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Description

Use the application environment (application key: :execjs, key: :runtime) to set the runtime Execjs uses. Alternatively, the EXECJS_RUNTIME environment variable can also be used to set the runtime.

Monthly Downloads: 970
Programming language: Elixir
License: Creative Commons Zero v1.0 Universal

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README

Execjs

Build Status Hex.pm Version Hex.pm Download Total

Execjs allows you easily run JavaScript from Elixir. It can automatically pick the best runtime available on the system.

Runtimes

Execjs supports the following runtimes:

Use the application environment (application key: :execjs, key: :runtime) to set the runtime Execjs uses. Alternatively, the EXECJS_RUNTIME environment variable can also be used to set the runtime.

Usage

eval

iex> "'red yellow blue'.split(' ')" |> Execjs.eval
["red", "yellow", "blue"]

compile/call

iex> {source, 0} = System.cmd("curl", ["-fsSL", "--compressed", "https://coffeescript.org/browser-compiler/coffeescript.js"])
iex> context = Execjs.compile(source)
iex> Execjs.call(context, "CoffeeScript.compile", ["square = (x) -> x * x"])
"(function() {\n  var square;\n\n  square = function(x) {\n    return x * x;\n  };\n\n}).call(this);\n"