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-rw-r--r--src/js/_enqueues/lib/emoji-loader.js92
-rw-r--r--src/js/_enqueues/vendor/twemoji.js4
-rw-r--r--src/js/media/views/button.js2
3 files changed, 66 insertions, 32 deletions
diff --git a/src/js/_enqueues/lib/emoji-loader.js b/src/js/_enqueues/lib/emoji-loader.js
index aeaec78e68..1cee787aca 100644
--- a/src/js/_enqueues/lib/emoji-loader.js
+++ b/src/js/_enqueues/lib/emoji-loader.js
@@ -117,6 +117,11 @@
/**
* Checks if two sets of Emoji characters render the same visually.
*
+ * This is used to determine if the browser is rendering an emoji with multiple data points
+ * correctly. set1 is the emoji in the correct form, using a zero-width joiner. set2 is the emoji
+ * in the incorrect form, using a zero-width space. If the two sets render the same, then the browser
+ * does not support the emoji correctly.
+ *
* This function may be serialized to run in a Worker. Therefore, it cannot refer to variables from the containing
* scope. Everything must be passed by parameters.
*
@@ -161,6 +166,42 @@
}
/**
+ * Checks if the center point of a single emoji is empty.
+ *
+ * This is used to determine if the browser is rendering an emoji with a single data point
+ * correctly. The center point of an incorrectly rendered emoji will be empty. A correctly
+ * rendered emoji will have a non-zero value at the center point.
+ *
+ * This function may be serialized to run in a Worker. Therefore, it cannot refer to variables from the containing
+ * scope. Everything must be passed by parameters.
+ *
+ * @since 6.8.2
+ *
+ * @private
+ *
+ * @param {CanvasRenderingContext2D} context 2D Context.
+ * @param {string} emoji Emoji to test.
+ *
+ * @return {boolean} True if the center point is empty.
+ */
+ function emojiRendersEmptyCenterPoint( context, emoji ) {
+ // Cleanup from previous test.
+ context.clearRect( 0, 0, context.canvas.width, context.canvas.height );
+ context.fillText( emoji, 0, 0 );
+
+ // Test if the center point (16, 16) is empty (0,0,0,0).
+ var centerPoint = context.getImageData(16, 16, 1, 1);
+ for ( var i = 0; i < centerPoint.data.length; i++ ) {
+ if ( centerPoint.data[ i ] !== 0 ) {
+ // Stop checking the moment it's known not to be empty.
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
* Determines if the browser properly renders Emoji that Twemoji can supplement.
*
* This function may be serialized to run in a Worker. Therefore, it cannot refer to variables from the containing
@@ -173,10 +214,11 @@
* @param {CanvasRenderingContext2D} context 2D Context.
* @param {string} type Whether to test for support of "flag" or "emoji".
* @param {Function} emojiSetsRenderIdentically Reference to emojiSetsRenderIdentically function, needed due to minification.
+ * @param {Function} emojiRendersEmptyCenterPoint Reference to emojiRendersEmptyCenterPoint function, needed due to minification.
*
* @return {boolean} True if the browser can render emoji, false if it cannot.
*/
- function browserSupportsEmoji( context, type, emojiSetsRenderIdentically ) {
+ function browserSupportsEmoji( context, type, emojiSetsRenderIdentically, emojiRendersEmptyCenterPoint ) {
var isIdentical;
switch ( type ) {
@@ -198,16 +240,16 @@
}
/*
- * Test for UN flag compatibility. This is the least supported of the letter locale flags,
+ * Test for Sark flag compatibility. This is the least supported of the letter locale flags,
* so gives us an easy test for full support.
*
* To test for support, we try to render it, and compare the rendering to how it would look if
- * the browser doesn't render it correctly ([U] + [N]).
+ * the browser doesn't render it correctly ([C] + [Q]).
*/
isIdentical = emojiSetsRenderIdentically(
context,
- '\uD83C\uDDFA\uD83C\uDDF3', // as the sequence of two code points
- '\uD83C\uDDFA\u200B\uD83C\uDDF3' // as the two code points separated by a zero-width space
+ '\uD83C\uDDE8\uD83C\uDDF6', // as the sequence of two code points
+ '\uD83C\uDDE8\u200B\uD83C\uDDF6' // as the two code points separated by a zero-width space
);
if ( isIdentical ) {
@@ -232,31 +274,21 @@
return ! isIdentical;
case 'emoji':
/*
- * Rise Like a Phoenix.
