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🎄🔨 Force tree shake emojione (#4202)

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* chore(yarn): Install babel-plugin-preval as development dependency

* feat(babel): Add preval as a plugin

* feat(emojione_light): Prevaled module what tree-shaked emojione

* refactor(emoji): Use emojione_light

* feat: Preload emojione_picker bundle

* fix(emojione_light): Do not use Object.entries

* fix(emojify): Update tests

* chore(emojione_light): Remove silly ascii art
main
Sorin Davidoi 7 years ago committed by Eugen Rochko
parent 8d224ad23b
commit c1f201c49a
7 changed files with 39 additions and 20 deletions
Show Stats Download Patch File Download Diff File

3
.babelrc
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@ -22,7 +22,8 @@
{
"messagesDir": "./build/messages"
}
]
],
"preval"
],
"env": {
"development": {

15
app/javascript/mastodon/emoji.js
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@ -1,8 +1,7 @@
import emojione from 'emojione';
import { unicodeToFilename } from './emojione_light';
import Trie from 'substring-trie';
const mappedUnicode = emojione.mapUnicodeToShort();
const trie = new Trie(Object.keys(emojione.jsEscapeMap));
const trie = new Trie(Object.keys(unicodeToFilename));
function emojify(str) {
// This walks through the string from start to end, ignoring any tags (<p>, <br>, etc.)
@ -20,12 +19,10 @@ function emojify(str) {
insideTag = true;
} else if (!insideTag && (match = trie.search(str.substring(i)))) {
const unicodeStr = match;
if (unicodeStr in emojione.jsEscapeMap) {
const unicode = emojione.jsEscapeMap[unicodeStr];
const short = mappedUnicode[unicode];
const filename = emojione.emojioneList[short].fname;
const alt = emojione.convert(unicode.toUpperCase());
const replacement = `<img draggable="false" class="emojione" alt="${alt}" title="${short}" src="/emoji/${filename}.svg" />`;
if (unicodeStr in unicodeToFilename) {
const filename = unicodeToFilename[unicodeStr];
const alt = unicodeStr;
const replacement = `<img draggable="false" class="emojione" alt="${alt}" src="/emoji/${filename}.svg" />`;
str = str.substring(0, i) + replacement + str.substring(i + unicodeStr.length);
i += (replacement.length - unicodeStr.length); // jump ahead the length we've added to the string
}

11
app/javascript/mastodon/emojione_light.js
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@ -0,0 +1,11 @@
// @preval
// Force tree shaking on emojione by exposing just a subset of its functionality
const emojione = require('emojione');
const mappedUnicode = emojione.mapUnicodeToShort();
module.exports.unicodeToFilename = Object.keys(emojione.jsEscapeMap)
.map(unicodeStr => [unicodeStr, mappedUnicode[emojione.jsEscapeMap[unicodeStr]]])
.map(([unicodeStr, shortCode]) => ({ [unicodeStr]: emojione.emojioneList[shortCode].fname }))
.reduce((x, y) => Object.assign(x, y), { });

1
app/views/layouts/application.html.haml
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@ -27,6 +27,7 @@
= javascript_pack_tag 'features/notifications', integrity: true, crossorigin: 'anonymous', rel: 'preload', as: 'script'
= javascript_pack_tag 'features/community_timeline', integrity: true, crossorigin: 'anonymous', rel: 'preload', as: 'script'
= javascript_pack_tag 'features/public_timeline', integrity: true, crossorigin: 'anonymous', rel: 'preload', as: 'script'
= javascript_pack_tag 'emojione_picker', integrity: true, crossorigin: 'anonymous', rel: 'preload', as: 'script'
= javascript_pack_tag "locale_#{I18n.locale}", integrity: true, crossorigin: 'anonymous'
= csrf_meta_tags

1
package.json
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@ -121,6 +121,7 @@
"@storybook/addon-actions": "^3.1.8",
"@storybook/react": "^3.1.8",
"babel-eslint": "^7.2.3",
"babel-plugin-preval": "^1.3.2",
"chai": "^4.1.0",
"chai-enzyme": "^0.8.0",
"enzyme": "^2.9.1",

