From 6ae70cd3d28888eb858eef1167e6ed75d25dff7f Mon Sep 17 00:00:00 2001
From: Jack Moore <hello@jacklmoore.com>
Date: Mon, 30 Apr 2018 21:48:25 -0400
Subject: [PATCH] More specific detection of when to change overflow. Merges
 #361

---
 changelog.md         | 7 +++++--
 dist/autosize.js     | 4 ++--
 dist/autosize.min.js | 4 ++--
 package.json         | 2 +-
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/changelog.md b/changelog.md
index cea61c0..5d723ee 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,10 +1,13 @@
 ## Changelog
 
+##### v.4.0.2 - 2018-04-30
+* More specific detection of when to change overflow. Merges #361.
+
 ##### v.4.0.1 - 2018-03-23
-* Minor refactor & updated build depedencies
+* Minor refactor & updated build dependencies
 
 ##### v.4.0.0 - 2017-07-12
-* Changed how Autosize determines the inital height. Fixes #336.
+* Changed how Autosize determines the initial height. Fixes #336.
 
 ##### v.3.0.21 - 2017-05-19
 * Fixed bug with overflow detection which degraded performance of textareas that exceed their max-width. Fixes #333.
diff --git a/dist/autosize.js b/dist/autosize.js
index 78f314c..ae609f6 100644
--- a/dist/autosize.js
+++ b/dist/autosize.js
@@ -1,5 +1,5 @@
 /*!
-	autosize 4.0.1
+	autosize 4.0.2
 	license: MIT
 	http://www.jacklmoore.com/autosize
 */
@@ -157,7 +157,7 @@
 
