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Remove some polyfills 

This should reduce the runtime size & load times somewhat by removing polyfills for older browsers which are not used much
This commit is contained in:
AaronDewes 2022-08-09 15:06:07 +00:00
parent 625fdf5bca
commit 64644b57e3
6 changed files with 27 additions and 163 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
app/capabilities.js
View File

@ -45,13 +45,7 @@ async function checkCrypto() {
);
return true;
} catch (err) {
try {
window.asmCrypto = await import('asmcrypto.js');
await import('@dannycoates/webcrypto-liner/build/shim');
return true;
} catch (e) {
return false;
}
return false;
}
}
@ -66,25 +60,12 @@ function checkStreams() {
}
}
async function polyfillStreams() {
try {
await import('@mattiasbuelens/web-streams-polyfill');
return true;
} catch (e) {
return false;
}
}
export default async function getCapabilities() {
const browser = browserName();
const isMobile = /mobi|android/i.test(navigator.userAgent);
const serviceWorker = 'serviceWorker' in navigator && browser !== 'edge';
let crypto = await checkCrypto();
const nativeStreams = checkStreams();
let polyStreams = false;
if (!nativeStreams) {
polyStreams = await polyfillStreams();
}
let account = typeof AUTH_CONFIG !== 'undefined';
try {
account = account && !!localStorage;
@ -106,10 +87,10 @@ export default async function getCapabilities() {
account,
crypto,
serviceWorker,
streamUpload: nativeStreams || polyStreams,
streamUpload: nativeStreams,
streamDownload:
nativeStreams && serviceWorker && browser !== 'safari' && !mobileFirefox,
multifile: nativeStreams || polyStreams,
multifile: nativeStreams,
share,
standalone
};

2
app/ece.js
View File

@ -48,7 +48,7 @@ class ECETransformer {
name: 'AES-GCM',
length: 128
},
true, // Edge polyfill requires key to be extractable to encrypt :/
false,
['encrypt', 'decrypt']
);
}

52
app/utils.js
View File

@ -23,39 +23,34 @@ function locale() {
return document.querySelector('html').lang;
}
function loadShim(polyfill) {
return new Promise((resolve, reject) => {
const shim = document.createElement('script');
shim.src = polyfill;
shim.addEventListener('load', () => resolve(true));
shim.addEventListener('error', () => resolve(false));
document.head.appendChild(shim);
});
}
function isFile(id) {
return /^[0-9a-fA-F]{10,16}$/.test(id);
}
function copyToClipboard(str) {
const aux = document.createElement('input');
aux.setAttribute('value', str);
aux.contentEditable = true;
aux.readOnly = true;
document.body.appendChild(aux);
if (navigator.userAgent.match(/iphone|ipad|ipod/i)) {
const range = document.createRange();
range.selectNodeContents(aux);
const sel = getSelection();
sel.removeAllRanges();
sel.addRange(range);
aux.setSelectionRange(0, str.length);
} else {
aux.select();
async function copyToClipboard(str) {
try {
await navigator.clipboard.writeText(str);
} catch {
// Older browsers or the clipboard API fails because of a missing permission
const aux = document.createElement('input');
aux.setAttribute('value', str);
aux.contentEditable = true;
aux.readOnly = true;
document.body.appendChild(aux);
if (navigator.userAgent.match(/iphone|ipad|ipod/i)) {
const range = document.createRange();
range.selectNodeContents(aux);
const sel = getSelection();
sel.removeAllRanges();
sel.addRange(range);
aux.setSelectionRange(0, str.length);
} else {
aux.select();
}
const result = document.execCommand('copy');
document.body.removeChild(aux);
return result;
}
const result = document.execCommand('copy');
document.body.removeChild(aux);
return result;
}
const LOCALIZE_NUMBERS = !!(
@ -287,7 +282,6 @@ module.exports = {
copyToClipboard,
arrayToB64,
b64ToArray,
loadShim,
isFile,
openLinksInNewTab,
browserName,

2
docs/notes/streams.md
View File

@ -6,8 +6,6 @@
- https://github.com/whatwg/streams/tree/master/reference-implementation
- Examples
- https://github.com/mdn/dom-examples/tree/master/streams
- Polyfill
- https://github.com/MattiasBuelens/web-streams-polyfill
# Encrypted Content Encoding

