deassert

Deassert

Allows for programming with assertions/invariant-based programming during development without slowing down production.

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Tidelift is working with the maintainers of deassert and a growing network of open source maintainers to ensure your open source software supply chain meets enterprise standards now and into the future. Learn more.

Installation

# Install with npm
npm install -D deassert

# Install with pnpm
pnpm add -D deassert

# Install with yarn
yarn add -D deassert

# Install with bun
bun add -D deassert

Usage

API

import deassert from "deassert";

const result = deassert(code, options);
console.log(result.code);

Options

modules

An array of modules to be considered assert modules. These modules will be what is stripped out.

default

["assert", "assert/strict", "node:assert", "node:assert/strict"];

sourceMap

Determines if a source map should be generated.

MagicString source map options can be passed in.

default

false

If true is passed, then these options will be used:

{
  "hires": true,
}

ast

The AST of the code that is passed in.

Providing this is optional, but if you have the AST already then we can use that instead of generating our own.

default

undefined

acornOptions

The options provided to Acorn to parse the input code. These are not used if an AST is provided.

default

{
  "sourceType": "module",
  "ecmaVersion": "latest",
}