Cli/size options

package.json

@@ -20,15 +20,16 @@
 		"type": "git",
 		"url": "git+https://github.com/wp-blocks/squashify.git"
 	},
-	"module": "lib/esm/",
-	"main": "lib/esm/index.js",
+  "main": "lib/esm/index.js",
+  "module": "lib/esm/",
 	"reqire": "lib/cjs/index.js",
-	"types": "lib/esm/index.d.ts",
+	"types": "lib/@types/index.d.ts",
 	"scripts": {
 		"build": "npx esbuild ./src/* --outdir=lib/esm/ --format=esm --platform=node --minify",
-		"postbuild": "npx esbuild src/index.ts --outfile=lib/cjs/index.js --bundle --platform=node --minify",
-		"watch": "tsc --watch --sourceMap",
+		"postbuild": "npx esbuild src/index.ts --outfile=lib/cjs/index.js --bundle --platform=node --minify && tsc --emitDeclarationOnly --outDir lib/@types/",
+		"watch": "tsc --watch --sourceMap --outDir lib/esm/",
 		"squashify": "node . --in tests/images/ --out tests/output --verbose",
+		"squashifyDefaults": "node . -d",
 		"test": "vitest --coverage"
 	},
 	"files": [

src/args.ts

@@ -1,14 +1,13 @@
 import { defaultConfigFile, extModes } from "./constants.js";
-import yargs from "yargs";
-import { CliOptions, ExtMode } from "./types.js";
+import yargs, { Argv } from "yargs";
+import { CliOptions, ExtMode, ResizeType, resizeType } from "./types.js";
 import { hideBin } from "yargs/helpers";
+import { generateDefaultConfigFile } from "./utils.js";
 
 /**
  * Get the command-line settings
  */
-export function getCliOptions(
-  rawArgs: yargs.Argv<object> | undefined,
-): CliOptions {
+export function getCliOptions(rawArgs: Argv<object> | undefined): CliOptions {
   if (!rawArgs) {
     rawArgs = yargs(hideBin(process.argv));
   }
@@ -35,6 +34,24 @@ export function getCliOptions(
       describe: "Interactive mode",
       type: "boolean",
     })
+    .option("defaultIni", {
+      alias: "d",
+      describe: "Generate default config file",
+      type: "boolean",
+    })
+    .option("maxSize", {
+      alias: "s",
+      describe: "Maximum image size in pixels",
+      type: "number",
+      default: undefined,
+    })
+    .option("resizeType", {
+      alias: "r",
+      describe: "Resize type",
+      type: "string",
+      choices: resizeType,
+      default: undefined,
+    })
     .option("extMode", {
       alias: "e",
       describe: "Whenever to add or replace extension",
@@ -60,15 +77,29 @@ export function getCliOptions(
       ? (argv.extMode as ExtMode)
       : "replace";
 
+  const configFileName = argv.config ?? defaultConfigFile;
+
+  if (Boolean(argv.defaultIni) && configFileName) {
+    generateDefaultConfigFile(configFileName, argv as Record<string, string>);
+
+    console.log(`Generated default config file: ${configFileName}`);
+
+    process.exit(0);
+  }
+
   return {
     srcDir: argv.input ?? "",
     distDir: argv.output ?? "",
-    configFile: argv.config ?? defaultConfigFile,
+    configFile: configFileName,
     interactive: Boolean(argv.interactive),
     verbose: Boolean(argv.verbose),
     options: extMode
       ? {
           extMode: (extMode as ExtMode) || "replace",
+          maxSize: argv.maxSize ? Number(argv.maxSize) : undefined,
+          resizeType: argv.resizeType
+            ? (argv.resizeType as ResizeType)
+            : undefined,
         }
       : undefined,
   };

src/encodeImage.ts

@@ -1,4 +1,4 @@
-import { CompressionMeta, OutputData } from "./types";
+import { CompressionMeta, OutputData } from "./types.js";
 import sharp, { FitEnum } from "sharp";
 import { transparentColor } from "./constants.js";
 

src/prompts.ts

@@ -5,7 +5,7 @@ import {
   getImageCompressionOptions,
   srcDirQuestion,
 } from "./options.js";
-import { CompressionOptionsMap, type ScriptOptions } from "./types";
+import { CompressionOptionsMap, type ScriptOptions } from "./types.js";
 import {
   defaultCompressionOptions,
   getImageFormatsInFolder,

src/utils.ts

@@ -17,7 +17,10 @@ import {
   type CompressionOptionsMap,
   ExtMode,
   GenericCompressionOptions,
+  ResizeType,
 } from "./types.js";
+import ini from "ini";
+import { writeFileSync } from "node:fs";
 
 /**
  * The function returns compression settings for a given image format.
@@ -295,3 +298,39 @@ export function getFileName(
     ? paths?.base + ext
     : paths?.name + ext;
 }
+
+/**
+ * Generates a default configuration file based on the provided arguments.
+ *
+ * @param filename - The name of the configuration file.
+ * @param {Record<string, string>} argv - The input arguments for configuration.
+ */
+export function generateDefaultConfigFile(
+  filename: string,
+  argv: Record<string, string>,
+) {
+  let defaultConfig = {
+    path: {
+      in: argv.input ?? "images",
+      out: argv.output ?? "optimized",
+    },
+    options: {
+      verbose: argv.verbose ?? undefined,
+      extMode: (argv.extMode as ExtMode) || "replace",
+      maxSize: Number(argv.maxSize) || undefined,
+      resizeType: (argv.resizeType as ResizeType) || undefined,
+    },
+  };
+
+  defaultConfig = {
+    ...defaultConfig,
+    options: {
+      ...defaultConfig.options,
+    },
+    ...defaultCompressionOptions(),
+  };
+
+  const iniFileContent = ini.stringify(defaultConfig);
+
+  return writeFileSync(filename, iniFileContent);
+}

tsconfig.json

@@ -1,7 +1,7 @@
 {
 	"compilerOptions": {
-		"module": "ESNext",
-		"moduleResolution": "node",
+		"module": "NodeNext",
+		"moduleResolution": "NodeNext",
 		"target": "ESNext",
 		"esModuleInterop": true,
 		"strict": true,