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[api-major] Completely remove the global PDFJS object

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This commit is contained in:
Jonas Jenwald 2018-02-17 23:51:24 +01:00
parent 4b4fcecf70
commit b8606abbc1
18 changed files with 323 additions and 426 deletions
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16
src/shared/compatibility.js
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@ -13,32 +13,26 @@
* limitations under the License.
*/
/* eslint-disable mozilla/use-includes-instead-of-indexOf */
/* globals PDFJS */
const globalScope = require('./global_scope');
// Skip compatibility checks for the extensions and if we already ran
// this module.
if ((typeof PDFJSDev === 'undefined' ||
!PDFJSDev.test('FIREFOX || MOZCENTRAL')) &&
(typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked)) {
!globalScope._pdfjsCompatibilityChecked) {
globalScope._pdfjsCompatibilityChecked = true;
// In the Chrome extension, most of the polyfills are unnecessary.
// We support down to Chrome 49, because it's still commonly used by Windows XP
// users - https://github.com/mozilla/pdf.js/issues/9397
if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('CHROME')) {
const globalScope = require('./global_scope');
const isNodeJS = require('./is_node');
const hasDOM = typeof window === 'object' && typeof document === 'object';
// Initializing PDFJS global object here, it case if we need to change/disable
// some PDF.js features, e.g. range requests
if (typeof PDFJS === 'undefined') {
globalScope.PDFJS = {};
}
PDFJS.compatibilityChecked = true;
// Support: Node.js
(function checkNodeBtoa() {
if (globalScope.btoa || !isNodeJS()) {