babel-template

Generate an AST from a string template.

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babel-template
Generate an AST from a string template.

In computer science, this is known as an implementation of quasiquotes.

Install

npm install --save-dev babel-template

Usage

import template from "babel-template";
import generate from "babel-generator";
import * as t from "babel-types";

const buildRequire = template(`
  var IMPORT_NAME = require(SOURCE);
`);

const ast = buildRequire({
  IMPORT_NAME: t.identifier("myModule"),
  SOURCE: t.stringLiteral("my-module")
});

console.log(generate(ast).code);

const myModule = require("my-module");

API

template(code, [opts])

code

Type: string

options

babel-template accepts all of the options from babylon, and specifies some defaults of its own:
  • allowReturnOutsideFunction is set to true by default.
  • allowSuperOutsideMethod is set to true by default.
preserveComments
Type: boolean Default: false
Set this to true to preserve any comments from the code parameter.

Return value

babel-template returns a function which is invoked with an optional object of replacements. See the usage section for an example.