Sha256: 003b80f38c4a6156f9767487ccca98b39a57e2510af0305db55b3ec91db88ecd
Contents?: true
Size: 1.9 KB
Versions: 4
Compression:
Stored size: 1.9 KB
Contents
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.vlq = {})));
}(this, (function (exports) { 'use strict';
var charToInteger = {};
var integerToChar = {};
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='.split('').forEach(function (char, i) {
charToInteger[char] = i;
integerToChar[i] = char;
});
function decode(string) {
var result = [];
var shift = 0;
var value = 0;
for (var i = 0; i < string.length; i += 1) {
var integer = charToInteger[string[i]];
if (integer === undefined) {
throw new Error('Invalid character (' + string[i] + ')');
}
var hasContinuationBit = integer & 32;
integer &= 31;
value += integer << shift;
if (hasContinuationBit) {
shift += 5;
}
else {
var shouldNegate = value & 1;
value >>= 1;
result.push(shouldNegate ? -value : value);
// reset
value = shift = 0;
}
}
return result;
}
function encode(value) {
var result;
if (typeof value === 'number') {
result = encodeInteger(value);
}
else {
result = '';
for (var i = 0; i < value.length; i += 1) {
result += encodeInteger(value[i]);
}
}
return result;
}
function encodeInteger(num) {
var result = '';
if (num < 0) {
num = (-num << 1) | 1;
}
else {
num <<= 1;
}
do {
var clamped = num & 31;
num >>= 5;
if (num > 0) {
clamped |= 32;
}
result += integerToChar[clamped];
} while (num > 0);
return result;
}
exports.decode = decode;
exports.encode = encode;
Object.defineProperty(exports, '__esModule', { value: true });
})));
Version data entries
4 entries across 4 versions & 1 rubygems