TS2351

error TS2351: This expression is not constructable. Type ‘EMA‘ has no construct signatures.

Broken Code ❌

RSI.ts
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export class RSI {
  private readonly avgGain: MovingAverage;

  constructor(private readonly interval: number, Indicator: EMA) {
    this.avgGain = new Indicator(this.interval);
  }
}
EMA.ts
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export class EMA {}

Fixed Code ✔️

RSI.ts
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export class RSI {
  private readonly avgGain: MovingAverage;

  constructor(private readonly interval: number, Indicator: typeof EMA) {
    this.avgGain = new Indicator(this.interval);
  }
}