From 40515a860d21075ddc963247ddf75c0ae0c411af Mon Sep 17 00:00:00 2001
From: SheetJS <dev@sheetjs.com>
Date: Tue, 29 Mar 2022 20:59:43 -0400
Subject: [PATCH] version bump 1.3.1

---
 adler32.flow.js    |   2 +-
 adler32.js         |   2 +-
 adler32.mjs        | 101 +++++++++++++++++++++++++++++++++++++++++++++
 bits/01_version.js |   2 +-
 package.json       |   2 +-
 5 files changed, 105 insertions(+), 4 deletions(-)
 create mode 100644 adler32.mjs

diff --git a/adler32.flow.js b/adler32.flow.js
index ba5198a..66b9e4b 100644
--- a/adler32.flow.js
+++ b/adler32.flow.js
@@ -25,7 +25,7 @@ var ADLER32/*:ADLER32Module*/;
 	/*eslint-enable */
 	/*jshint ignore:end */
 }(function(ADLER32/*:ADLER32Module*/) {
-ADLER32.version = '1.3.0';
+ADLER32.version = '1.3.1';
 /*::
 type ADLER32Type = number;
 type ABuf = Array<number> | Buffer | Uint8Array;
diff --git a/adler32.js b/adler32.js
index 2f48a90..e9f84b9 100644
--- a/adler32.js
+++ b/adler32.js
@@ -23,7 +23,7 @@ var ADLER32;
 	/*eslint-enable */
 	/*jshint ignore:end */
 }(function(ADLER32) {
-ADLER32.version = '1.3.0';
+ADLER32.version = '1.3.1';
 function adler32_bstr(bstr, seed) {
 	var a = 1, b = 0, L = bstr.length, M = 0;
 	if(typeof seed === 'number') { a = seed & 0xFFFF; b = seed >>> 16; }
diff --git a/adler32.mjs b/adler32.mjs
new file mode 100644
index 0000000..ba5198a
--- /dev/null
+++ b/adler32.mjs
@@ -0,0 +1,101 @@
+/* adler32.js (C) 2014-present SheetJS -- http://sheetjs.com */
+/* vim: set ts=2: */
+/*exported ADLER32 */
+/*:: declare var DO_NOT_EXPORT_ADLER:?boolean; */
+/*:: declare function define(cb:()=>any):void; */
+var ADLER32/*:ADLER32Module*/;
+(function (factory/*:(a:any)=>void*/)/*:void*/ {
+	/*jshint ignore:start */
+	/*eslint-disable */
+	if(typeof DO_NOT_EXPORT_ADLER === 'undefined') {
+		if('object' === typeof exports) {
+			factory(exports);
+		} else if ('function' === typeof define && /*::(*/define/*:: :any)*/.amd) {
+			define(function () {
+				var module/*:ADLER32Module*/ = /*::(*/{}/*:: :any)*/;
+				factory(module);
+				return module;
+			});
+		} else {
+			factory(ADLER32 = /*::(*/{}/*:: :any)*/);
+		}
+	} else {
+		factory(ADLER32 = /*::(*/{}/*:: :any)*/);
+	}
+	/*eslint-enable */
+	/*jshint ignore:end */
+}(function(ADLER32/*:ADLER32Module*/) {
+ADLER32.version = '1.3.0';
+/*::
+type ADLER32Type = number;
+type ABuf = Array<number> | Buffer | Uint8Array;
+*/
+/*# consult README.md for the magic number */
+/*# charCodeAt is the best approach for binary strings */
+function adler32_bstr(bstr/*:string*/, seed/*:?ADLER32Type*/)/*:ADLER32Type*/ {
+	var a = 1, b = 0, L = bstr.length, M = 0;
+	if(typeof seed === 'number') { a = seed & 0xFFFF; b = seed >>> 16; }
+	for(var i = 0; i < L;) {
+		M = Math.min(L-i, 2654)+i;
+		for(;i<M;i++) {
+			a += bstr.charCodeAt(i)&0xFF;
+			b += a;
+		}
+		a = (15*(a>>>16)+(a&65535));
+		b = (15*(b>>>16)+(b&65535));
+	}
+	return ((b%65521) << 16) | (a%65521);
+}
+
+function adler32_buf(buf/*:ABuf*/, seed/*:?ADLER32Type*/)/*:ADLER32Type*/ {
+	var a = 1, b = 0, L = buf.length, M = 0;
+	if(typeof seed === 'number') { a = seed & 0xFFFF; b = (seed >>> 16) & 0xFFFF; }
+	for(var i = 0; i < L;) {
+		M = Math.min(L-i, 2654)+i;
+		for(;i<M;i++) {
+			a += buf[i]&0xFF;
+			b += a;
+		}
+		a = (15*(a>>>16)+(a&65535));
+		b = (15*(b>>>16)+(b&65535));
+	}
+	return ((b%65521) << 16) | (a%65521);
+}
+
+/*# much much faster to intertwine utf8 and adler */
+function adler32_str(str/*:string*/, seed/*:?ADLER32Type*/)/*:ADLER32Type*/ {
+	var a = 1, b = 0, L = str.length, M = 0, c = 0, d = 0;
+	if(typeof seed === 'number') { a = seed & 0xFFFF; b = seed >>> 16; }
+	for(var i = 0; i < L;) {
+		M = Math.min(L-i, 2918);
+		while(M>0) {
+			c = str.charCodeAt(i++);
+			if(c < 0x80) { a += c; }
+			else if(c < 0x800) {
+				a += 192|((c>>6)&31);             b += a; --M;
+				a += 128|(c&63);
+			} else if(c >= 0xD800 && c < 0xE000) {
+				c = (c&1023)+64; d = str.charCodeAt(i++) & 1023;
+				a += 240|((c>>8)&7);              b += a; --M;
+				a += 128|((c>>2)&63);             b += a; --M;
+				a += 128|((d>>6)&15)|((c&3)<<4);  b += a; --M;
+				a += 128|(d&63);
+			} else {
+				a += 224|((c>>12)&15);            b += a; --M;
+				a += 128|((c>>6)&63);             b += a; --M;
+				a += 128|(c&63);
+			}
+			b += a; --M;
+		}
+		a = (15*(a>>>16)+(a&65535));
+		b = (15*(b>>>16)+(b&65535));
+	}
+	return ((b%65521) << 16) | (a%65521);
+}
+// $FlowIgnore
+ADLER32.bstr = adler32_bstr;
+// $FlowIgnore
+ADLER32.buf = adler32_buf;
+// $FlowIgnore
+ADLER32.str = adler32_str;
+}));
diff --git a/bits/01_version.js b/bits/01_version.js
index e09885e..532a4a9 100644
--- a/bits/01_version.js
+++ b/bits/01_version.js
@@ -1 +1 @@
-ADLER32.version = '1.3.0';
+ADLER32.version = '1.3.1';
diff --git a/package.json b/package.json
index eff2780..6004025 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "adler-32",
-	"version": "1.3.0",
+	"version": "1.3.1",
 	"author": "sheetjs",
 	"description": "Pure-JS ADLER-32",
 	"keywords": [ "adler32", "checksum" ],