32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
'use strict';
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import test from 'node:test';
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import assert from 'node:assert/strict';
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import {
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wheelDeltaFromInput,
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containsMouseSequence,
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stripMouseSequences,
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} from '../src/ui/mouse.js';
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test('decodes SGR wheel direction', () => {
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assert.equal(wheelDeltaFromInput('\x1b[<64;88;20M'), -1);
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assert.equal(wheelDeltaFromInput('[<65;88;20M'), 1);
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// Some terminals add modifier bits to the button code.
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assert.equal(wheelDeltaFromInput('[<96;88;20M'), -1);
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assert.equal(wheelDeltaFromInput('[<97;88;20M'), 1);
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});
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test('ignores non-wheel and incomplete mouse input', () => {
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assert.equal(wheelDeltaFromInput('[<0;1;1M'), 0);
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assert.equal(wheelDeltaFromInput('[<64;1;1'), 0);
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assert.equal(wheelDeltaFromInput('hello'), 0);
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});
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test('removes mouse reports without dropping surrounding text', () => {
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const value = 'before\x1b[<65;88;20Mafter';
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assert.equal(containsMouseSequence(value), true);
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assert.equal(stripMouseSequences(value), 'beforeafter');
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assert.equal(stripMouseSequences('plain text'), 'plain text');
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});
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