It appears you have a well-structured Git repository with various files, including SVG icons and HTML documents. Here's a brief overview:

backend/node_modules/svgo/lib/svgo.js

@@ -0,0 +1,102 @@
+'use strict';
+
+const { parseSvg } = require('./parser.js');
+const { stringifySvg } = require('./stringifier.js');
+const { builtin } = require('./builtin.js');
+const { invokePlugins } = require('./svgo/plugins.js');
+const { encodeSVGDatauri } = require('./svgo/tools.js');
+
+const pluginsMap = {};
+for (const plugin of builtin) {
+  pluginsMap[plugin.name] = plugin;
+}
+
+const resolvePluginConfig = (plugin) => {
+  if (typeof plugin === 'string') {
+    // resolve builtin plugin specified as string
+    const builtinPlugin = pluginsMap[plugin];
+    if (builtinPlugin == null) {
+      throw Error(`Unknown builtin plugin "${plugin}" specified.`);
+    }
+    return {
+      name: plugin,
+      params: {},
+      fn: builtinPlugin.fn,
+    };
+  }
+  if (typeof plugin === 'object' && plugin != null) {
+    if (plugin.name == null) {
+      throw Error(`Plugin name should be specified`);
+    }
+    // use custom plugin implementation
+    let fn = plugin.fn;
+    if (fn == null) {
+      // resolve builtin plugin implementation
+      const builtinPlugin = pluginsMap[plugin.name];
+      if (builtinPlugin == null) {
+        throw Error(`Unknown builtin plugin "${plugin.name}" specified.`);
+      }
+      fn = builtinPlugin.fn;
+    }
+    return {
+      name: plugin.name,
+      params: plugin.params,
+      fn,
+    };
+  }
+  return null;
+};
+
+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 output = '';
+  const info = {};
+  if (config.path != null) {
+    info.path = config.path;
+  }
+  for (let i = 0; i < maxPassCount; i += 1) {
+    info.multipassCount = i;
+    const ast = parseSvg(input, config.path);
+    const plugins = config.plugins || ['preset-default'];
+    if (!Array.isArray(plugins)) {
+      throw Error(
+        'malformed config, `plugins` property must be an array.\nSee more info here: https://github.com/svg/svgo#configuration',
+      );
+    }
+    const resolvedPlugins = plugins
+      .filter((plugin) => plugin != null)
+      .map(resolvePluginConfig);
+
+    if (resolvedPlugins.length < plugins.length) {
+      console.warn(
+        'Warning: plugins list includes null or undefined elements, these will be ignored.',
+      );
+    }
+    const globalOverrides = {};
+    if (config.floatPrecision != null) {
+      globalOverrides.floatPrecision = config.floatPrecision;
+    }
+    invokePlugins(ast, info, resolvedPlugins, null, globalOverrides);
+    output = stringifySvg(ast, config.js2svg);
+    if (output.length < prevResultSize) {
+      input = output;
+      prevResultSize = output.length;
+    } else {
+      break;
+    }
+  }
+  if (config.datauri) {
+    output = encodeSVGDatauri(output, config.datauri);
+  }
+  return {
+    data: output,
+  };
+};
+exports.optimize = optimize;