Socket
Socket
Sign inDemoInstall

pvutils

Package Overview
Dependencies
Maintainers
2
Versions
20
Alerts
File Explorer

Advanced tools

Socket logo

Install Socket

Detect and block malicious and high-risk dependencies

Install

pvutils - npm Package Compare versions

Comparing version 1.0.17 to 1.1.0

build/index.d.ts

1060

build/utils.js

@@ -1,777 +0,359 @@

"use strict";
/*!
Copyright (c) Peculiar Ventures, LLC
*/
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getUTCDate = getUTCDate;
exports.getParametersValue = getParametersValue;
exports.bufferToHexCodes = bufferToHexCodes;
exports.checkBufferParams = checkBufferParams;
exports.utilFromBase = utilFromBase;
exports.utilToBase = utilToBase;
exports.utilConcatBuf = utilConcatBuf;
exports.utilConcatView = utilConcatView;
exports.utilDecodeTC = utilDecodeTC;
exports.utilEncodeTC = utilEncodeTC;
exports.isEqualBuffer = isEqualBuffer;
exports.padNumber = padNumber;
exports.toBase64 = toBase64;
exports.fromBase64 = fromBase64;
exports.arrayBufferToString = arrayBufferToString;
exports.stringToArrayBuffer = stringToArrayBuffer;
exports.nearestPowerOf2 = nearestPowerOf2;
exports.clearProps = clearProps;
//**************************************************************************************
/**
* Making UTC date from local date
* @param {Date} date Date to convert from
* @returns {Date}
*/
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function getUTCDate(date) {
// noinspection NestedFunctionCallJS, MagicNumberJS
return new Date(date.getTime() + date.getTimezoneOffset() * 60000);
return new Date(date.getTime() + (date.getTimezoneOffset() * 60000));
}
//**************************************************************************************
// noinspection FunctionWithMultipleReturnPointsJS
/**
* Get value for input parameters, or set a default value
* @param {Object} parameters
* @param {string} name
* @param defaultValue
*/
function getParametersValue(parameters, name, defaultValue) {
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS
if (parameters instanceof Object === false) return defaultValue;
// noinspection NonBlockStatementBodyJS
if (name in parameters) return parameters[name];
return defaultValue;
if ((parameters instanceof Object) === false) {
return defaultValue;
}
return parameters[name] ?? defaultValue;
}
//**************************************************************************************
/**
* Converts "ArrayBuffer" into a hexdecimal string
* @param {ArrayBuffer} inputBuffer
* @param {number} [inputOffset=0]
* @param {number} [inputLength=inputBuffer.byteLength]
* @param {boolean} [insertSpace=false]
* @returns {string}
*/
function bufferToHexCodes(inputBuffer, inputOffset = 0, inputLength = inputBuffer.byteLength - inputOffset, insertSpace = false) {
let result = "";
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = new Uint8Array(inputBuffer, inputOffset, inputLength)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
const item = _step.value;
// noinspection ChainedFunctionCallJS
const str = item.toString(16).toUpperCase();
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS
if (str.length === 1) result += "0";
result += str;
// noinspection NonBlockStatementBodyJS
if (insertSpace) result += " ";
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return result.trim();
function bufferToHexCodes(inputBuffer, inputOffset = 0, inputLength = (inputBuffer.byteLength - inputOffset), insertSpace = false) {
let result = "";
for (const item of (new Uint8Array(inputBuffer, inputOffset, inputLength))) {
const str = item.toString(16).toUpperCase();
if (str.length === 1) {
result += "0";
}
result += str;
if (insertSpace) {
result += " ";
}
}
return result.trim();
}
//**************************************************************************************
// noinspection JSValidateJSDoc, FunctionWithMultipleReturnPointsJS
/**
* Check input "ArrayBuffer" for common functions
* @param {LocalBaseBlock} baseBlock
* @param {ArrayBuffer} inputBuffer
* @param {number} inputOffset
* @param {number} inputLength
* @returns {boolean}
*/
function checkBufferParams(baseBlock, inputBuffer, inputOffset, inputLength) {
// noinspection ConstantOnRightSideOfComparisonJS
if (inputBuffer instanceof ArrayBuffer === false) {
// noinspection JSUndefinedPropertyAssignment
baseBlock.error = "Wrong parameter: inputBuffer must be \"ArrayBuffer\"";
return false;
}
// noinspection ConstantOnRightSideOfComparisonJS
if (inputBuffer.byteLength === 0) {
// noinspection JSUndefinedPropertyAssignment
baseBlock.error = "Wrong parameter: inputBuffer has zero length";
return false;
}
