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

Merge pull request #11905 from Snuffleupagus/less-require

Browse Source 
Reduce the usage of `require` statements in code-paths not protected by pre-processor and/or run-time checks
This commit is contained in:
Tim van der Meij 2020-05-15 11:28:10 +02:00 committed by GitHub
commit 15087c35d1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 17 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/core/worker.js
View File

@ -678,7 +678,7 @@ function isMessagePort(maybePort) {
);
}
// Worker thread (and not node.js)?
// Worker thread (and not Node.js)?
if (
typeof window === "undefined" &&
!isNodeJS &&

7
src/display/api_compatibility.js
View File

@ -13,10 +13,10 @@
* limitations under the License.
*/
import { isNodeJS } from "../shared/is_node.js";
const compatibilityParams = Object.create(null);
if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
const { isNodeJS } = require("../shared/is_node.js");
const userAgent =
(typeof navigator !== "undefined" && navigator.userAgent) || "";
const isIE = /Trident/.test(userAgent);
@ -41,5 +41,6 @@ if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
}
})();
}
const apiCompatibilityParams = Object.freeze(compatibilityParams);
exports.apiCompatibilityParams = Object.freeze(compatibilityParams);
export { apiCompatibilityParams };

17
src/shared/compatibility.js
View File

@ -14,6 +14,8 @@
*/
/* eslint no-var: error */
import { isNodeJS } from "./is_node.js";
// Skip compatibility checks for modern builds and if we already ran the module.
if (
(typeof PDFJSDev === "undefined" || !PDFJSDev.test("SKIP_BABEL")) &&
@ -27,8 +29,6 @@ if (
}
globalThis._pdfjsCompatibilityChecked = true;
const { isNodeJS } = require("./is_node.js");
const hasDOM = typeof window === "object" && typeof document === "object";
const userAgent =
(typeof navigator !== "undefined" && navigator.userAgent) || "";
@ -248,15 +248,18 @@ if (
// Support: IE
(function checkURL() {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("IMAGE_DECODERS")) {
// The current image decoders don't use the `URL` constructor, so it
// doesn't need to be polyfilled for the IMAGE_DECODERS build target.
if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("PRODUCTION")) {
// Prevent "require is not a function" errors in development mode,
// since the `URL` constructor should be available in modern browers.
return;
}
if (typeof PDFJSDev !== "undefined" && !PDFJSDev.test("GENERIC")) {
} else if (!PDFJSDev.test("GENERIC")) {
// The `URL` constructor is assumed to be available in the extension
// builds.
return;
} else if (PDFJSDev.test("IMAGE_DECODERS")) {
// The current image decoders don't use the `URL` constructor, so it
// doesn't need to be polyfilled for the IMAGE_DECODERS build target.
return;
}
globalThis.URL = require("core-js/web/url.js");
})();

3
web/viewer_compatibility.js
View File

@ -35,5 +35,6 @@ if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
}
})();
}
const viewerCompatibilityParams = Object.freeze(compatibilityParams);
exports.viewerCompatibilityParams = Object.freeze(compatibilityParams);
export { viewerCompatibilityParams };