fix: fit to terminal width by calculating string width

.prettierrc.json

@@ -1,10 +1,10 @@
 {
-    "bracketSpacing": false,
-    "printWidth": 80,
-    "semi": true,
-    "singleQuote": true,
-    "tabWidth": 2,
-    "trailingComma": "none",
-    "useTabs": false,
-    "arrowParens": "always"
-}
+  "bracketSpacing": false,
+  "printWidth": 320,
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "trailingComma": "none",
+  "useTabs": false,
+  "arrowParens": "always"
+}

bench/string-width.mjs

@@ -0,0 +1,51 @@
+import {Bench} from 'tinybench';
+import {getStringWidth} from '../dist/string-width.js';
+import fastStringTruncatedWidth from 'fast-string-truncated-width';
+
+const fastStringTruncatedWidthOptions = {limit: Infinity, ellipsis: ''};
+
+const suites = [
+  {
+    name: 'Basic ASCII',
+    input: 'Hello'
+  },
+  {
+    name: 'ANSI + ASCII',
+    input: '\x1b[31mabc\x1b[31m'
+  },
+  {
+    name: 'Emoji',
+    input: '😀🤪🙂‍↔️🥶☝🏿☝🏿'
+  },
+  {
+    name: 'Emoji+ASCII',
+    input: '😀hello . 🤪🙂‍↔️🥶was☝🏿☝🏿'
+  },
+  {
+    name: 'CJK',
+    input: '古池や'
+  }
+];
+
+for (const suite of suites) {
+  const bench = new Bench();
+
+  bench
+    .add('picospinner getStringWidth()', () => {
+      for (const suite of suites) {
+        getStringWidth(suite.input);
+      }
+    })
+    .add('fast-string-truncated-width', () => {
+      for (const suite of suites) {
+        fastStringTruncatedWidth(suite.input, fastStringTruncatedWidthOptions, {}).width;
+      }
+    });
+
+  console.log('Benchmark:', suite.name);
+
+  await bench.warmup();
+  await bench.run();
+
+  console.table(bench.table());
+}

eslint.config.mjs

@@ -1,12 +1,21 @@
 import eslint from '@eslint/js';
 import {configs as tseslintConfigs} from 'typescript-eslint';
+import globals from 'globals';
 
 const {configs: eslintConfigs} = eslint;
 
 export default [
-  {
-    files: ['src/**/*.ts']
-  },
   eslintConfigs.recommended,
-  ...tseslintConfigs.strict
+  ...tseslintConfigs.strict,
+  {
+    files: ['src/**/*.ts', '**/*.js'],
+    rules: {
+      'no-control-regex': 'off'
+    },
+    languageOptions: {
+      globals: {
+        ...globals.node
+      }
+    }
+  }
 ];