utf8-byte-length - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

browser.js

		'use strict';

		function isHighSurrogate(codePoint) {
		return codePoint >= 0xd800 && codePoint <= 0xdbff;
		}

		function isLowSurrogate(codePoint) {
		return codePoint >= 0xdc00 && codePoint <= 0xdfff;
		}

		// Truncate string by size in bytes
		@@ -11,9 +19,16 @@ module.exports = function getByteLength(string) {
		var byteLength = 0;
		var codePoint = null;
		var prevCodePoint = null;
		for (var i = 0; i < charLength; i++) {
		var codePoint = string.charCodeAt(i);
		codePoint = string.charCodeAt(i);
		// handle 4-byte non-BMP chars
		// low surrogate
		if (codePoint >= 0xdc00 && codePoint <= 0xdfff) {
		if (isLowSurrogate(codePoint)) {
		// when parsing previous hi-surrogate, 3 is added to byteLength
		byteLength += 1;
		if (prevCodePoint != null && isHighSurrogate(prevCodePoint)) {
		byteLength += 1;
		}
		else {
		byteLength += 3;
		}
		}
		@@ -29,2 +44,3 @@ else if (codePoint <= 0x7f ) {
		}
		prevCodePoint = codePoint;
		}
		@@ -31,0 +47,0 @@

package.json

		{
		"name": "utf8-byte-length",
		"version": "1.0.0",
		"version": "1.0.1",
		"description": "Get byte length of utf8 string",
		@@ -5,0 +5,0 @@ "main": "index.js",

test.js

		@@ -27,2 +27,6 @@ "use strict";


		// 8-byte, 4-character string
		var THUMB = "👍🏽";

		// Tests run against both implementations
		@@ -38,2 +42,10 @@ [getLength, browserGetLength].forEach(function(getLength) {
		[repeat("a", 252) + '\uD800\uDC00', 256],
		[THUMB, 8],
		[THUMB[0], 3],
		[THUMB[1], 3],
		[THUMB[2], 3],
		[THUMB[3], 3],
		[THUMB.slice(0, 2), 4],
		[THUMB.slice(2, 4), 4],
		[THUMB.slice(1, 3), 6],
		].forEach(function(desc) {
		@@ -40,0 +52,0 @@ var string = desc[0];

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