30 lines
829 B
JavaScript
30 lines
829 B
JavaScript
import { codeFrameColumns } from "@babel/code-frame";
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import indexToPosition from "index-to-position";
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const codeFrameColumnsOptions = {
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linesAbove: Number.POSITIVE_INFINITY,
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linesBelow: Number.POSITIVE_INFINITY,
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};
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const locationForRange = (text, range) => {
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const [start, end] = [...range]
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.sort((indexA, indexB) => indexA - indexB)
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.map((index) => indexToPosition(text, index, { oneBased: true }));
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if (start.line !== end.line) {
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end.column -= 1;
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}
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return { start, end };
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};
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const visualizeRange = (text, { rangeStart = 0, rangeEnd = text.length }) =>
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codeFrameColumns(
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text,
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locationForRange(text, [rangeStart, rangeEnd]),
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rangeStart > rangeEnd
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? { ...codeFrameColumnsOptions, message: "[Reversed range]" }
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: codeFrameColumnsOptions,
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);
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export default visualizeRange;
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