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27 lines
603 B
JavaScript
27 lines
603 B
JavaScript
import path from 'path';
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import TailModule from 'tail';
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export default class TailLogReader {
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constructor(queueLine, options = {}) {
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if (!('logDir' in options)) throw new Error(`logDir must be specified.`);
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this.reader = new TailModule.Tail(path.join(options.logDir, options.filename), {
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useWatchFile: true
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});
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if (typeof queueLine !== 'function')
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throw new Error('queueLine argument must be specified and be a function.');
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this.reader.on('line', queueLine);
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}
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async watch() {
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this.reader.watch();
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}
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async unwatch() {
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this.reader.unwatch();
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}
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}
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