JavaScript Minifier

POSTGET

Our JavaScript Minifier API provides enterprise-grade code optimization using Terser with support for variable mangling, compression, dead code elimination, console removal, and modern ECMAScript features. Perfect for production builds, bundle optimization, and performance enhancement.

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Request body (JSON)

{
  "options": {
    "mangle": true,
    "module": true,
    "compress": true,
    "toplevel": false,
    "sourceMap": false,
    "ecmaVersion": 2020,
    "removeConsole": true,
    "removeComments": true,
    "removeDebugger": true,
    "preserveClassNames": false,
    "preserveFunctionNames": false
  },
  "javascript": "/**\n * E-commerce Cart Management System\n * Handles shopping cart operations with advanced features\n */\n\nclass ShoppingCart {\n    constructor(userId, currency = 'USD') {\n        this.userId = userId;\n        this.currency = currency;\n        this.items = new Map();\n        this.discounts = [];\n        this.taxRate = 0.08; // 8% default tax\n        \n        console.log('Cart initialized for user:', userId);\n        this.loadSavedCart();\n    }\n    \n    /**\n     * Add item to cart with quantity validation\n     * @param {Object} product - Product object\n     * @param {number} quantity - Quantity to add\n     */\n    addItem(product, quantity = 1) {\n        if (!product || !product.id) {\n            throw new Error('Invalid product provided');\n        }\n        \n        if (quantity <= 0) {\n            console.warn('Invalid quantity:', quantity);\n            return false;\n        }\n        \n        const existingItem = this.items.get(product.id);\n        if (existingItem) {\n            existingItem.quantity += quantity;\n            existingItem.total = existingItem.quantity * existingItem.price;\n        } else {\n            this.items.set(product.id, {\n                id: product.id,\n                name: product.name,\n                price: product.price,\n                quantity: quantity,\n                total: product.price * quantity,\n                category: product.category || 'general'\n            });\n        }\n        \n        console.log(`Added ${quantity}x ${product.name} to cart`);\n        this.saveCart();\n        return true;\n    }\n    \n    /**\n     * Calculate cart totals with tax and discounts\n     */\n    calculateTotals() {\n        let subtotal = 0;\n        \n        for (const item of this.items.values()) {\n            subtotal += item.total;\n        }\n        \n        // Apply discounts\n        let discountAmount = 0;\n        this.discounts.forEach(discount => {\n            if (discount.type === 'percentage') {\n                discountAmount += subtotal * (discount.value / 100);\n            } else if (discount.type === 'fixed') {\n                discountAmount += discount.value;\n            }\n        });\n        \n        const afterDiscount = Math.max(0, subtotal - discountAmount);\n        const taxAmount = afterDiscount * this.taxRate;\n        const total = afterDiscount + taxAmount;\n        \n        return {\n            subtotal: this.formatCurrency(subtotal),\n            discountAmount: this.formatCurrency(discountAmount),\n            taxAmount: this.formatCurrency(taxAmount),\n            total: this.formatCurrency(total),\n            itemCount: this.items.size\n        };\n    }\n    \n    formatCurrency(amount) {\n        return new Intl.NumberFormat('en-US', {\n            style: 'currency',\n            currency: this.currency\n        }).format(amount);\n    }\n    \n    async saveCart() {\n        try {\n            const cartData = {\n                userId: this.userId,\n                items: Array.from(this.items.entries()),\n                discounts: this.discounts,\n                timestamp: Date.now()\n            };\n            \n            await fetch('/api/cart/save', {\n                method: 'POST',\n                headers: { 'Content-Type': 'application/json' },\n                body: JSON.stringify(cartData)\n            });\n            \n            console.log('Cart saved successfully');\n        } catch (error) {\n            console.error('Failed to save cart:', error);\n        }\n    }\n}\n\n// Initialize cart system\nconst userCart = new ShoppingCart('user-12345', 'USD');\n\n// Export for module usage\nexport default ShoppingCart;\nexport { userCart };"
}

About this API

Professional JavaScript minification and optimization service powered by Terser. Reduce file sizes, improve load times, and optimize JavaScript for production deployment. Features variable mangling, dead code elimination, console statement removal, comment stripping, and ES6+ support with customizable optimization levels.

Endpoint

https://apistack.online/api/web/javascript-minifier/v1

Methods

POSTGET

JavaScript Minifier

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About this API

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