35 lines
927 B
JavaScript
35 lines
927 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, rangeStart, rangeEnd) => {
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if (rangeStart > rangeEnd) {
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[rangeStart, rangeEnd] = [rangeEnd, rangeStart];
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}
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const start = indexToPosition(text, rangeStart, { oneBased: true });
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const end = indexToPosition(text, rangeEnd, { 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 {
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start,
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end,
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};
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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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