StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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41 lines
805 B
41 lines
805 B
4 years ago
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export default class fileWriterSync {
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constructor(writer, path) {
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this.writer = writer
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this.path = path
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this._stack = Promise.resolve()
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}
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get stack() {
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return this._stack
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}
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set stack(promise) {
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this._stack = promise
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}
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write(content) {
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return this._execute(this.writer.write, content)
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}
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async seek(position) {
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await this.stack
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this.writer.seek(position)
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}
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truncate(length) {
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return this._execute(this.writer.truncate, length)
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}
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_execute(action, data) {
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this.stack = this.stack.then(()=> {
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return new Promise((resolve, reject) => {
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this.writer.onwriteend = resolve
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this.writer.onerror = error => reject({path: this.path, error})
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action.call(this.writer, data)
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})
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})
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return this.stack
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}
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}
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