licofi v1.2.0

licofi

Micro library for converting index in a string to line/column and back

API

LineColumnFinder(sourceString, options = {})

Options

LineColumnFinder.fromIndex(index)

Convert index to line/column. Provided index should be zero-based.

Example return value:

{line: 1, column: 5}

LineColumnFinder.fromLineColumn({line, column})

Convert line/column to index in source string. Returned index is zero-based.

Example

import {LineColumnFinder} from "licofi";
// or
const {LineColumnFinder} = require("licofi");

const string = "Hello\nWorld\n!";
const finder = new LineColumnFinder(string);

finder.fromIndex(6)
// -> {line: 2, column: 1}

finder.fromLineColumn({line: 2, column: 1})
// -> 6

Benchmarks

Columns

Aborted means that library did not finish that benchmark within 10 seconds

very short text (10 lines), 344 queries

short text (100 lines), 3988 queries

medium text (1000 lines), 48598 queries

long text (10000 lines), 50000 queries

very long text (100000 lines), 50000 queries