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node_modules/webpack/lib/BasicEvaluatedExpression.js

@@ -5,54 +5,82 @@
 
 "use strict";
 
-class BasicEvaluatedExpression {
+const TypeUnknown = 0;
+const TypeNull = 1;
+const TypeString = 2;
+const TypeNumber = 3;
+const TypeBoolean = 4;
+const TypeRegExp = 5;
+const TypeConditional = 6;
+const TypeArray = 7;
+const TypeConstArray = 8;
+const TypeIdentifier = 9;
+const TypeWrapped = 10;
+const TypeTemplateString = 11;
 
+class BasicEvaluatedExpression {
 	constructor() {
+		this.type = TypeUnknown;
 		this.range = null;
+		this.falsy = false;
+		this.truthy = false;
+		this.bool = null;
+		this.number = null;
+		this.regExp = null;
+		this.string = null;
+		this.quasis = null;
+		this.parts = null;
+		this.array = null;
+		this.items = null;
+		this.options = null;
+		this.prefix = null;
+		this.postfix = null;
+		this.wrappedInnerExpressions = null;
+		this.expression = null;
 	}
 
 	isNull() {
-		return !!this.null;
+		return this.type === TypeNull;
 	}
 
 	isString() {
-		return Object.prototype.hasOwnProperty.call(this, "string");
+		return this.type === TypeString;
 	}
 
 	isNumber() {
-		return Object.prototype.hasOwnProperty.call(this, "number");
+		return this.type === TypeNumber;
 	}
 
 	isBoolean() {
-		return Object.prototype.hasOwnProperty.call(this, "bool");
+		return this.type === TypeBoolean;
 	}
 
 	isRegExp() {
-		return Object.prototype.hasOwnProperty.call(this, "regExp");
+		return this.type === TypeRegExp;
 	}
 
 	isConditional() {
-		return Object.prototype.hasOwnProperty.call(this, "options");
+		return this.type === TypeConditional;
 	}
 
 	isArray() {
-		return Object.prototype.hasOwnProperty.call(this, "items");
+		return this.type === TypeArray;
 	}
 
 	isConstArray() {
-		return Object.prototype.hasOwnProperty.call(this, "array");
+		return this.type === TypeConstArray;
 	}
 
 	isIdentifier() {
-		return Object.prototype.hasOwnProperty.call(this, "identifier");
+		return this.type === TypeIdentifier;
 	}
 
 	isWrapped() {
-		return Object.prototype.hasOwnProperty.call(this, "prefix") || Object.prototype.hasOwnProperty.call(this, "postfix");
+		return this.type === TypeWrapped;
 	}
 
 	isTemplateString() {
-		return Object.prototype.hasOwnProperty.call(this, "quasis");
+		return this.type === TypeTemplateString;
 	}
 
 	isTruthy() {
@@ -64,112 +92,133 @@ class BasicEvaluatedExpression {
 	}
 
 	asBool() {
-		if(this.truthy) return true;
-		else if(this.falsy) return false;
-		else if(this.isBoolean()) return this.bool;
-		else if(this.isNull()) return false;
-		else if(this.isString()) return !!this.string;
-		else if(this.isNumber()) return !!this.number;
-		else if(this.isRegExp()) return true;
-		else if(this.isArray()) return true;
-		else if(this.isConstArray()) return true;
-		else if(this.isWrapped()) return this.prefix && this.prefix.asBool() || this.postfix && this.postfix.asBool() ? true : undefined;
-		else if(this.isTemplateString()) {
-			if(this.quasis.length === 1) return this.quasis[0].asBool();
-			for(let i = 0; i < this.quasis.length; i++) {
-				if(this.quasis[i].asBool()) return true;
-			}
-			// can't tell if string will be empty without executing
+		if (this.truthy) return true;
+		if (this.falsy) return false;
+		if (this.isBoolean()) return this.bool;
+		if (this.isNull()) return false;
+		if (this.isString()) return this.string !== "";
+		if (this.isNumber()) return this.number !== 0;
+		if (this.isRegExp()) return true;
+		if (this.isArray()) return true;
+		if (this.isConstArray()) return true;
+		if (this.isWrapped()) {
+			return (this.prefix && this.prefix.asBool()) ||
+				(this.postfix && this.postfix.asBool())
+				? true
+				: undefined;
+		}
+		if (this.isTemplateString()) {
+			const str = this.asString();
+			if (typeof str === "string") return str !== "";
 		}
 		return undefined;
 	}
 
