins.js');
const JSAPI = require('./svgo/jsAPI.js');
const { encodeSVGDatauri } = require('./svgo/tools.js');
exports.extendDefaultPlugins = extendDefaultPlugins;
const optimize = (input, config) => {
if (config == null) {
config = {};
}
if (typeof config !== 'object') {
throw Error('Config should be an object')
}
const maxPassCount = config.multipass ? 10 : 1;
let prevResultSize = Number.POSITIVE_INFINITY;
let svgjs = null;
const info = {}
if (config.path != null) {
info.path = config.path;
}
for (let i = 0; i < maxPassCount; i += 1) {
info.multipassCount = i;
svgjs = svg2js(input);
if (svgjs.error == null) {
const plugins = config.plugins || defaultPlugins;
if (Array.isArray(plugins) === false) {
throw Error('Invalid plugins list. Provided \'plugins\' in config should be an array.');
}
const resolvedPlugins = plugins.map(plugin => resolvePluginConfig(plugin, config))
svgjs = invokePlugins(svgjs, info, resolvedPlugins);
}
svgjs = js2svg(svgjs, config.js2svg);
if (svgjs.error) {
throw Error(svgjs.error);
}
if (svgjs.data.length < prevResultSize) {
input = svgjs.data;
prevResultSize = svgjs.data.length
} else {
if (config.datauri) {
svgjs.data = encodeSVGDatauri(svgjs.data, config.datauri);
}
if (config.path != null) {
svgjs.path = config.path;
}
return svgjs;
}
}
return svgjs;
};
exports.optimize = optimize;
/**
* The factory that creates a content item with the helper methods.
*
* @param {Object} data which is passed to jsAPI constructor
* @returns {JSAPI} content item
*/
const createContentItem = (data) => {
return new JSAPI(data);
};
exports.createContentItem = createContentItem;