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Extract & use createHeaders helper in src/display/fetch_stream.js

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This commit is contained in:
Wojciech Maj 2019-12-22 22:04:25 +01:00
parent 6316b2a195
commit d40d33682b
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GPG Key ID: 24A586806A31F908
1 changed files with 14 additions and 16 deletions
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30
src/display/fetch_stream.js
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@ -33,6 +33,18 @@ function createFetchOptions(headers, withCredentials, abortController) {
};
}
function createHeaders(httpHeaders) {
const headers = new Headers();
for (const property in httpHeaders) {
const value = httpHeaders[property];
if (typeof value === 'undefined') {
continue;
}
headers.append(property, value);
}
return headers;
}
/** @implements {IPDFStream} */
class PDFFetchStream {
constructor(source) {
@ -97,14 +109,7 @@ class PDFFetchStreamReader {
this._isStreamingSupported = !source.disableStream;
this._isRangeSupported = !source.disableRange;
this._headers = new Headers();
for (const property in this._stream.httpHeaders) {
const value = this._stream.httpHeaders[property];
if (typeof value === 'undefined') {
continue;
}
this._headers.append(property, value);
}
this._headers = createHeaders(this._stream.httpHeaders);
const url = source.url;
fetch(url, createFetchOptions(this._headers, this._withCredentials,
@ -204,14 +209,7 @@ class PDFFetchStreamRangeReader {
this._abortController = new AbortController();
}
this._headers = new Headers();
for (const property in this._stream.httpHeaders) {
const value = this._stream.httpHeaders[property];
if (typeof value === 'undefined') {
continue;
}
this._headers.append(property, value);
}
this._headers = createHeaders(this._stream.httpHeaders);
this._headers.append('Range', `bytes=${begin}-${end - 1}`);
const url = source.url;