107
package-lock.json generated
View File

@ -36,9 +36,7 @@
"@babel/plugin-proposal-class-properties": "^7.16.7",
"@babel/plugin-syntax-dynamic-import": "^7.2.0",
"@babel/preset-env": "^7.16.11",
"@dannycoates/webcrypto-liner": "^0.1.37",
"@fullhuman/postcss-purgecss": "^4.1.3",
"@mattiasbuelens/web-streams-polyfill": "0.2.1",
"@sentry/browser": "^5.30.0",
"asmcrypto.js": "^0.22.0",
"babel-loader": "^8.2.4",
@ -1908,21 +1906,6 @@
"postcss-selector-parser": "^6.0.10"
}
},
"node_modules/@dannycoates/elliptic": {
"version": "6.4.2",
"resolved": "https://registry.npmjs.org/@dannycoates/elliptic/-/elliptic-6.4.2.tgz",
"integrity": "sha512-2G4qWMB2SRBk4H75d+BFBbz2b1cseIYCI8G7duGxtxdnjGxhewpripDsVr1lCagmijyYX4zDyfKTNoId5GGyow==",
"dev": true,
"dependencies": {
"bn.js": "^4.4.0",
"brorand": "^1.0.1",
"hash.js": "^1.0.0",
"hmac-drbg": "^1.0.0",
"inherits": "^2.0.1",
"minimalistic-assert": "^1.0.0",
"minimalistic-crypto-utils": "^1.0.0"
}
},
"node_modules/@dannycoates/express-ws": {
"version": "5.0.3",
"resolved": "https://registry.npmjs.org/@dannycoates/express-ws/-/express-ws-5.0.3.tgz",
@ -1938,17 +1921,6 @@
"express": "^4.0.0 || ^5.0.0-alpha.1"
}
},
"node_modules/@dannycoates/webcrypto-liner": {
"version": "0.1.37",
"resolved": "https://registry.npmjs.org/@dannycoates/webcrypto-liner/-/webcrypto-liner-0.1.37.tgz",
"integrity": "sha512-EM29TDkn7GJaa/oOfLeS1vrAxEkyM+WfUsmHTz7OyrxvMZNqz2SiYdZkXBIvg+QCnKTfXc2x//ORAilesugQlg==",
"dev": true,
"dependencies": {
"@dannycoates/elliptic": "^6.4.2",
"asmcrypto.js": "^0.22.0",
"webcrypto-core": "github:dannycoates/webcrypto-core"
}
},
"node_modules/@fluent/bundle": {
"version": "0.17.1",
"resolved": "https://registry.npmjs.org/@fluent/bundle/-/bundle-0.17.1.tgz",
@ -2076,19 +2048,6 @@
"@jridgewell/sourcemap-codec": "^1.4.10"
}
},
"node_modules/@mattiasbuelens/web-streams-polyfill": {
"version": "0.2.1",
"resolved": "https://registry.npmjs.org/@mattiasbuelens/web-streams-polyfill/-/web-streams-polyfill-0.2.1.tgz",
"integrity": "sha512-oKuFCQFa3W7Hj7zKn0+4ypI8JFm4ZKIoncwAC6wd5WwFW2sL7O1hpPoJdSWpynQ4DJ4lQ6MvFoVDmCLilonDFg==",
"deprecated": "moved to web-streams-polyfill@2.0.0",
"dev": true,
"dependencies": {
"@types/whatwg-streams": "^0.0.7"
},
"engines": {
"node": ">= 8"
}
},
"node_modules/@nodelib/fs.scandir": {
"version": "2.1.5",
"resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@ -2521,12 +2480,6 @@
"@types/node": "*"
}
},
"node_modules/@types/whatwg-streams": {
"version": "0.0.7",
"resolved": "https://registry.npmjs.org/@types/whatwg-streams/-/whatwg-streams-0.0.7.tgz",
"integrity": "sha512-6sDiSEP6DWcY2ZolsJ2s39ZmsoGQ7KVwBDI3sESQsEm9P2dHTcqnDIHRZFRNtLCzWp7hCFGqYbw5GyfpQnJ01A==",
"dev": true
},
"node_modules/@webassemblyjs/ast": {
"version": "1.8.5",
"resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.8.5.tgz",
@ -21049,16 +21002,6 @@
"minimalistic-assert": "^1.0.0"
}
},
"node_modules/webcrypto-core": {
"version": "0.1.19",
"resolved": "git+ssh://git@github.com/dannycoates/webcrypto-core.git#8e0152a66d3ae6329cf080ccb3085eb06637070f",
"integrity": "sha512-FQXkmbl8syEGw0LtxcbO5aBmC6dmntkMMSzUxnC0U3Ue8vRrS9LKFsNOfs2XK1Nr5Sw1uGA0k4n7RZXa44vHeQ==",
"dev": true,
"license": "MIT",