 			// The actual height not matching the style height (set via the resize method) indicates that 
 			// the max-height has been exceeded, in which case the overflow should be allowed.
-			if (actualHeight !== styleHeight) {
+			if (actualHeight < styleHeight) {
 				if (computed.overflowY === 'hidden') {
 					changeOverflow('scroll');
 					resize();
diff --git a/dist/autosize.min.js b/dist/autosize.min.js
index 0551d5b..4d9b4e9 100644
--- a/dist/autosize.min.js
+++ b/dist/autosize.min.js
@@ -1,6 +1,6 @@
 /*!
-	autosize 4.0.1
+	autosize 4.0.2
 	license: MIT
 	http://www.jacklmoore.com/autosize
 */
-!function(e,t){if("function"==typeof define&&define.amd)define(["module","exports"],t);else if("undefined"!=typeof exports)t(module,exports);else{var n={exports:{}};t(n,n.exports),e.autosize=n.exports}}(this,function(e,t){"use strict";var n,o,p="function"==typeof Map?new Map:(n=[],o=[],{has:function(e){return-1<n.indexOf(e)},get:function(e){return o[n.indexOf(e)]},set:function(e,t){-1===n.indexOf(e)&&(n.push(e),o.push(t))},delete:function(e){var t=n.indexOf(e);-1<t&&(n.splice(t,1),o.splice(t,1))}}),c=function(e){return new Event(e,{bubbles:!0})};try{new Event("test")}catch(e){c=function(e){var t=document.createEvent("Event");return t.initEvent(e,!0,!1),t}}function r(r){if(r&&r.nodeName&&"TEXTAREA"===r.nodeName&&!p.has(r)){var e,n=null,o=null,i=null,d=function(){r.clientWidth!==o&&a()},l=function(t){window.removeEventListener("resize",d,!1),r.removeEventListener("input",a,!1),r.removeEventListener("keyup",a,!1),r.removeEventListener("autosize:destroy",l,!1),r.removeEventListener("autosize:update",a,!1),Object.keys(t).forEach(function(e){r.style[e]=t[e]}),p.delete(r)}.bind(r,{height:r.style.height,resize:r.style.resize,overflowY:r.style.overflowY,overflowX:r.style.overflowX,wordWrap:r.style.wordWrap});r.addEventListener("autosize:destroy",l,!1),"onpropertychange"in r&&"oninput"in r&&r.addEventListener("keyup",a,!1),window.addEventListener("resize",d,!1),r.addEventListener("input",a,!1),r.addEventListener("autosize:update",a,!1),r.style.overflowX="hidden",r.style.wordWrap="break-word",p.set(r,{destroy:l,update:a}),"vertical"===(e=window.getComputedStyle(r,null)).resize?r.style.resize="none":"both"===e.resize&&(r.style.resize="horizontal"),n="content-box"===e.boxSizing?-(parseFloat(e.paddingTop)+parseFloat(e.paddingBottom)):parseFloat(e.borderTopWidth)+parseFloat(e.borderBottomWidth),isNaN(n)&&(n=0),a()}function s(e){var t=r.style.width;r.style.width="0px",r.offsetWidth,r.style.width=t,r.style.overflowY=e}function u(){if(0!==r.scrollHeight){var e=function(e){for(var t=[];e&&e.parentNode&&e.parentNode instanceof Element;)e.parentNode.scrollTop&&t.push({node:e.parentNode,scrollTop:e.parentNode.scrollTop}),e=e.parentNode;return t}(r),t=document.documentElement&&document.documentElement.scrollTop;r.style.height="",r.style.height=r.scrollHeight+n+"px",o=r.clientWidth,e.forEach(function(e){e.node.scrollTop=e.scrollTop}),t&&(document.documentElement.scrollTop=t)}}function a(){u();var e=Math.round(parseFloat(r.style.height)),t=window.getComputedStyle(r,null),n="content-box"===t.boxSizing?Math.round(parseFloat(t.height)):r.offsetHeight;if(n!==e?"hidden"===t.overflowY&&(s("scroll"),u(),n="content-box"===t.boxSizing?Math.round(parseFloat(window.getComputedStyle(r,null).height)):r.offsetHeight):"hidden"!==t.overflowY&&(s("hidden"),u(),n="content-box"===t.boxSizing?Math.round(parseFloat(window.getComputedStyle(r,null).height)):r.offsetHeight),i!==n){i=n;var o=c("autosize:resized");try{r.dispatchEvent(o)}catch(e){}}}}function i(e){var t=p.get(e);t&&t.destroy()}function d(e){var t=p.get(e);t&&t.update()}var l=null;"undefined"==typeof window||"function"!=typeof window.getComputedStyle?((l=function(e){return e}).destroy=function(e){return e},l.update=function(e){return e}):((l=function(e,t){return e&&Array.prototype.forEach.call(e.length?e:[e],function(e){return r(e)}),e}).destroy=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],i),e},l.update=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],d),e}),t.default=l,e.exports=t.default});
\ No newline at end of file
+!function(e,t){if("function"==typeof define&&define.amd)define(["module","exports"],t);else if("undefined"!=typeof exports)t(module,exports);else{var n={exports:{}};t(n,n.exports),e.autosize=n.exports}}(this,function(e,t){"use strict";var n,o,p="function"==typeof Map?new Map:(n=[],o=[],{has:function(e){return-1<n.indexOf(e)},get:function(e){return o[n.indexOf(e)]},set:function(e,t){-1===n.indexOf(e)&&(n.push(e),o.push(t))},delete:function(e){var t=n.indexOf(e);-1<t&&(n.splice(t,1),o.splice(t,1))}}),c=function(e){return new Event(e,{bubbles:!0})};try{new Event("test")}catch(e){c=function(e){var t=document.createEvent("Event");return t.initEvent(e,!0,!1),t}}function r(r){if(r&&r.nodeName&&"TEXTAREA"===r.nodeName&&!p.has(r)){var e,n=null,o=null,i=null,d=function(){r.clientWidth!==o&&a()},l=function(t){window.removeEventListener("resize",d,!1),r.removeEventListener("input",a,!1),r.removeEventListener("keyup",a,!1),r.removeEventListener("autosize:destroy",l,!1),r.removeEventListener("autosize:update",a,!1),Object.keys(t).forEach(function(e){r.style[e]=t[e]}),p.delete(r)}.bind(r,{height:r.style.height,resize:r.style.resize,overflowY:r.style.overflowY,overflowX:r.style.overflowX,wordWrap:r.style.wordWrap});r.addEventListener("autosize:destroy",l,!1),"onpropertychange"in r&&"oninput"in r&&r.addEventListener("keyup",a,!1),window.addEventListener("resize",d,!1),r.addEventListener("input",a,!1),r.addEventListener("autosize:update",a,!1),r.style.overflowX="hidden",r.style.wordWrap="break-word",p.set(r,{destroy:l,update:a}),"vertical"===(e=window.getComputedStyle(r,null)).resize?r.style.resize="none":"both"===e.resize&&(r.style.resize="horizontal"),n="content-box"===e.boxSizing?-(parseFloat(e.paddingTop)+parseFloat(e.paddingBottom)):parseFloat(e.borderTopWidth)+parseFloat(e.borderBottomWidth),isNaN(n)&&(n=0),a()}function s(e){var t=r.style.width;r.style.width="0px",r.offsetWidth,r.style.width=t,r.style.overflowY=e}function u(){if(0!==r.scrollHeight){var e=function(e){for(var t=[];e&&e.parentNode&&e.parentNode instanceof Element;)e.parentNode.scrollTop&&t.push({node:e.parentNode,scrollTop:e.parentNode.scrollTop}),e=e.parentNode;return t}(r),t=document.documentElement&&document.documentElement.scrollTop;r.style.height="",r.style.height=r.scrollHeight+n+"px",o=r.clientWidth,e.forEach(function(e){e.node.scrollTop=e.scrollTop}),t&&(document.documentElement.scrollTop=t)}}function a(){u();var e=Math.round(parseFloat(r.style.height)),t=window.getComputedStyle(r,null),n="content-box"===t.boxSizing?Math.round(parseFloat(t.height)):r.offsetHeight;if(n<e?"hidden"===t.overflowY&&(s("scroll"),u(),n="content-box"===t.boxSizing?Math.round(parseFloat(window.getComputedStyle(r,null).height)):r.offsetHeight):"hidden"!==t.overflowY&&(s("hidden"),u(),n="content-box"===t.boxSizing?Math.round(parseFloat(window.getComputedStyle(r,null).height)):r.offsetHeight),i!==n){i=n;var o=c("autosize:resized");try{r.dispatchEvent(o)}catch(e){}}}}function i(e){var t=p.get(e);t&&t.destroy()}function d(e){var t=p.get(e);t&&t.update()}var l=null;"undefined"==typeof window||"function"!=typeof window.getComputedStyle?((l=function(e){return e}).destroy=function(e){return e},l.update=function(e){return e}):((l=function(e,t){return e&&Array.prototype.forEach.call(e.length?e:[e],function(e){return r(e)}),e}).destroy=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],i),e},l.update=function(e){return e&&Array.prototype.forEach.call(e.length?e:[e],d),e}),t.default=l,e.exports=t.default});
\ No newline at end of file
diff --git a/package.json b/package.json
index 979209b..ad57f90 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "autosize",
   "description": "Autosize is a small, stand-alone script to automatically adjust textarea height to fit text.",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "keywords": [
     "textarea",
     "form",