pvutils - npm Package Compare versions

Comparing version 1.0.6 to 1.0.7

package.json

@@ -29,4 +29,4 @@ {
   "name": "pvutils",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "license": "MIT"
 }

src/utils.js

@@ -341,5 +341,6 @@ //**************************************************************************************
  * @param {boolean} skipPadding Skip BASE-64 padding or not
+ * @param {boolean} skipLeadingZeros Skip leading zeros in input data or not
  * @returns {string}
  */
-export function toBase64(input, useUrlTemplate = false, skipPadding = false)
+export function toBase64(input, useUrlTemplate = false, skipPadding = false, skipLeadingZeros = false)
 {
@@ -355,2 +356,18 @@ let i = 0;
 	
+	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)
@@ -513,1 +530,113 @@ {
 //**************************************************************************************
+//region GeneratorDriver's related functions
+//**************************************************************************************
+const isGenerator = generator =>
+{
+	if(typeof generator === "undefined")
+		return false;
+	
+	return ((typeof generator.next === "function") && (typeof generator.throw === "function"));
+};
+//**************************************************************************************
+const isGeneratorFunction = generator =>
+{
+	if(typeof generator === "undefined")
+		return false;
+	
+	const constructor = generator.constructor;
+	
+	if(!constructor)
+		return false;
+	
+	if((constructor.name === "GeneratorFunction") || (constructor.displayName === "GeneratorFunction"))
+		return true;
+	
+	return isGenerator(generator);
+};
+//**************************************************************************************
+/**
+ * Simple "generator's driver" inspired by "https://github.com/tj/co".
+ * @param {Generator|GeneratorFunction} generatorInstance
+ * @returns {Promise}
+ */
+export function generatorsDriver(generatorInstance)
+{
+	//region Check that we do have instance of "Generator" as input
+	if(!isGenerator(generatorInstance))
+	{
+		if(isGeneratorFunction(generatorInstance))
+			generatorInstance = generatorInstance();
+		else
+			throw new Error("Only generator instance of generator function is a valid input");
+	}
+	//endregion
+	
+	return new Promise((resolve, reject) =>
+	{
+		/**
+		 * Driver function called on "reject" status in Promises
+		 * @param {*} error
+		 * @returns {*}
+		 */
+		const onReject = error =>
+		{
+			let result;
+			
+			try
+			{
+				result = generatorInstance.throw(error);
+			}
+			catch(ex)
+			{
+				return reject(ex);
+			}
+			
+			return callback(result);
+		};
+		
+		/**
+		 * Main driver function
+		 * @param {*} [result]
+		 * @returns {*}
+		 */
+		const callback = result =>
+		{
+			/**
+			 * @type Object
+			 * @property {boolean} done
+			 * @property {*} value
+			 */
+			let generatorResult;
+			
+			try
+			{
+				generatorResult = generatorInstance.next(result);
+			}
+			catch(ex)
+			{
+				return reject(ex);
+			}
+			
+			switch(true)
+			{
+				case (generatorResult.value instanceof Promise):
+					return ((generatorResult.done) ? resolve(generatorResult.value) : generatorResult.value.then(callback, onReject));
+				case isGeneratorFunction(generatorResult.value):
+				case isGenerator(generatorResult.value):
+					return ((generatorResult.done) ? generatorsDriver(generatorResult.value).then(driverResult =>
+						{
+							resolve(driverResult);
+						}, onReject) : generatorsDriver(generatorResult.value).then(callback, onReject));
+				case (typeof generatorResult.value === "function"):
+					generatorResult.value = generatorResult.value();
+				default:
+					return (generatorResult.done) ? resolve(generatorResult.value) : callback(generatorResult.value);
+			}
+		};
+		
+		callback();
+	});
+}
+//**************************************************************************************
+//endregion
+//**************************************************************************************

Fixed alerts

No README

Quality

Package does not have a README. This may indicate a failed publish or a low quality package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

18805

increased by26.32%

Number of package files

6

increased by50%

Lines of code

541

increased by26.7%

Number of medium quality alerts

0

decreased by-100%

Number of lines in readme file

12

increased byInfinity%

No dependency changes