59 lines
2.3 KiB
JavaScript
59 lines
2.3 KiB
JavaScript
import { EventEmitter } from 'events';
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import { setExternals, setNativeFunctions, Dbi, version } from './native.js';
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import { arch, tmpdir, platform, endianness } from 'os';
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import fs from 'fs';
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import { Encoder as MsgpackrEncoder } from 'msgpackr';
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import { WeakLRUCache } from 'weak-lru-cache';
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import * as orderedBinary from 'ordered-binary';
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orderedBinary.enableNullTermination();
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setExternals({
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arch, fs, tmpdir, MsgpackrEncoder, WeakLRUCache, orderedBinary,
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EventEmitter, os: platform(), onExit(callback) {
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if (process.getMaxListeners() < process.listenerCount('exit') + 8)
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process.setMaxListeners(process.listenerCount('exit') + 8);
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process.on('exit', callback);
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}, isLittleEndian: endianness() == 'LE'
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});
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export { toBufferKey as keyValueToBuffer, compareKeys, compareKeys as compareKey, fromBufferKey as bufferToKeyValue } from 'ordered-binary';
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export { ABORT, IF_EXISTS, asBinary } from './write.js';
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import { ABORT, IF_EXISTS, asBinary } from './write.js';
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export { levelup } from './level.js';
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export { SKIP } from './util/RangeIterable.js';
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import { levelup } from './level.js';
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export { clearKeptObjects, version } from './native.js';
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import { nativeAddon } from './native.js';
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export let { noop } = nativeAddon;
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export const TIMESTAMP_PLACEHOLDER = (() => {
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if (endianness() == 'BE') {
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return new Uint8Array([0,0,0,0,1,1,1,1]);
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} else {
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return new Uint8Array([1,1,1,1,0,0,0,0]);
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}
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})();
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export const DIRECT_WRITE_PLACEHOLDER = (() => {
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if (endianness() == 'BE') {
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return new Uint8Array([0,0,0,0,2,1,1,1]);
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} else {
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return new Uint8Array([1,1,1,2,0,0,0,0]);
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}
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})();
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export function setSpecialWriteValue(destArray, placeholder, uint32Value) {
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destArray.set(placeholder);
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let uint32 = new Uint32Array(destArray.buffer, 0, 2);
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endianness() == 'BE' ? uint32[0] = uint32Value : uint32[1] = uint32Value;
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}
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export { open, openAsClass, getLastVersion, allDbs, getLastTxnId } from './open.js';
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import { toBufferKey as keyValueToBuffer, compareKeys as compareKey, fromBufferKey as bufferToKeyValue } from 'ordered-binary';
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import { open, openAsClass, getLastVersion } from './open.js';
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export const TransactionFlags = {
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ABORTABLE: 1,
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SYNCHRONOUS_COMMIT: 2,
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NO_SYNC_FLUSH: 0x10000,
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};
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export default {
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open, openAsClass, getLastVersion, compareKey, keyValueToBuffer, bufferToKeyValue, ABORT, IF_EXISTS, asBinary, levelup, TransactionFlags, version
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};
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