+ * Does Emoji 16.0 cause the browser to go splat?
*
- * To test for Emoji 15.1 support, try to render a new emoji: Phoenix.
+ * To test for Emoji 16.0 support, try to render a new emoji: Splatter.
*
- * A phoenix, a mythical immortal bird with flame-like feathers found in the folklore of many global
- * cultures. Often used to symbolize renewal or rebirth.
+ * The splatter emoji is a single code point emoji. Testing for browser support
+ * required testing the center point of the emoji to see if it is empty.
*
- * The Phoenix emoji is a ZWJ sequence combining 🐦 Bird, Zero Width Joiner and 🔥 Fire.
- * These display as a single emoji on supported platforms.
+ * 0xD83E 0xDEDF (\uD83E\uDEDF) == 🫟 Splatter.
*
- * 0xD83D 0xDC26 (\uD83D\uDC26) == 🐦 Bird
- * 0x200D == Zero-Width Joiner (ZWJ) that links the code points for the new emoji or
- * 0x200B == Zero-Width Space (ZWS) that is rendered for clients not supporting the new emoji.
- * 0xD83D 0xDD25 (\uD83D\uDD25) == 🔥 Fire
- *
- * When updating this test for future Emoji releases, ensure that individual emoji that make up the
- * sequence come from older emoji standards.
+ * When updating this test, please ensure that the emoji is either a single code point
+ * or switch to using the emojiSetsRenderIdentically function and testing with a zero-width
+ * joiner vs a zero-width space.
*/
- isIdentical = emojiSetsRenderIdentically(
- context,
- '\uD83D\uDC26\u200D\uD83D\uDD25', // as the zero-width joiner sequence
- '\uD83D\uDC26\u200B\uD83D\uDD25' // separated by a zero-width space
- );
-
- return ! isIdentical;
+ var notSupported = emojiRendersEmptyCenterPoint( context, '\uD83E\uDEDF' );
+ return ! notSupported;
}
return false;
@@ -275,10 +307,11 @@
* @param {string[]} tests Tests.
* @param {Function} browserSupportsEmoji Reference to browserSupportsEmoji function, needed due to minification.
* @param {Function} emojiSetsRenderIdentically Reference to emojiSetsRenderIdentically function, needed due to minification.
+ * @param {Function} emojiRendersEmptyCenterPoint Reference to emojiRendersEmptyCenterPoint function, needed due to minification.
*
* @return {SupportTests} Support tests.
*/
- function testEmojiSupports( tests, browserSupportsEmoji, emojiSetsRenderIdentically ) {
+ function testEmojiSupports( tests, browserSupportsEmoji, emojiSetsRenderIdentically, emojiRendersEmptyCenterPoint ) {
var canvas;
if (
typeof WorkerGlobalScope !== 'undefined' &&
@@ -301,7 +334,7 @@
var supports = {};
tests.forEach( function ( test ) {
- supports[ test ] = browserSupportsEmoji( context, test, emojiSetsRenderIdentically );
+ supports[ test ] = browserSupportsEmoji( context, test, emojiSetsRenderIdentically, emojiRendersEmptyCenterPoint );
} );
return supports;
}
@@ -354,7 +387,8 @@
[
JSON.stringify( tests ),
browserSupportsEmoji.toString(),
- emojiSetsRenderIdentically.toString()
+ emojiSetsRenderIdentically.toString(),
+ emojiRendersEmptyCenterPoint.toString()
].join( ',' ) +
'));';
var blob = new Blob( [ workerScript ], {
@@ -371,7 +405,7 @@
} catch ( e ) {}
}
- supportTests = testEmojiSupports( tests, browserSupportsEmoji, emojiSetsRenderIdentically );
+ supportTests = testEmojiSupports( tests, browserSupportsEmoji, emojiSetsRenderIdentically, emojiRendersEmptyCenterPoint );
setSessionSupportTests( supportTests );
resolve( supportTests );
} )
diff --git a/src/js/_enqueues/vendor/twemoji.js b/src/js/_enqueues/vendor/twemoji.js
index 1de1d7dd96..5d98174ed3 100644
--- a/src/js/_enqueues/vendor/twemoji.js
+++ b/src/js/_enqueues/vendor/twemoji.js
@@ -24,7 +24,7 @@ var twemoji = (function (
/////////////////////////
// default assets url, by default will be jsDelivr CDN
- base: 'https://cdn.jsdelivr.net/gh/jdecked/twemoji@15.1.0/assets/',
+ base: 'https://cdn.jsdelivr.net/gh/jdecked/twemoji@16.0.1/assets/',
// default assets file extensions, by default '.png'
ext: '.png',
@@ -225,7 +225,7 @@ var twemoji = (function (
// RegExp based on emoji's official Unicode standards