// noinspection ConstantOnRightSideOfComparisonJS
if (inputOffset < 0) {
// noinspection JSUndefinedPropertyAssignment
baseBlock.error = "Wrong parameter: inputOffset less than zero";
return false;
}
// noinspection ConstantOnRightSideOfComparisonJS
if (inputLength < 0) {
// noinspection JSUndefinedPropertyAssignment
baseBlock.error = "Wrong parameter: inputLength less than zero";
return false;
}
// noinspection ConstantOnRightSideOfComparisonJS
if (inputBuffer.byteLength - inputOffset - inputLength < 0) {
// noinspection JSUndefinedPropertyAssignment
baseBlock.error = "End of input reached before message was fully decoded (inconsistent offset and length values)";
return false;
}
return true;
if (!(inputBuffer instanceof ArrayBuffer)) {
baseBlock.error = "Wrong parameter: inputBuffer must be \"ArrayBuffer\"";
return false;
}
if (!inputBuffer.byteLength) {
baseBlock.error = "Wrong parameter: inputBuffer has zero length";
return false;
}
if (inputOffset < 0) {
baseBlock.error = "Wrong parameter: inputOffset less than zero";
return false;
}
if (inputLength < 0) {
baseBlock.error = "Wrong parameter: inputLength less than zero";
return false;
}
if ((inputBuffer.byteLength - inputOffset - inputLength) < 0) {
baseBlock.error = "End of input reached before message was fully decoded (inconsistent offset and length values)";
return false;
}
return true;
}
//**************************************************************************************
// noinspection FunctionWithMultipleReturnPointsJS
/**
* Convert number from 2^base to 2^10
* @param {Uint8Array} inputBuffer
* @param {number} inputBase
* @returns {number}
*/
function utilFromBase(inputBuffer, inputBase) {
let result = 0;
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS
if (inputBuffer.length === 1) return inputBuffer[0];
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS
for (let i = inputBuffer.length - 1; i >= 0; i--) result += inputBuffer[inputBuffer.length - 1 - i] * Math.pow(2, inputBase * i);
return result;
let result = 0;
if (inputBuffer.length === 1) {
return inputBuffer[0];
}
for (let i = (inputBuffer.length - 1); i >= 0; i--) {
result += inputBuffer[(inputBuffer.length - 1) - i] * Math.pow(2, inputBase * i);
}
return result;
}
//**************************************************************************************
// noinspection FunctionWithMultipleLoopsJS, FunctionWithMultipleReturnPointsJS
/**
* Convert number from 2^10 to 2^base
* @param {!number} value The number to convert
* @param {!number} base The base for 2^base
* @param {number} [reserved=0] Pre-defined number of bytes in output array (-1 = limited by function itself)
* @returns {ArrayBuffer}
*/
function utilToBase(value, base, reserved = -1) {
const internalReserved = reserved;
let internalValue = value;
let result = 0;
let biggest = Math.pow(2, base);
// noinspection ConstantOnRightSideOfComparisonJS
for (let i = 1; i < 8; i++) {
if (value < biggest) {
let retBuf;
// noinspection ConstantOnRightSideOfComparisonJS
if (internalReserved < 0) {
retBuf = new ArrayBuffer(i);
result = i;
} else {
// noinspection NonBlockStatementBodyJS
if (internalReserved < i) return new ArrayBuffer(0);
retBuf = new ArrayBuffer(internalReserved);
result = internalReserved;
}
const retView = new Uint8Array(retBuf);
// noinspection ConstantOnRightSideOfComparisonJS
for (let j = i - 1; j >= 0; j--) {
const basis = Math.pow(2, j * base);
retView[result - j - 1] = Math.floor(internalValue / basis);
internalValue -= retView[result - j - 1] * basis;
}
return retBuf;
}
biggest *= Math.pow(2, base);
}
return new ArrayBuffer(0);
function utilToBase(value, base, reserved = (-1)) {
const internalReserved = reserved;
let internalValue = value;
let result = 0;
let biggest = Math.pow(2, base);
for (let i = 1; i < 8; i++) {
if (value < biggest) {
let retBuf;
if (internalReserved < 0) {
retBuf = new ArrayBuffer(i);
result = i;
}
else {
if (internalReserved < i) {
return (new ArrayBuffer(0));
}
retBuf = new ArrayBuffer(internalReserved);
result = internalReserved;
}
const retView = new Uint8Array(retBuf);
for (let j = (i - 1); j >= 0; j--) {
const basis = Math.pow(2, j * base);
retView[result - j - 1] = Math.floor(internalValue / basis);
internalValue -= (retView[result - j - 1]) * basis;
}
return retBuf;
}
biggest *= Math.pow(2, base);
}
return new ArrayBuffer(0);
}
//**************************************************************************************
// noinspection FunctionWithMultipleLoopsJS
/**
* Concatenate two ArrayBuffers
* @param {...ArrayBuffer} buffers Set of ArrayBuffer
*/
function utilConcatBuf(...buffers) {
//region Initial variables
