import { timer } from "../@chevrotain/utils/lib-src-timer.js";
import { DEFAULT_PARSER_CONFIG } from "./lib-src-parse-parser-parser.js";
import has from "../lodash-es/has.js";
class PerformanceTracer {
  initPerformanceTracer(config) {
    if (has(config, "traceInitPerf")) {
      const userTraceInitPerf = config.traceInitPerf;
      const traceIsNumber = typeof userTraceInitPerf === "number";
      this.traceInitMaxIdent = traceIsNumber ? userTraceInitPerf : Infinity;
      this.traceInitPerf = traceIsNumber ? userTraceInitPerf > 0 : userTraceInitPerf;
    } else {
      this.traceInitMaxIdent = 0;
      this.traceInitPerf = DEFAULT_PARSER_CONFIG.traceInitPerf;
    }
    this.traceInitIndent = -1;
  }
  TRACE_INIT(phaseDesc, phaseImpl) {
    if (this.traceInitPerf === true) {
      this.traceInitIndent++;
      const indent = new Array(this.traceInitIndent + 1).join("	");
      if (this.traceInitIndent < this.traceInitMaxIdent) {
        console.log(`${indent}--> <${phaseDesc}>`);
      }
      const { time, value } = timer(phaseImpl);
      const traceMethod = time > 10 ? console.warn : console.log;
      if (this.traceInitIndent < this.traceInitMaxIdent) {
        traceMethod(`${indent}<-- <${phaseDesc}> time: ${time}ms`);
      }
      this.traceInitIndent--;
      return value;
    } else {
      return phaseImpl();
    }
  }
}
export {
  PerformanceTracer
};
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