33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.seekInfiniteLoopDetectionState = void 0;
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const seekInfiniteLoopDetectionState = () => {
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let lastSeek = null;
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let firstSeekTime = null;
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return {
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registerSeek: (byte) => {
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const now = Date.now();
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if (!lastSeek || lastSeek.byte !== byte) {
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lastSeek = { byte, numberOfTimes: 1 };
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firstSeekTime = now;
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return;
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}
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lastSeek.numberOfTimes++;
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if (lastSeek.numberOfTimes >= 10 &&
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firstSeekTime &&
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now - firstSeekTime <= 2000) {
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throw new Error(`Seeking infinite loop detected: Seeked to byte 0x${byte.toString(16)} ${lastSeek.numberOfTimes} times in a row in the last 2 seconds. Check your usage of .seek().`);
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}
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if (now - firstSeekTime > 2000) {
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lastSeek = { byte, numberOfTimes: 1 };
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firstSeekTime = now;
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}
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},
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reset: () => {
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lastSeek = null;
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firstSeekTime = null;
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},
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};
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};
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exports.seekInfiniteLoopDetectionState = seekInfiniteLoopDetectionState;
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