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Convert src/core/decrypt_stream.js to use standard classes

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This commit is contained in:
Jonas Jenwald 2021-04-27 13:35:59 +02:00
parent a9476e7dd0
commit e938c05edb
1 changed files with 9 additions and 14 deletions
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23
src/core/decrypt_stream.js
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@ -15,23 +15,20 @@
import { DecodeStream } from "./stream.js"; import { DecodeStream } from "./stream.js";
const DecryptStream = (function DecryptStreamClosure() { const chunkSize = 512;
// eslint-disable-next-line no-shadow
function DecryptStream(str, maybeLength, decrypt) { class DecryptStream extends DecodeStream {
constructor(str, maybeLength, decrypt) {
super(maybeLength);
this.str = str; this.str = str;
this.dict = str.dict; this.dict = str.dict;
this.decrypt = decrypt; this.decrypt = decrypt;
this.nextChunk = null; this.nextChunk = null;
this.initialized = false; this.initialized = false;
DecodeStream.call(this, maybeLength);
} }
const chunkSize = 512; readBlock() {
DecryptStream.prototype = Object.create(DecodeStream.prototype);
DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {
let chunk; let chunk;
if (this.initialized) { if (this.initialized) {
chunk = this.nextChunk; chunk = this.nextChunk;
@ -56,9 +53,7 @@ const DecryptStream = (function DecryptStreamClosure() {
buffer[bufferLength++] = chunk[i]; buffer[bufferLength++] = chunk[i];
} }
this.bufferLength = bufferLength; this.bufferLength = bufferLength;
}; }
}
return DecryptStream;
})();
export { DecryptStream }; export { DecryptStream };