Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #12736 from Snuffleupagus/rm-IE-polyfills

Browse Source 
Remove the remaining IE 11 polyfills
This commit is contained in:
Tim van der Meij 2020-12-14 23:36:36 +01:00 committed by GitHub
commit 5354a97025
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 138 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
gulpfile.js
View File

@ -84,7 +84,6 @@ var AUTOPREFIXER_CONFIG = {
"Chrome >= 49", // Last supported on Windows XP
"Firefox >= 52", // Last supported on Windows XP
"Firefox ESR",
"IE >= 11",
"Safari >= 9",
"> 0.5%",
"not dead",

149
src/shared/compatibility.js
View File

@ -21,7 +21,7 @@ if (
(typeof globalThis === "undefined" || !globalThis._pdfjsCompatibilityChecked)
) {
// Provides support for globalThis in legacy browsers.
// Support: IE11/Edge, Opera
// Support: Firefox<65, Chrome<71, Safari<12.1
if (typeof globalThis === "undefined" || globalThis.Math !== Math) {
// eslint-disable-next-line no-global-assign
globalThis = require("core-js/es/global-this");
@ -50,62 +50,8 @@ if (
};
})();
// Provides support for String.prototype.startsWith in legacy browsers.
// Support: IE, Chrome<41
(function checkStringStartsWith() {
if (String.prototype.startsWith) {
return;
}
require("core-js/es/string/starts-with.js");
})();
// Provides support for String.prototype.endsWith in legacy browsers.
// Support: IE, Chrome<41
(function checkStringEndsWith() {
if (String.prototype.endsWith) {
return;
}
require("core-js/es/string/ends-with.js");
})();
// Provides support for String.prototype.includes in legacy browsers.
// Support: IE, Chrome<41
(function checkStringIncludes() {
if (String.prototype.includes) {
return;
}
require("core-js/es/string/includes.js");
})();
// Provides support for Array.prototype.includes in legacy browsers.
// Support: IE, Chrome<47
(function checkArrayIncludes() {
if (Array.prototype.includes) {
return;
}
require("core-js/es/array/includes.js");
})();
// Provides support for Array.from in legacy browsers.
// Support: IE
(function checkArrayFrom() {
if (Array.from) {
return;
}
require("core-js/es/array/from.js");
})();
// Provides support for Object.assign in legacy browsers.
// Support: IE
(function checkObjectAssign() {
if (Object.assign) {
return;
}
require("core-js/es/object/assign.js");
})();
// Provides support for Object.fromEntries in legacy browsers.
// Support: IE, Chrome<73
// Support: Firefox<63, Chrome<73, Safari<12.1
(function checkObjectFromEntries() {
if (Object.fromEntries) {
return;
@ -113,35 +59,8 @@ if (
require("core-js/es/object/from-entries.js");
})();
// Provides support for Math.log2 in legacy browsers.
// Support: IE, Chrome<38
(function checkMathLog2() {
if (Math.log2) {
return;
}
Math.log2 = require("core-js/es/math/log2.js");
})();
// Provides support for Number.isNaN in legacy browsers.
// Support: IE.
(function checkNumberIsNaN() {
if (Number.isNaN) {
return;
}
Number.isNaN = require("core-js/es/number/is-nan.js");
})();
// Provides support for Number.isInteger in legacy browsers.
// Support: IE, Chrome<34
(function checkNumberIsInteger() {
if (Number.isInteger) {
return;
}
Number.isInteger = require("core-js/es/number/is-integer.js");
})();
// Provides support for TypedArray.prototype.slice in legacy browsers.
// Support: IE
// Support: Safari<10
(function checkTypedArraySlice() {
if (Uint8Array.prototype.slice) {
return;
@ -151,7 +70,7 @@ if (
// Provides support for *recent* additions to the Promise specification,
// however basic Promise support is assumed to be available natively.
// Support: Firefox<71, Safari<13, Chrome<76
// Support: Firefox<71, Chrome<76, Safari<13
(function checkPromise() {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("IMAGE_DECODERS")) {
// The current image decoders are synchronous, hence `Promise` shouldn't
@ -164,7 +83,7 @@ if (
globalThis.Promise = require("core-js/es/promise/index.js");
})();
// Support: IE
// Support: Safari
(function checkURL() {
if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("PRODUCTION")) {
// Prevent "require is not a function" errors in development mode,
@ -182,7 +101,7 @@ if (
globalThis.URL = require("core-js/web/url.js");
})();
// Support: IE, Node.js
// Support: Safari<10.1, Node.js
(function checkReadableStream() {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("IMAGE_DECODERS")) {
// The current image decoders are synchronous, hence `ReadableStream`
@ -211,44 +130,8 @@ if (
globalThis.ReadableStream = require("web-streams-polyfill/dist/ponyfill.js").ReadableStream;
})();
// We want to support Map iteration, but it doesn't seem possible to easily
// test for that specifically; hence using a similarly unsupported property.
// Support: IE11
(function checkMapEntries() {
if (globalThis.Map && globalThis.Map.prototype.entries) {
return;
}
globalThis.Map = require("core-js/es/map/index.js");
})();
// We want to support Set iteration, but it doesn't seem possible to easily
// test for that specifically; hence using a similarly unsupported property.
// Support: IE11
(function checkSetEntries() {
if (globalThis.Set && globalThis.Set.prototype.entries) {
return;
}
globalThis.Set = require("core-js/es/set/index.js");
})();
// Support: IE<11, Safari<8, Chrome<36
(function checkWeakMap() {
if (globalThis.WeakMap) {
return;
}
globalThis.WeakMap = require("core-js/es/weak-map/index.js");
})();
// Support: IE11
(function checkWeakSet() {
if (globalThis.WeakSet) {
return;
}
globalThis.WeakSet = require("core-js/es/weak-set/index.js");
})();
// Provides support for String.codePointAt in legacy browsers.
// Support: IE11.
// Support: Safari<10
(function checkStringCodePointAt() {
if (String.prototype.codePointAt) {
return;
@ -257,7 +140,7 @@ if (
})();
// Provides support for String.fromCodePoint in legacy browsers.
// Support: IE11.
// Support: Safari<10
(function checkStringFromCodePoint() {
if (String.fromCodePoint) {
return;
@ -265,16 +148,8 @@ if (
String.fromCodePoint = require("core-js/es/string/from-code-point.js");
})();
// Support: IE
(function checkSymbol() {
if (globalThis.Symbol) {
return;
}
require("core-js/es/symbol/index.js");
})();
// Provides support for String.prototype.padStart in legacy browsers.
// Support: IE, Chrome<57
// Support: Chrome<57, Safari<10
(function checkStringPadStart() {
if (String.prototype.padStart) {
return;
@ -283,7 +158,7 @@ if (
})();
// Provides support for String.prototype.padEnd in legacy browsers.
// Support: IE, Chrome<57
// Support: Chrome<57, Safari<10
(function checkStringPadEnd() {
if (String.prototype.padEnd) {
return;
@ -292,7 +167,7 @@ if (
})();
// Provides support for Object.values in legacy browsers.
// Support: IE, Chrome<54
// Support: Chrome<54, Safari<10.1
(function checkObjectValues() {
if (Object.values) {
return;
@ -301,7 +176,7 @@ if (
})();
// Provides support for Object.entries in legacy browsers.
// Support: IE, Chrome<54
// Support: Chrome<54, Safari<10.1
(function checkObjectEntries() {
if (Object.entries) {
return;