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@jridgewell/sourcemap-codec

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@jridgewell/sourcemap-codec

Encode/decode sourcemap mappings

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What is @jridgewell/sourcemap-codec?

The @jridgewell/sourcemap-codec npm package is a library designed to encode and decode the mappings of a source map, which is a data format that provides a way to associate the original source code with the generated code. This is particularly useful for debugging minified code or transpiled code in a browser's developer tools.

What are @jridgewell/sourcemap-codec's main functionalities?

Encoding source map mappings

This feature allows you to encode an array of source map mappings into a compact string representation, which can be used in a source map file.

const { encode } = require('@jridgewell/sourcemap-codec');
const mappings = [
  [1, 2, 3, 4, 5],
  [0, 0, 0, 0, 0],
  [1, 2, 3, 4, 5, 6]
];
const encodedMappings = encode(mappings);

Decoding source map mappings

This feature allows you to decode a string representation of source map mappings back into an array format, which can be manipulated or inspected in JavaScript.

const { decode } = require('@jridgewell/sourcemap-codec');
const encodedMappings = 'AAAA,CAAC,CAAC,EAAE,CAAC;';
const decodedMappings = decode(encodedMappings);

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Package last updated on 09 Jul 2024

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