let outputLength = 0;
let prevLength = 0;
//endregion
//region Calculate output length
// noinspection NonBlockStatementBodyJS
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = buffers[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
const buffer = _step2.value;
outputLength += buffer.byteLength;
} //endregion
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2.return) {
_iterator2.return();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
const retBuf = new ArrayBuffer(outputLength);
const retView = new Uint8Array(retBuf);
var _iteratorNormalCompletion3 = true;
var _didIteratorError3 = false;
var _iteratorError3 = undefined;
try {
for (var _iterator3 = buffers[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
const buffer = _step3.value;
// noinspection NestedFunctionCallJS
retView.set(new Uint8Array(buffer), prevLength);
prevLength += buffer.byteLength;
}
} catch (err) {
_didIteratorError3 = true;
_iteratorError3 = err;
} finally {
try {
if (!_iteratorNormalCompletion3 && _iterator3.return) {
_iterator3.return();
}
} finally {
if (_didIteratorError3) {
throw _iteratorError3;
}
}
}
return retBuf;
let outputLength = 0;
let prevLength = 0;
for (const buffer of buffers) {
outputLength += buffer.byteLength;
}
const retBuf = new ArrayBuffer(outputLength);
const retView = new Uint8Array(retBuf);
for (const buffer of buffers) {
retView.set(new Uint8Array(buffer), prevLength);
prevLength += buffer.byteLength;
}
return retBuf;
}
//**************************************************************************************
// noinspection FunctionWithMultipleLoopsJS
/**
* Concatenate two Uint8Array
* @param {...Uint8Array} views Set of Uint8Array
*/
function utilConcatView(...views) {
//region Initial variables
let outputLength = 0;
let prevLength = 0;
//endregion
//region Calculate output length
// noinspection NonBlockStatementBodyJS
var _iteratorNormalCompletion4 = true;
var _didIteratorError4 = false;
var _iteratorError4 = undefined;
try {
for (var _iterator4 = views[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
const view = _step4.value;
outputLength += view.length;
} //endregion
} catch (err) {
_didIteratorError4 = true;
_iteratorError4 = err;
} finally {
try {
if (!_iteratorNormalCompletion4 && _iterator4.return) {
_iterator4.return();
}
} finally {
if (_didIteratorError4) {
throw _iteratorError4;
}
}
}
const retBuf = new ArrayBuffer(outputLength);
const retView = new Uint8Array(retBuf);
var _iteratorNormalCompletion5 = true;
var _didIteratorError5 = false;
var _iteratorError5 = undefined;
try {
for (var _iterator5 = views[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) {
const view = _step5.value;
retView.set(view, prevLength);
prevLength += view.length;
}
} catch (err) {
_didIteratorError5 = true;
_iteratorError5 = err;
} finally {
try {
if (!_iteratorNormalCompletion5 && _iterator5.return) {
_iterator5.return();
}
} finally {
if (_didIteratorError5) {
throw _iteratorError5;
}
}
}
return retView;
let outputLength = 0;
let prevLength = 0;
for (const view of views) {
outputLength += view.length;
}
const retBuf = new ArrayBuffer(outputLength);
const retView = new Uint8Array(retBuf);
for (const view of views) {
retView.set(view, prevLength);
prevLength += view.length;
}
return retView;
}
//**************************************************************************************
// noinspection FunctionWithMultipleLoopsJS
/**
* Decoding of "two complement" values
* The function must be called in scope of instance of "hexBlock" class ("valueHex" and "warnings" properties must be present)
* @returns {number}
*/
function utilDecodeTC() {
const buf = new Uint8Array(this.valueHex);
// noinspection ConstantOnRightSideOfComparisonJS
if (this.valueHex.byteLength >= 2) {
//noinspection JSBitwiseOperatorUsage, ConstantOnRightSideOfComparisonJS, LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
const condition1 = buf[0] === 0xFF && buf[1] & 0x80;
// noinspection ConstantOnRightSideOfComparisonJS, LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
const condition2 = buf[0] === 0x00 && (buf[1] & 0x80) === 0x00;
// noinspection NonBlockStatementBodyJS
if (condition1 || condition2) this.warnings.push("Needlessly long format");
}
//region Create big part of the integer
const bigIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
const bigIntView = new Uint8Array(bigIntBuffer);
// noinspection NonBlockStatementBodyJS
for (let i = 0; i < this.valueHex.byteLength; i++) bigIntView[i] = 0;
// noinspection MagicNumberJS, NonShortCircuitBooleanExpressionJS
bigIntView[0] = buf[0] & 0x80; // mask only the biggest bit
