| 1 | 'use strict';
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.getbit = getbit;
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| 7 | var MAX_OFFSET = Math.pow(2, 32) - 1;
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| 8 |
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| 9 | function getbit(key, offset) {
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| 10 | if (offset > MAX_OFFSET) throw new Error('ERR bit offset is not an integer or out of range');
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| 11 | if (!this.data.has(key)) return 0;
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| 12 | var current = this.data.get(key);
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| 13 | if (offset > current.length * 8) return 0;
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| 14 |
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| 15 | var byteOffset = parseInt(offset / 8, 10);
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| 16 | var shift = 7 - offset % 8;
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| 17 |
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| 18 | return current.charCodeAt(byteOffset) >> shift & 1;
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| 19 | } |
| \ | No newline at end of file |