web-audio-test-api/lib/utils/toMicroseconds.js

Web Audio API test library for CI

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = toMicroseconds;
var MIN_MICRO_SECONDS = 0;
var MAX_MICRO_SECONDS = 24 * 60 * 60 * 1000 * 1000;

function toMicroseconds(time) {
  var value = 0;

  if (typeof time === "number") {
    // seconds -> microseconds
    value = Math.floor(time * 1000 * 1000) || 0;
    return Math.max(MIN_MICRO_SECONDS, Math.min(value, MAX_MICRO_SECONDS));
  }

  var matches = /^([0-5]\d):([0-5]\d)\.(\d\d\d)$/.exec(time);

  if (matches) {
    // minutes
    value += +matches[1];
    value *= 60;
    // seconds
    value += +matches[2];
    value *= 1000;
    // milliseconds
    value += +matches[3];
    value *= 1000;
    return Math.max(MIN_MICRO_SECONDS, Math.min(value, MAX_MICRO_SECONDS));
  }

  return value;
}