@zenofolio/plynt

Plynt is a lightweight and powerful template engine designed for dynamic text rendering — perfect for messaging, campaign systems, and real-time content personalization.

🚀 Features

• ✅ Supports chained functions: ->trim->capitalize
• ✅ Handles async functions seamlessly
• ✅ Allows function parameters: ->truncate(10, "...")
• ✅ Built-in fallback support per token: [( Default )]
• ✅ Uses namespace.key syntax: <<@user:name@>>
• [ ] Supports multi-key fallback: <<@user:name|username@>>
• ✅ Compile and reuse templates with build() and compile()
• ✅ Fully text-based: no HTML, no DOM assumptions
• ✅ Designed for high-performance mass rendering

📦 Installation

npm install @zenofolio/plynt

🧩 Example

Hello <<@user:name->trim->capitalize@>>[( Guest )],
Your order <<@order:id@>> has been shipped.

With metadata:

{
  user: { name: "   randy" },
  order: { id: "#123456" }
}

Output:

Hello Randy,
Your order #123456 has been shipped.

✨ Supported Syntax

Tokens

<<@namespace:key->fn1->fn2@>>[( Fallback )]

Examples

| Syntax | Description | | ----------------------------------- | ------------------------------------- | | <<@user:name@>> | Simple key lookup | | <<@user:name->trim@>> | Applies function to the value | | <<@user:name->trim->capitalize@>> | Chains multiple functions | | <<@order:total->formatCurrency@>> | Function with custom logic | | <<@user:name@>>[(Guest)] | Provides fallback if value is missing |

🔧 Usage

import { TemplateEngine } from "@zenofolio/plynt";

const engine = new TemplateEngine();

engine.addFunction("trim", (val) => val.trim());
engine.addFunction(
  "capitalize",
  (val) => val.charAt(0).toUpperCase() + val.slice(1)
);

const template = "Hello <<@user:name->trim->capitalize@>>[( Guest )]";
const render = engine.build(template);

const output = await render({ user: { name: "   randy " } });
// → Hello Randy

📄 License

MIT — by @zenofolio