const bigInt = utilFromBase(bigIntView, 8);
//endregion
//region Create small part of the integer
const smallIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
const smallIntView = new Uint8Array(smallIntBuffer);
// noinspection NonBlockStatementBodyJS
for (let j = 0; j < this.valueHex.byteLength; j++) smallIntView[j] = buf[j];
// noinspection MagicNumberJS
smallIntView[0] &= 0x7F; // mask biggest bit
const smallInt = utilFromBase(smallIntView, 8);
//endregion
return smallInt - bigInt;
const buf = new Uint8Array(this.valueHex);
if (this.valueHex.byteLength >= 2) {
const condition1 = (buf[0] === 0xFF) && (buf[1] & 0x80);
const condition2 = (buf[0] === 0x00) && ((buf[1] & 0x80) === 0x00);
if (condition1 || condition2) {
this.warnings.push("Needlessly long format");
}
}
const bigIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
const bigIntView = new Uint8Array(bigIntBuffer);
for (let i = 0; i < this.valueHex.byteLength; i++) {
bigIntView[i] = 0;
}
bigIntView[0] = (buf[0] & 0x80);
const bigInt = utilFromBase(bigIntView, 8);
const smallIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
const smallIntView = new Uint8Array(smallIntBuffer);
for (let j = 0; j < this.valueHex.byteLength; j++) {
smallIntView[j] = buf[j];
}
smallIntView[0] &= 0x7F;
const smallInt = utilFromBase(smallIntView, 8);
return (smallInt - bigInt);
}
//**************************************************************************************
// noinspection FunctionWithMultipleLoopsJS, FunctionWithMultipleReturnPointsJS
/**
* Encode integer value to "two complement" format
* @param {number} value Value to encode
* @returns {ArrayBuffer}
*/
function utilEncodeTC(value) {
// noinspection ConstantOnRightSideOfComparisonJS, ConditionalExpressionJS
const modValue = value < 0 ? value * -1 : value;
let bigInt = 128;
// noinspection ConstantOnRightSideOfComparisonJS
for (let i = 1; i < 8; i++) {
if (modValue <= bigInt) {
// noinspection ConstantOnRightSideOfComparisonJS
if (value < 0) {
const smallInt = bigInt - modValue;
const retBuf = utilToBase(smallInt, 8, i);
const retView = new Uint8Array(retBuf);
// noinspection MagicNumberJS
retView[0] |= 0x80;
return retBuf;
}
let retBuf = utilToBase(modValue, 8, i);
let retView = new Uint8Array(retBuf);
//noinspection JSBitwiseOperatorUsage, MagicNumberJS, NonShortCircuitBooleanExpressionJS
if (retView[0] & 0x80) {
//noinspection JSCheckFunctionSignatures
const tempBuf = retBuf.slice(0);
const tempView = new Uint8Array(tempBuf);
retBuf = new ArrayBuffer(retBuf.byteLength + 1);
// noinspection ReuseOfLocalVariableJS
retView = new Uint8Array(retBuf);
// noinspection NonBlockStatementBodyJS
for (let k = 0; k < tempBuf.byteLength; k++) retView[k + 1] = tempView[k];
// noinspection MagicNumberJS
retView[0] = 0x00;
}
return retBuf;
}
bigInt *= Math.pow(2, 8);
}
return new ArrayBuffer(0);
const modValue = (value < 0) ? (value * (-1)) : value;
let bigInt = 128;
for (let i = 1; i < 8; i++) {
if (modValue <= bigInt) {
if (value < 0) {
const smallInt = bigInt - modValue;
const retBuf = utilToBase(smallInt, 8, i);
const retView = new Uint8Array(retBuf);
retView[0] |= 0x80;
return retBuf;
}
let retBuf = utilToBase(modValue, 8, i);
let retView = new Uint8Array(retBuf);
if (retView[0] & 0x80) {
const tempBuf = retBuf.slice(0);
const tempView = new Uint8Array(tempBuf);
retBuf = new ArrayBuffer(retBuf.byteLength + 1);
retView = new Uint8Array(retBuf);
for (let k = 0; k < tempBuf.byteLength; k++) {
retView[k + 1] = tempView[k];
}
retView[0] = 0x00;
}
return retBuf;
}
bigInt *= Math.pow(2, 8);
}
return (new ArrayBuffer(0));
}
//**************************************************************************************
// noinspection FunctionWithMultipleReturnPointsJS, ParameterNamingConventionJS
/**
* Compare two array buffers
* @param {!ArrayBuffer} inputBuffer1
* @param {!ArrayBuffer} inputBuffer2
* @returns {boolean}
*/
function isEqualBuffer(inputBuffer1, inputBuffer2) {
// noinspection NonBlockStatementBodyJS
if (inputBuffer1.byteLength !== inputBuffer2.byteLength) return false;
// noinspection LocalVariableNamingConventionJS
const view1 = new Uint8Array(inputBuffer1);
// noinspection LocalVariableNamingConventionJS
const view2 = new Uint8Array(inputBuffer2);
for (let i = 0; i < view1.length; i++) {
// noinspection NonBlockStatementBodyJS
if (view1[i] !== view2[i]) return false;
}
return true;
if (inputBuffer1.byteLength !== inputBuffer2.byteLength) {
return false;
}
const view1 = new Uint8Array(inputBuffer1);
const view2 = new Uint8Array(inputBuffer2);
for (let i = 0; i < view1.length; i++) {
if (view1[i] !== view2[i]) {
return false;
