ec0ab91a2b
This replaces some additional `require`/`exports` usage with standard `import`/`export` statements instead. Hence another, small, part in the effort to reduce the reliance on SystemJS-specific functionality in the development viewer.
47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
/* Copyright 2018 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { isNodeJS } from "../shared/is_node.js";
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const compatibilityParams = Object.create(null);
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if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
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const userAgent =
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(typeof navigator !== "undefined" && navigator.userAgent) || "";
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const isIE = /Trident/.test(userAgent);
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const isIOSChrome = /CriOS/.test(userAgent);
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// Checks if possible to use URL.createObjectURL()
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// Support: IE, Chrome on iOS
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(function checkOnBlobSupport() {
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// Sometimes IE and Chrome on iOS losing the data created with
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// createObjectURL(), see issues #3977 and #8081.
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if (isIE || isIOSChrome) {
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compatibilityParams.disableCreateObjectURL = true;
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}
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})();
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// Support: Node.js
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(function checkFontFaceAndImage() {
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// Node.js is missing native support for `@font-face` and `Image`.
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if (isNodeJS) {
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compatibilityParams.disableFontFace = true;
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compatibilityParams.nativeImageDecoderSupport = "none";
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}
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})();
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}
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const apiCompatibilityParams = Object.freeze(compatibilityParams);
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export { apiCompatibilityParams };
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