// http://www.unicode.org/Public/UNIDATA/EmojiSources.txt
- re = /(?:\ud83d\udc68\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83e\uddd1\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83e\uddd1\ud83c[\udffc-\udfff]|\ud83e\uddd1\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83e\uddd1\ud83c[\udffb\udffd-\udfff]|\ud83e\uddd1\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83e\uddd1\ud83c[\udffb\udffc\udffe\udfff]|\ud83e\uddd1\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83e\uddd1\ud83c[\udffb-\udffd\udfff]|\ud83e\uddd1\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc8b\u200d\ud83e\uddd1\ud83c[\udffb-\udffe]|\ud83d\udc68\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffb\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffc-\udfff]|\ud83d\udc68\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffc\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb\udffd-\udfff]|\ud83d\udc68\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffd\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb\udffc\udffe\udfff]|\ud83d\udc68\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udffe\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb-\udffd\udfff]|\ud83d\udc68\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc68\ud83c\udfff\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb-\udffe]|\ud83d\udc69\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffb\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffc-\udfff]|\ud83d\udc69\ud83c\udffb\u200d\ud83e\udd1d\u200d\ud83d\udc69\ud83c[\udffc-\udfff]|\ud83d\udc69\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffc\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb\udffd-\udfff]|\ud83d\udc69\ud83c\udffc\u200d\ud83e\udd1d\u200d\ud83d\udc69\ud83c[\udffb\udffd-\udfff]|\ud83d\udc69\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffd\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb\udffc\udffe\udfff]|\ud83d\udc69\ud83c\udffd\u200d\ud83e\udd1d\u200d\ud83d\udc69\ud83c[\udffb\udffc\udffe\udfff]|\ud83d\udc69\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffe\u200d\u2764\ufe0f\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udffe\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb-\udffd\udfff]|\ud83d\udc69\ud83c\udffe\u200d\ud83e\udd1d\u200d\ud83d\udc69\ud83c[\udffb-\udffd\udfff]|\ud83d\udc69\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc68\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udfff\u200d\u2764\ufe0f\u200d\ud83d\udc69\ud83c[\udffb-\udfff]|\ud83d\udc69\ud83c\udfff\u200d\ud83e\udd1d\u200d\ud83d\udc68\ud83c[\udffb-\udffe]|\ud83d\udc69\ud83c\udfff\u200d\ud83e\udd1d\u200d\ud83d\udc69\ud83c[\udffb-\udffe]|\ud83e\uddd1\ud83c\udffb\u200d\u2764\ufe0f\u200d\ud83e\uddd1\ud83c[\udffc-\udfff]|\ud83e\uddd1\ud83c\udffb\u200d\ud83e\udd1d\u200d\ud83e\uddd1\ud83c[\udffb-\udfff]|\ud83e\uddd1\ud83c\udffc\u200d\u2764\ufe0f\u200d\ud83e\uddd1\ud83c[\udffb\udffd-\udfff]|\ud83e\uddd1\ud83c\udffc\u200d\ud83e\udd1d\u200d\ud83e\uddd1\ud83c[\udffb-\udfff]|\ud83e\uddd1\ud83c\udffd\u200d\u2764\ufe0f\u200d\ud83e\uddd1\ud83c[\udffb\udffc\udffe\udfff]|\ud83e\uddd1\ud83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+ re = 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// avoid runtime RegExp creation for not so smart,
// not JIT based, and old browsers / engines
diff --git a/src/js/media/views/button.js b/src/js/media/views/button.js
index ae7ff7852f..988c95ccb1 100644
--- a/src/js/media/views/button.js
+++ b/src/js/media/views/button.js
@@ -33,7 +33,7 @@ var Button = wp.media.View.extend(/** @lends wp.media.view.Button.prototype */{
this.model = new Backbone.Model( this.defaults );
// If any of the `options` have a key from `defaults`, apply its
- // value to the `model` and remove it from the `options object.
+ // value to the `model` and remove it from the `options` object.
_.each( this.defaults, function( def, key ) {
var value = this.options[ key ];
if ( _.isUndefined( value ) ) {