}
}
return true;
}
//**************************************************************************************
// noinspection FunctionWithMultipleReturnPointsJS
/**
* Pad input number with leade "0" if needed
* @returns {string}
* @param {number} inputNumber
* @param {number} fullLength
*/
function padNumber(inputNumber, fullLength) {
const str = inputNumber.toString(10);
// noinspection NonBlockStatementBodyJS
if (fullLength < str.length) return "";
const dif = fullLength - str.length;
const padding = new Array(dif);
// noinspection NonBlockStatementBodyJS
for (let i = 0; i < dif; i++) padding[i] = "0";
const paddingString = padding.join("");
return paddingString.concat(str);
const str = inputNumber.toString(10);
if (fullLength < str.length) {
return "";
}
const dif = fullLength - str.length;
const padding = new Array(dif);
for (let i = 0; i < dif; i++) {
padding[i] = "0";
}
const paddingString = padding.join("");
return paddingString.concat(str);
}
//**************************************************************************************
const base64Template = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
const base64UrlTemplate = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=";
//**************************************************************************************
// noinspection FunctionWithMultipleLoopsJS, OverlyComplexFunctionJS, FunctionTooLongJS, FunctionNamingConventionJS
/**
* Encode string into BASE64 (or "base64url")
* @param {string} input
* @param {boolean} useUrlTemplate If "true" then output would be encoded using "base64url"
* @param {boolean} skipPadding Skip BASE-64 padding or not
* @param {boolean} skipLeadingZeros Skip leading zeros in input data or not
* @returns {string}
*/
function toBase64(input, useUrlTemplate = false, skipPadding = false, skipLeadingZeros = false) {
let i = 0;
// noinspection LocalVariableNamingConventionJS
let flag1 = 0;
// noinspection LocalVariableNamingConventionJS
let flag2 = 0;
let output = "";
// noinspection ConditionalExpressionJS
const template = useUrlTemplate ? base64UrlTemplate : base64Template;
if (skipLeadingZeros) {
let nonZeroPosition = 0;
for (let i = 0; i < input.length; i++) {
// noinspection ConstantOnRightSideOfComparisonJS
if (input.charCodeAt(i) !== 0) {
nonZeroPosition = i;
// noinspection BreakStatementJS
break;
}
}
// noinspection AssignmentToFunctionParameterJS
input = input.slice(nonZeroPosition);
}
while (i < input.length) {
// noinspection LocalVariableNamingConventionJS, IncrementDecrementResultUsedJS
const chr1 = input.charCodeAt(i++);
// noinspection NonBlockStatementBodyJS
if (i >= input.length) flag1 = 1;
// noinspection LocalVariableNamingConventionJS, IncrementDecrementResultUsedJS
const chr2 = input.charCodeAt(i++);
// noinspection NonBlockStatementBodyJS
if (i >= input.length) flag2 = 1;
// noinspection LocalVariableNamingConventionJS, IncrementDecrementResultUsedJS
const chr3 = input.charCodeAt(i++);
// noinspection LocalVariableNamingConventionJS
const enc1 = chr1 >> 2;
// noinspection LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
const enc2 = (chr1 & 0x03) << 4 | chr2 >> 4;
// noinspection LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
let enc3 = (chr2 & 0x0F) << 2 | chr3 >> 6;
// noinspection LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
let enc4 = chr3 & 0x3F;
// noinspection ConstantOnRightSideOfComparisonJS
if (flag1 === 1) {
// noinspection NestedAssignmentJS, AssignmentResultUsedJS, MagicNumberJS
enc3 = enc4 = 64;
} else {
// noinspection ConstantOnRightSideOfComparisonJS
if (flag2 === 1) {
// noinspection MagicNumberJS
enc4 = 64;
}
}
// noinspection NonBlockStatementBodyJS
if (skipPadding) {
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS, MagicNumberJS
if (enc3 === 64) output += `${template.charAt(enc1)}${template.charAt(enc2)}`;else {
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS, MagicNumberJS
if (enc4 === 64) output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}`;else output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
}
} else output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
}
return output;
let i = 0;
let flag1 = 0;
let flag2 = 0;
let output = "";
const template = (useUrlTemplate) ? base64UrlTemplate : base64Template;
if (skipLeadingZeros) {
let nonZeroPosition = 0;
for (let i = 0; i < input.length; i++) {
if (input.charCodeAt(i) !== 0) {
nonZeroPosition = i;
break;
}
}
input = input.slice(nonZeroPosition);
}
while (i < input.length) {
const chr1 = input.charCodeAt(i++);
if (i >= input.length) {
flag1 = 1;
}
const chr2 = input.charCodeAt(i++);
