feat: init

node_modules/svgo/lib/svgo-node.js

@@ -0,0 +1,98 @@
+import os from 'os';
+import fs from 'fs/promises';
+import path from 'path';
+import * as svgo from './svgo.js';
+import url from 'url';
+
+/**
+ * @param {string} configFile
+ * @returns {Promise<import('./types.js').Config>}
+ */
+const importConfig = async (configFile) => {
+  const resolvedPath = path.resolve(configFile);
+  const imported = await import(url.pathToFileURL(resolvedPath).toString());
+  const config = imported.default;
+
+  if (config == null || typeof config !== 'object' || Array.isArray(config)) {
+    throw Error(`Invalid config file "${configFile}"`);
+  }
+  return config;
+};
+
+/**
+ * @param {string} file
+ * @returns {Promise<boolean>}
+ */
+const isFile = async (file) => {
+  try {
+    const stats = await fs.stat(file);
+    return stats.isFile();
+  } catch {
+    return false;
+  }
+};
+
+export * from './svgo.js';
+
+/**
+ * If you write a tool on top of svgo you might need a way to load svgo config.
+ * You can also specify relative or absolute path and customize current working
+ * directory.
+ *
+ * @type {<T extends string | null>(configFile?: T, cwd?: string) => Promise<T extends string ? import('./svgo.js').Config : import('./svgo.js').Config | null>}
+ */
+export const loadConfig = async (configFile, cwd = process.cwd()) => {
+  if (configFile != null) {
+    if (path.isAbsolute(configFile)) {
+      return importConfig(configFile);
+    } else {
+      return importConfig(path.join(cwd, configFile));
+    }
+  }
+  let dir = cwd;
+
+  while (true) {
+    const js = path.join(dir, 'svgo.config.js');
+    if (await isFile(js)) {
+      return importConfig(js);
+    }
+    const mjs = path.join(dir, 'svgo.config.mjs');
+    if (await isFile(mjs)) {
+      return importConfig(mjs);
+    }
+    const cjs = path.join(dir, 'svgo.config.cjs');
+    if (await isFile(cjs)) {
+      return importConfig(cjs);
+    }
+    const parent = path.dirname(dir);
+    if (dir === parent) {
+      // @ts-expect-error https://github.com/microsoft/TypeScript/issues/33912
+      return null;
+    }
+    dir = parent;
+  }
+};
+
+/**
+ * The core of SVGO.
+ *
+ * @param {string} input
+ * @param {import('./svgo.js').Config=} config
+ * @returns {import('./svgo.js').Output}
+ */
+export const optimize = (input, config) => {
+  if (config == null) {
+    config = {};
+  }
+  if (typeof config !== 'object') {
+    throw Error('Config should be an object');
+  }
+  return svgo.optimize(input, {
+    ...config,
+    js2svg: {
+      // platform specific default for end of line
+      eol: os.EOL === '\r\n' ? 'crlf' : 'lf',
+      ...config.js2svg,
+    },
+  });
+};