Changes

node_modules/chalk/source/index.js

@@ -6,6 +6,8 @@ const {
 	stringEncaseCRLFWithFirstIndex
 } = require('./util');
 
+const {isArray} = Array;
+
 // `supportsColor.level` → `ansiStyles.color[name]` mapping
 const levelMapping = [
 	'ansi',
@@ -17,7 +19,7 @@ const levelMapping = [
 const styles = Object.create(null);
 
 const applyOptions = (object, options = {}) => {
-	if (options.level > 3 || options.level < 0) {
+	if (options.level && !(Number.isInteger(options.level) && options.level >= 0 && options.level <= 3)) {
 		throw new Error('The `level` option should be an integer from 0 to 3');
 	}
 
@@ -28,6 +30,7 @@ const applyOptions = (object, options = {}) => {
 
 class ChalkClass {
 	constructor(options) {
+		// eslint-disable-next-line no-constructor-return
 		return chalkFactory(options);
 	}
 }
@@ -134,14 +137,19 @@ const createStyler = (open, close, parent) => {
 
 const createBuilder = (self, _styler, _isEmpty) => {
 	const builder = (...arguments_) => {
+		if (isArray(arguments_[0]) && isArray(arguments_[0].raw)) {
+			// Called as a template literal, for example: chalk.red`2 + 3 = {bold ${2+3}}`
+			return applyStyle(builder, chalkTag(builder, ...arguments_));
+		}
+
 		// Single argument is hot path, implicit coercion is faster than anything
 		// eslint-disable-next-line no-implicit-coercion
 		return applyStyle(builder, (arguments_.length === 1) ? ('' + arguments_[0]) : arguments_.join(' '));
 	};
 
-	// `__proto__` is used because we must return a function, but there is
+	// We alter the prototype because we must return a function, but there is
 	// no way to create a function with a different prototype
-	builder.__proto__ = proto; // eslint-disable-line no-proto
+	Object.setPrototypeOf(builder, proto);
 
 	builder._generator = self;
 	builder._styler = _styler;
@@ -188,7 +196,7 @@ let template;
 const chalkTag = (chalk, ...strings) => {
 	const [firstString] = strings;
 
-	if (!Array.isArray(firstString)) {
+	if (!isArray(firstString) || !isArray(firstString.raw)) {
 		// If chalk() was called by itself or with a string,
 		// return the string itself as a string.
 		return strings.join(' ');
@@ -218,16 +226,4 @@ chalk.supportsColor = stdoutColor;
 chalk.stderr = Chalk({level: stderrColor ? stderrColor.level : 0}); // eslint-disable-line new-cap
 chalk.stderr.supportsColor = stderrColor;
 
-// For TypeScript
-chalk.Level = {
-	None: 0,
-	Basic: 1,
-	Ansi256: 2,
-	TrueColor: 3,
-	0: 'None',
-	1: 'Basic',
-	2: 'Ansi256',
-	3: 'TrueColor'
-};
-
 module.exports = chalk;

node_modules/chalk/source/templates.js

@@ -2,7 +2,7 @@
 const TEMPLATE_REGEX = /(?:\\(u(?:[a-f\d]{4}|\{[a-f\d]{1,6}\})|x[a-f\d]{2}|.))|(?:\{(~)?(\w+(?:\([^)]*\))?(?:\.\w+(?:\([^)]*\))?)*)(?:[ \t]|(?=\r?\n)))|(\})|((?:.|[\r\n\f])+?)/gi;
 const STYLE_REGEX = /(?:^|\.)(\w+)(?:\(([^)]*)\))?/g;
 const STRING_REGEX = /^(['"])((?:\\.|(?!\1)[^\\])*)\1$/;
-const ESCAPE_REGEX = /\\(u(?:[a-f\d]{4}|\{[a-f\d]{1,6}\})|x[a-f\d]{2}|.)|([^\\])/gi;
+const ESCAPE_REGEX = /\\(u(?:[a-f\d]{4}|{[a-f\d]{1,6}})|x[a-f\d]{2}|.)|([^\\])/gi;
 
 const ESCAPES = new Map([
 	['n', '\n'],
@@ -126,8 +126,8 @@ module.exports = (chalk, temporary) => {
 	chunks.push(chunk.join(''));
 
 	if (styles.length > 0) {
-		const errMsg = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`;
-		throw new Error(errMsg);
+		const errMessage = `Chalk template literal is missing ${styles.length} closing bracket${styles.length === 1 ? '' : 's'} (\`}\`)`;
+		throw new Error(errMessage);
 	}
 
 	return chunks.join('');