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vfile-location

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vfile-location

vfile utility to convert between positional (line and column-based) and offset (range-based) locations


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increased by2.23%
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What is vfile-location?

The vfile-location npm package is a utility tool for working with virtual file objects, specifically designed to map positions in a virtual file to line and column-based locations. This is particularly useful when dealing with transformations or manipulations of text where tracking positions within the original and modified content is necessary.

What are vfile-location's main functionalities?

Location Mapping

This feature allows you to convert between line and column-based locations and absolute positions within a file's content. The `toOffset` method converts a line and column object to a zero-based offset, and the `toPoint` method converts an offset back to a line and column object.

const vfileLocation = require('vfile-location');
const text = 'Hello\nWorld';
const location = vfileLocation(text);

// Get position from line and column
const offset = location.toOffset({line: 2, column: 1}); // Returns 7

// Get line and column from position
const point = location.toPoint(offset); // Returns {line: 2, column: 1}

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Package last updated on 15 Jul 2024

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