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on this file since eed0bf8 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | /* -*- Mode: js; js-indent-level: 2; -*- */
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2 | /*
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3 | * Copyright 2011 Mozilla Foundation and contributors
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4 | * Licensed under the New BSD license. See LICENSE or:
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5 | * http://opensource.org/licenses/BSD-3-Clause
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6 | */
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7 |
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8 | const intToCharMap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");
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9 |
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10 | /**
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11 | * Encode an integer in the range of 0 to 63 to a single base 64 digit.
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12 | */
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13 | exports.encode = function(number) {
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14 | if (0 <= number && number < intToCharMap.length) {
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15 | return intToCharMap[number];
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16 | }
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17 | throw new TypeError("Must be between 0 and 63: " + number);
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18 | };
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