import readline from "readline"
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export class QuartzLogger {
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verbose: boolean
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private spinnerInterval: NodeJS.Timeout | undefined
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private spinnerText: string = ""
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private spinnerIndex: number = 0
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private readonly spinnerChars = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]
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constructor(verbose: boolean) {
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this.verbose = verbose
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}
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start(text: string) {
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this.spinnerText = text
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if (this.verbose) {
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console.log(text)
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} else {
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this.spinnerIndex = 0
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this.spinnerInterval = setInterval(() => {
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readline.clearLine(process.stdout, 0)
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readline.cursorTo(process.stdout, 0)
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process.stdout.write(`${this.spinnerChars[this.spinnerIndex]} ${this.spinnerText}`)
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this.spinnerIndex = (this.spinnerIndex + 1) % this.spinnerChars.length
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}, 20)
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}
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}
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updateText(text: string) {
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this.spinnerText = text
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}
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end(text?: string) {
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if (!this.verbose && this.spinnerInterval) {
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clearInterval(this.spinnerInterval)
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this.spinnerInterval = undefined
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readline.clearLine(process.stdout, 0)
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readline.cursorTo(process.stdout, 0)
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}
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if (text) {
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console.log(text)
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}
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}
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}
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