if (i >= input.length) {
flag2 = 1;
}
const chr3 = input.charCodeAt(i++);
const enc1 = chr1 >> 2;
const enc2 = ((chr1 & 0x03) << 4) | (chr2 >> 4);
let enc3 = ((chr2 & 0x0F) << 2) | (chr3 >> 6);
let enc4 = chr3 & 0x3F;
if (flag1 === 1) {
enc3 = enc4 = 64;
}
else {
if (flag2 === 1) {
enc4 = 64;
}
}
if (skipPadding) {
if (enc3 === 64) {
output += `${template.charAt(enc1)}${template.charAt(enc2)}`;
}
else {
if (enc4 === 64) {
output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}`;
}
else {
output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
}
}
}
else {
output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
}
}
return output;
}
//**************************************************************************************
// noinspection FunctionWithMoreThanThreeNegationsJS, FunctionWithMultipleLoopsJS, OverlyComplexFunctionJS, FunctionNamingConventionJS
/**
* Decode string from BASE64 (or "base64url")
* @param {string} input
* @param {boolean} [useUrlTemplate=false] If "true" then output would be encoded using "base64url"
* @param {boolean} [cutTailZeros=false] If "true" then cut tailing zeroz from function result
* @returns {string}
*/
function fromBase64(input, useUrlTemplate = false, cutTailZeros = false) {
// noinspection ConditionalExpressionJS
const template = useUrlTemplate ? base64UrlTemplate : base64Template;
//region Aux functions
// noinspection FunctionWithMultipleReturnPointsJS, NestedFunctionJS
function indexof(toSearch) {
// noinspection ConstantOnRightSideOfComparisonJS, MagicNumberJS
for (let i = 0; i < 64; i++) {
// noinspection NonBlockStatementBodyJS
if (template.charAt(i) === toSearch) return i;
}
// noinspection MagicNumberJS
return 64;
}
// noinspection NestedFunctionJS
function test(incoming) {
// noinspection ConstantOnRightSideOfComparisonJS, ConditionalExpressionJS, MagicNumberJS
return incoming === 64 ? 0x00 : incoming;
}
//endregion
let i = 0;
let output = "";
while (i < input.length) {
// noinspection NestedFunctionCallJS, LocalVariableNamingConventionJS, IncrementDecrementResultUsedJS
const enc1 = indexof(input.charAt(i++));
// noinspection NestedFunctionCallJS, LocalVariableNamingConventionJS, ConditionalExpressionJS, MagicNumberJS, IncrementDecrementResultUsedJS
const enc2 = i >= input.length ? 0x00 : indexof(input.charAt(i++));
// noinspection NestedFunctionCallJS, LocalVariableNamingConventionJS, ConditionalExpressionJS, MagicNumberJS, IncrementDecrementResultUsedJS
const enc3 = i >= input.length ? 0x00 : indexof(input.charAt(i++));
// noinspection NestedFunctionCallJS, LocalVariableNamingConventionJS, ConditionalExpressionJS, MagicNumberJS, IncrementDecrementResultUsedJS
const enc4 = i >= input.length ? 0x00 : indexof(input.charAt(i++));
// noinspection LocalVariableNamingConventionJS, NonShortCircuitBooleanExpressionJS
const chr1 = test(enc1) << 2 | test(enc2) >> 4;
// noinspection LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
const chr2 = (test(enc2) & 0x0F) << 4 | test(enc3) >> 2;
// noinspection LocalVariableNamingConventionJS, MagicNumberJS, NonShortCircuitBooleanExpressionJS
const chr3 = (test(enc3) & 0x03) << 6 | test(enc4);
output += String.fromCharCode(chr1);
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS, MagicNumberJS
if (enc3 !== 64) output += String.fromCharCode(chr2);
// noinspection ConstantOnRightSideOfComparisonJS, NonBlockStatementBodyJS, MagicNumberJS
if (enc4 !== 64) output += String.fromCharCode(chr3);
}
if (cutTailZeros) {
const outputLength = output.length;
let nonZeroStart = -1;
// noinspection ConstantOnRightSideOfComparisonJS
for (let i = outputLength - 1; i >= 0; i--) {
// noinspection ConstantOnRightSideOfComparisonJS
if (output.charCodeAt(i) !== 0) {
nonZeroStart = i;
// noinspection BreakStatementJS
break;
}
}
// noinspection NonBlockStatementBodyJS, NegatedIfStatementJS
if (nonZeroStart !== -1) output = output.slice(0, nonZeroStart + 1);else output = "";
}
return output;
const template = (useUrlTemplate) ? base64UrlTemplate : base64Template;
function indexOf(toSearch) {
for (let i = 0; i < 64; i++) {
if (template.charAt(i) === toSearch)
return i;
}
return 64;
}
function test(incoming) {
return ((incoming === 64) ? 0x00 : incoming);
}
let i = 0;
let output = "";
while (i < input.length) {
const enc1 = indexOf(input.charAt(i++));
const enc2 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
const enc3 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
const enc4 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
const chr1 = (test(enc1) << 2) | (test(enc2) >> 4);
const chr2 = ((test(enc2) & 0x0F) << 4) | (test(enc3) >> 2);
