17 lines
557 B
TypeScript
17 lines
557 B
TypeScript
/**
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* Copyright (c) 2021 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import { IBufferRange } from 'xterm';
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export function getRangeLength(range: IBufferRange, cols: number): number {
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if (range.start.y === range.end.y) {
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return range.end.x - range.start.x + 1;
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}
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if (range.start.y > range.end.y) {
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throw new Error(`Buffer range end (${range.end.x}, ${range.end.y}) cannot be before start (${range.start.x}, ${range.start.y})`);
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}
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return cols * (range.end.y - range.start.y - 1) + cols - range.start.x + range.end.x;
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}
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