16
spec/javascript/components/emojify.test.js
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@ -22,23 +22,23 @@ describe('emojify', () => {
it('does unicode', () => {
expect(emojify('\uD83D\uDC69\u200D\uD83D\uDC69\u200D\uD83D\uDC66\u200D\uD83D\uDC66')).to.equal(
'<img draggable="false" class="emojione" alt="👩‍👩‍👦‍👦" title=":family_wwbb:" src="/emoji/1f469-1f469-1f466-1f466.svg" />');
'<img draggable="false" class="emojione" alt="👩‍👩‍👦‍👦" src="/emoji/1f469-1f469-1f466-1f466.svg" />');
expect(emojify('\uD83D\uDC68\uD83D\uDC69\uD83D\uDC67\uD83D\uDC67')).to.equal(
'<img draggable="false" class="emojione" alt="👨👩👧👧" title=":family_mwgg:" src="/emoji/1f468-1f469-1f467-1f467.svg" />');
expect(emojify('\uD83D\uDC69\uD83D\uDC69\uD83D\uDC66')).to.equal('<img draggable="false" class="emojione" alt="👩👩👦" title=":family_wwb:" src="/emoji/1f469-1f469-1f466.svg" />');
'<img draggable="false" class="emojione" alt="👨👩👧👧" src="/emoji/1f468-1f469-1f467-1f467.svg" />');
expect(emojify('\uD83D\uDC69\uD83D\uDC69\uD83D\uDC66')).to.equal('<img draggable="false" class="emojione" alt="👩👩👦" src="/emoji/1f469-1f469-1f466.svg" />');
expect(emojify('\u2757')).to.equal(
'<img draggable="false" class="emojione" alt="❗" title=":exclamation:" src="/emoji/2757.svg" />');
'<img draggable="false" class="emojione" alt="❗" src="/emoji/2757.svg" />');
});
it('does multiple unicode', () => {
expect(emojify('\u2757 #\uFE0F\u20E3')).to.equal(
'<img draggable="false" class="emojione" alt="❗" title=":exclamation:" src="/emoji/2757.svg" /> <img draggable="false" class="emojione" alt="#️⃣" title=":hash:" src="/emoji/0023-20e3.svg" />');
'<img draggable="false" class="emojione" alt="❗" src="/emoji/2757.svg" /> <img draggable="false" class="emojione" alt="#️⃣" src="/emoji/0023-20e3.svg" />');
expect(emojify('\u2757#\uFE0F\u20E3')).to.equal(
'<img draggable="false" class="emojione" alt="❗" title=":exclamation:" src="/emoji/2757.svg" /><img draggable="false" class="emojione" alt="#️⃣" title=":hash:" src="/emoji/0023-20e3.svg" />');
'<img draggable="false" class="emojione" alt="❗" src="/emoji/2757.svg" /><img draggable="false" class="emojione" alt="#️⃣" src="/emoji/0023-20e3.svg" />');
expect(emojify('\u2757 #\uFE0F\u20E3 \u2757')).to.equal(
'<img draggable="false" class="emojione" alt="❗" title=":exclamation:" src="/emoji/2757.svg" /> <img draggable="false" class="emojione" alt="#️⃣" title=":hash:" src="/emoji/0023-20e3.svg" /> <img draggable="false" class="emojione" alt="❗" title=":exclamation:" src="/emoji/2757.svg" />');
'<img draggable="false" class="emojione" alt="❗" src="/emoji/2757.svg" /> <img draggable="false" class="emojione" alt="#️⃣" src="/emoji/0023-20e3.svg" /> <img draggable="false" class="emojione" alt="❗" src="/emoji/2757.svg" />');
expect(emojify('foo \u2757 #\uFE0F\u20E3 bar')).to.equal(
'foo <img draggable="false" class="emojione" alt="❗" title=":exclamation:" src="/emoji/2757.svg" /> <img draggable="false" class="emojione" alt="#️⃣" title=":hash:" src="/emoji/0023-20e3.svg" /> bar');
'foo <img draggable="false" class="emojione" alt="❗" src="/emoji/2757.svg" /> <img draggable="false" class="emojione" alt="#️⃣" src="/emoji/0023-20e3.svg" /> bar');
});
it('ignores unicode inside of tags', () => {

12
yarn.lock
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@ -681,6 +681,14 @@ babel-plugin-lodash@^3.2.11:
glob "^7.1.1"
lodash "^4.17.2"
babel-plugin-preval@^1.3.2:
version "1.3.2"
resolved "https://registry.yarnpkg.com/babel-plugin-preval/-/babel-plugin-preval-1.3.2.tgz#44192e6e97b58661bf2c5bcae90bba2a366e0134"
dependencies:
babel-core "^6.25.0"
babylon "^6.17.4"
require-from-string "^1.2.1"
babel-plugin-react-docgen@^1.5.0:
version "1.5.0"
resolved "https://registry.yarnpkg.com/babel-plugin-react-docgen/-/babel-plugin-react-docgen-1.5.0.tgz#0339717ad51f4a5ce4349330b8266ea5a56f53b4"
@ -1312,7 +1320,7 @@ babel-types@^6.19.0, babel-types@^6.23.0, babel-types@^6.24.1, babel-types@^6.25
lodash "^4.2.0"
to-fast-properties "^1.0.1"
babylon@^6.17.0, babylon@^6.17.2:
babylon@^6.17.0, babylon@^6.17.2, babylon@^6.17.4:
version "6.17.4"
resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.4.tgz#3e8b7402b88d22c3423e137a1577883b15ff869a"
@ -6335,7 +6343,7 @@ require-directory@^2.1.1:
version "2.1.1"
resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
require-from-string@^1.1.0:
require-from-string@^1.1.0, require-from-string@^1.2.1:
version "1.2.1"
resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-1.2.1.tgz#529c9ccef27380adfec9a2f965b649bbee636418"

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