const chr3 = ((test(enc3) & 0x03) << 6) | test(enc4);
output += String.fromCharCode(chr1);
if (enc3 !== 64) {
output += String.fromCharCode(chr2);
}
if (enc4 !== 64) {
output += String.fromCharCode(chr3);
}
}
if (cutTailZeros) {
const outputLength = output.length;
let nonZeroStart = (-1);
for (let i = (outputLength - 1); i >= 0; i--) {
if (output.charCodeAt(i) !== 0) {
nonZeroStart = i;
break;
}
}
if (nonZeroStart !== (-1)) {
output = output.slice(0, nonZeroStart + 1);
}
else {
output = "";
}
}
return output;
}
//**************************************************************************************
function arrayBufferToString(buffer) {
let resultString = "";
const view = new Uint8Array(buffer);
// noinspection NonBlockStatementBodyJS
var _iteratorNormalCompletion6 = true;
var _didIteratorError6 = false;
var _iteratorError6 = undefined;
try {
for (var _iterator6 = view[Symbol.iterator](), _step6; !(_iteratorNormalCompletion6 = (_step6 = _iterator6.next()).done); _iteratorNormalCompletion6 = true) {
const element = _step6.value;
resultString += String.fromCharCode(element);
}
} catch (err) {
_didIteratorError6 = true;
_iteratorError6 = err;
} finally {
try {
if (!_iteratorNormalCompletion6 && _iterator6.return) {
_iterator6.return();
}
} finally {
if (_didIteratorError6) {
throw _iteratorError6;
}
}
}
return resultString;
let resultString = "";
const view = new Uint8Array(buffer);
for (const element of view) {
resultString += String.fromCharCode(element);
}
return resultString;
}
//**************************************************************************************
function stringToArrayBuffer(str) {
const stringLength = str.length;
const resultBuffer = new ArrayBuffer(stringLength);
const resultView = new Uint8Array(resultBuffer);
// noinspection NonBlockStatementBodyJS
for (let i = 0; i < stringLength; i++) resultView[i] = str.charCodeAt(i);
return resultBuffer;
const stringLength = str.length;
const resultBuffer = new ArrayBuffer(stringLength);
const resultView = new Uint8Array(resultBuffer);
for (let i = 0; i < stringLength; i++) {
resultView[i] = str.charCodeAt(i);
}
return resultBuffer;
}
//**************************************************************************************
const log2 = Math.log(2);
//**************************************************************************************
// noinspection FunctionNamingConventionJS
/**
* Get nearest to input length power of 2
* @param {number} length Current length of existing array
* @returns {number}
*/
function nearestPowerOf2(length) {
const base = Math.log(length) / log2;
const floor = Math.floor(base);
const round = Math.round(base);
// noinspection ConditionalExpressionJS
return floor === round ? floor : round;
const base = (Math.log(length) / log2);
const floor = Math.floor(base);
const round = Math.round(base);
return ((floor === round) ? floor : round);
}
//**************************************************************************************
/**
* Delete properties by name from specified object
* @param {Object} object Object to delete properties from
* @param {Array.<string>} propsArray Array of properties names
*/
function clearProps(object, propsArray) {
var _iteratorNormalCompletion7 = true;
var _didIteratorError7 = false;
var _iteratorError7 = undefined;
for (const prop of propsArray) {
delete object[prop];
}
}
try {
for (var _iterator7 = propsArray[Symbol.iterator](), _step7; !(_iteratorNormalCompletion7 = (_step7 = _iterator7.next()).done); _iteratorNormalCompletion7 = true) {
const prop = _step7.value;
delete object[prop];
}
} catch (err) {
_didIteratorError7 = true;
_iteratorError7 = err;
} finally {
try {
if (!_iteratorNormalCompletion7 && _iterator7.return) {
_iterator7.return();
}
} finally {
if (_didIteratorError7) {
throw _iteratorError7;
}
}
}
}
//**************************************************************************************
//# sourceMappingURL=utils.js.map
exports.arrayBufferToString = arrayBufferToString;
exports.bufferToHexCodes = bufferToHexCodes;
exports.checkBufferParams = checkBufferParams;
exports.clearProps = clearProps;
exports.fromBase64 = fromBase64;
exports.getParametersValue = getParametersValue;
exports.getUTCDate = getUTCDate;
exports.isEqualBuffer = isEqualBuffer;
exports.nearestPowerOf2 = nearestPowerOf2;
exports.padNumber = padNumber;
exports.stringToArrayBuffer = stringToArrayBuffer;
exports.toBase64 = toBase64;
exports.utilConcatBuf = utilConcatBuf;
exports.utilConcatView = utilConcatView;
exports.utilDecodeTC = utilDecodeTC;
exports.utilEncodeTC = utilEncodeTC;
exports.utilFromBase = utilFromBase;
exports.utilToBase = utilToBase;