"dependencies": {
"tslib": "^1.7.1"
}
},
"node_modules/webidl-conversions": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
@ -23619,21 +23562,6 @@
"dev": true,
"requires": {}
},
"@dannycoates/elliptic": {
"version": "6.4.2",
"resolved": "https://registry.npmjs.org/@dannycoates/elliptic/-/elliptic-6.4.2.tgz",
"integrity": "sha512-2G4qWMB2SRBk4H75d+BFBbz2b1cseIYCI8G7duGxtxdnjGxhewpripDsVr1lCagmijyYX4zDyfKTNoId5GGyow==",
"dev": true,
"requires": {
"bn.js": "^4.4.0",
"brorand": "^1.0.1",
"hash.js": "^1.0.0",
"hmac-drbg": "^1.0.0",
"inherits": "^2.0.1",
"minimalistic-assert": "^1.0.0",
"minimalistic-crypto-utils": "^1.0.0"
}
},
"@dannycoates/express-ws": {
"version": "5.0.3",
"resolved": "https://registry.npmjs.org/@dannycoates/express-ws/-/express-ws-5.0.3.tgz",
@ -23643,17 +23571,6 @@
"ws": "^7.1.1"
}
},
"@dannycoates/webcrypto-liner": {
"version": "0.1.37",
"resolved": "https://registry.npmjs.org/@dannycoates/webcrypto-liner/-/webcrypto-liner-0.1.37.tgz",
"integrity": "sha512-EM29TDkn7GJaa/oOfLeS1vrAxEkyM+WfUsmHTz7OyrxvMZNqz2SiYdZkXBIvg+QCnKTfXc2x//ORAilesugQlg==",
"dev": true,
"requires": {
"@dannycoates/elliptic": "^6.4.2",
"asmcrypto.js": "^0.22.0",
"webcrypto-core": "github:dannycoates/webcrypto-core"
}
},
"@fluent/bundle": {
"version": "0.17.1",
"resolved": "https://registry.npmjs.org/@fluent/bundle/-/bundle-0.17.1.tgz",
@ -23754,15 +23671,6 @@
"@jridgewell/sourcemap-codec": "^1.4.10"
}
},
"@mattiasbuelens/web-streams-polyfill": {
"version": "0.2.1",
"resolved": "https://registry.npmjs.org/@mattiasbuelens/web-streams-polyfill/-/web-streams-polyfill-0.2.1.tgz",
"integrity": "sha512-oKuFCQFa3W7Hj7zKn0+4ypI8JFm4ZKIoncwAC6wd5WwFW2sL7O1hpPoJdSWpynQ4DJ4lQ6MvFoVDmCLilonDFg==",
"dev": true,
"requires": {
"@types/whatwg-streams": "^0.0.7"
}
},
"@nodelib/fs.scandir": {
"version": "2.1.5",
"resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@ -24115,12 +24023,6 @@
"@types/node": "*"
}
},
"@types/whatwg-streams": {
"version": "0.0.7",
"resolved": "https://registry.npmjs.org/@types/whatwg-streams/-/whatwg-streams-0.0.7.tgz",
"integrity": "sha512-6sDiSEP6DWcY2ZolsJ2s39ZmsoGQ7KVwBDI3sESQsEm9P2dHTcqnDIHRZFRNtLCzWp7hCFGqYbw5GyfpQnJ01A==",
"dev": true
},
"@webassemblyjs/ast": {
"version": "1.8.5",
"resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.8.5.tgz",
@ -38880,15 +38782,6 @@
"minimalistic-assert": "^1.0.0"
}
},
"webcrypto-core": {
"version": "git+ssh://git@github.com/dannycoates/webcrypto-core.git#8e0152a66d3ae6329cf080ccb3085eb06637070f",
"integrity": "sha512-FQXkmbl8syEGw0LtxcbO5aBmC6dmntkMMSzUxnC0U3Ue8vRrS9LKFsNOfs2XK1Nr5Sw1uGA0k4n7RZXa44vHeQ==",
"dev": true,
"from": "webcrypto-core@github:dannycoates/webcrypto-core",
"requires": {
"tslib": "^1.7.1"
}
},
"webidl-conversions": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",

2
package.json
View File

@ -66,9 +66,7 @@
"@babel/plugin-proposal-class-properties": "^7.16.7",
"@babel/plugin-syntax-dynamic-import": "^7.2.0",
"@babel/preset-env": "^7.16.11",
"@dannycoates/webcrypto-liner": "^0.1.37",
"@fullhuman/postcss-purgecss": "^4.1.3",
"@mattiasbuelens/web-streams-polyfill": "0.2.1",
"@sentry/browser": "^5.30.0",
"asmcrypto.js": "^0.22.0",
"babel-loader": "^8.2.4",