embedded-ts

Embedded TS (ETS)

A port of EJS to support embedded TypeScript.

Usage

import * as ets from 'embedded-ts';

console.log(
  await ets.render(`
    <%
      let x: string
      x = "hello";
    %>
    <%= x %>
  `)
);

// Outputs: "hello"

Differences from EJS

• For simplicity and consistency, all render functions are now asynchronous, so there is no async option. This also means that include functions now return promises, so to include another .ets file, you must use await include('path/to/ets/file').

• Because this package depends on esbuild to transpile TypeScript code, it's suboptimal to provide client-accessible functions since that would require loading esbuild into a browser. Thus, there is no client option in ETS.

• The with statement is now always used internally to expose provided data to the template. Thus, the _with and destructuredLocals options have been removed.

• The strict option has been removed; all templates are now executed in the context of a strict-mode asynchronous IIFE.

• The option to set global delimiters, opening brackets, and closing brackets through ets.delimiter = '?' has been removed. Instead, pass the delimiter to each render function or create a wrapper function.