@@ -10,2 +10,6 @@ {

"name": "Ryan Hurst"
},
{
"email": "microshine@mail.ru",
"name": "Miroshin Stepan"
}

@@ -22,23 +26,36 @@ ],

"scripts": {
"prepublishOnly": "npm run build",
"build": "babel src --compact=false --out-dir build --source-maps",
"watch": "babel src --compact=false --out-dir build --source-maps --watch",
"test": "cross-env NODE_ENV=test nyc mocha --require babel-register --require babel-polyfill"
"prepare": "npm run build",
"test": "mocha",
"lint": "eslint . --ext .ts",
"lint:fix": "eslint --fix . --ext .ts",
"build": "rollup -c",
"coverage": "nyc npm test",
"coveralls": "nyc report --reporter=text-lcov | coveralls"
},
"jsnext:main": "./src/utils.js",
"module": "./src/utils.js",
"files": [
"build",
"README.md",
"LICENSE"
],
"module": "./build/utils.es.js",
"main": "./build/utils.js",
"types": "./build/index.d.ts",
"devDependencies": {
"babel-cli": "latest",
"mocha": "^3.0.2",
"nyc": "^11.6.0",
"cross-env": "^5.1.4",
"babel-plugin-istanbul": "^4.1.5",
"babel-preset-env": "latest",
"babel-polyfill": "^6.26.0",
"eslint": "^4.19.1"
"@types/mocha": "^9.1.0",
"@types/node": "^17.0.19",
"@typescript-eslint/eslint-plugin": "^5.12.1",
"@typescript-eslint/parser": "^5.12.1",
"eslint": "^8.9.0",
"eslint-plugin-import": "^2.25.4",
"mocha": "^9.2.1",
"nyc": "^15.1.0",
"rollup": "2.68.0",
"rollup-plugin-dts": "^4.1.0",
"rollup-plugin-typescript2": "^0.31.2",
"ts-node": "^10.5.0",
"typescript": "^4.5.5"
},
"name": "pvutils",
"version": "1.0.17",
"version": "1.1.0",
"license": "MIT"
}
# pvutils
[![CircleCI](https://circleci.com/gh/PeculiarVentures/pvutils.svg?style=svg)](https://circleci.com/gh/PeculiarVentures/pvutils) [![Coverage Status](https://coveralls.io/repos/github/PeculiarVentures/pvutils/badge.svg?branch=master)](https://coveralls.io/github/PeculiarVentures/pvutils?branch=master)
[![test](https://github.com/PeculiarVentures/pvutils/actions/workflows/test.yml/badge.svg)](https://github.com/PeculiarVentures/pvutils/actions/workflows/test.yml)
[![Coverage Status](https://coveralls.io/repos/github/PeculiarVentures/pvutils/badge.svg?branch=master)](https://coveralls.io/github/PeculiarVentures/pvutils?branch=master)
`pvutils` is a set of common utility functions used in various Peculiar Ventures Javascript based projects.
`pvutils` is a set of common utility functions used in various Peculiar Ventures Javascript based projects.

@@ -7,0 +8,0 @@ Some example capabilities included in `pvutils` include:

Sorry, the diff of this file is not supported yet

SocketSocket SOC 2 Logo

Product

  • Package Alerts
  • Integrations
  • Docs
  • Pricing
  • FAQ
  • Roadmap
  • Changelog

Packages

npm

Stay in touch

Get open source security insights delivered straight into your inbox.


  • Terms
  • Privacy
  • Security

Made with ⚡️ by Socket Inc