-	setString(str) {
-		if(str === null)
-			delete this.string;
-		else
-			this.string = str;
+	asString() {
+		if (this.isBoolean()) return `${this.bool}`;
+		if (this.isNull()) return "null";
+		if (this.isString()) return this.string;
+		if (this.isNumber()) return `${this.number}`;
+		if (this.isRegExp()) return `${this.regExp}`;
+		if (this.isArray()) {
+			let array = [];
+			for (const item of this.items) {
+				const itemStr = item.asString();
+				if (itemStr === undefined) return undefined;
+				array.push(itemStr);
+			}
+			return `${array}`;
+		}
+		if (this.isConstArray()) return `${this.array}`;
+		if (this.isTemplateString()) {
+			let str = "";
+			for (const part of this.parts) {
+				const partStr = part.asString();
+				if (partStr === undefined) return undefined;
+				str += partStr;
+			}
+			return str;
+		}
+		return undefined;
+	}
+
+	setString(string) {
+		this.type = TypeString;
+		this.string = string;
 		return this;
 	}
 
 	setNull() {
-		this.null = true;
+		this.type = TypeNull;
 		return this;
 	}
 
-	setNumber(num) {
-		if(num === null)
-			delete this.number;
-		else
-			this.number = num;
+	setNumber(number) {
+		this.type = TypeNumber;
+		this.number = number;
 		return this;
 	}
 
 	setBoolean(bool) {
-		if(bool === null)
-			delete this.bool;
-		else
-			this.bool = bool;
+		this.type = TypeBoolean;
+		this.bool = bool;
 		return this;
 	}
 
 	setRegExp(regExp) {
-		if(regExp === null)
-			delete this.regExp;
-		else
-			this.regExp = regExp;
+		this.type = TypeRegExp;
+		this.regExp = regExp;
 		return this;
 	}
 
 	setIdentifier(identifier) {
-		if(identifier === null)
-			delete this.identifier;
-		else
-			this.identifier = identifier;
+		this.type = TypeIdentifier;
+		this.identifier = identifier;
 		return this;
 	}
 
-	setWrapped(prefix, postfix) {
+	setWrapped(prefix, postfix, innerExpressions) {
+		this.type = TypeWrapped;
 		this.prefix = prefix;
 		this.postfix = postfix;
-		return this;
-	}
-
-	unsetWrapped() {
-		delete this.prefix;
-		delete this.postfix;
+		this.wrappedInnerExpressions = innerExpressions;
 		return this;
 	}
 
 	setOptions(options) {
-		if(options === null)
-			delete this.options;
-		else
-			this.options = options;
+		this.type = TypeConditional;
+		this.options = options;
+		return this;
+	}
+
+	addOptions(options) {
+		if (!this.options) {
+			this.type = TypeConditional;
+			this.options = [];
+		}
+		for (const item of options) {
+			this.options.push(item);
+		}
 		return this;
 	}
 
 	setItems(items) {
-		if(items === null)
-			delete this.items;
-		else
-			this.items = items;
+		this.type = TypeArray;
+		this.items = items;
 		return this;
 	}
 
 	setArray(array) {
-		if(array === null)
-			delete this.array;
-		else
-			this.array = array;
+		this.type = TypeConstArray;
+		this.array = array;
 		return this;
 	}
 
-	setTemplateString(quasis) {
-		if(quasis === null)
-			delete this.quasis;
-		else
-			this.quasis = quasis;
+	setTemplateString(quasis, parts, kind) {
+		this.type = TypeTemplateString;
+		this.quasis = quasis;
+		this.parts = parts;
+		this.templateStringKind = kind;
 		return this;
 	}
 
@@ -185,19 +234,15 @@ class BasicEvaluatedExpression {
 		return this;
 	}
 
-	addOptions(options) {
-		if(!this.options) this.options = [];
-		options.forEach(item => {
-			this.options.push(item);
-		}, this);
-		return this;
-	}
-
 	setRange(range) {
 		this.range = range;
 		return this;
 	}
 
+	setExpression(expression) {
+		this.expression = expression;
+		return this;
+	}
 }
 
 module.exports = BasicEvaluatedExpression;