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@babel/code-frame

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@babel/code-frame

Generate errors that contain a code frame that point to source locations.


Version published
Maintainers
6
Weekly downloads
59,582,434
decreased by-5.56%

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Package description

What is @babel/code-frame?

The @babel/code-frame package is used to generate a string representing code with a specific error highlighted. It is often used to produce more readable error messages in development tools by showing the code snippet where an error has occurred along with line and column numbers.

What are @babel/code-frame's main functionalities?

Highlighting syntax errors in code

This feature allows developers to highlight syntax errors in their code. The code sample shows how to use the codeFrameColumns function to generate a string that highlights the location of an error in the source code.

const { codeFrameColumns } = require('@babel/code-frame');
const rawLines = `class Foo {
  constructor()
}
`;
const location = { start: { line: 2, column: 15 } };

const result = codeFrameColumns(rawLines, location, {
  highlightCode: true
});

console.log(result);

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Source

@babel/code-frame

Generate errors that contain a code frame that point to source locations.

See our website @babel/code-frame for more information.

Install

Using npm:

npm install --save-dev @babel/code-frame

or using yarn:

yarn add @babel/code-frame --dev

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Last updated on 13 Jan 2020

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