probe.gl/dist/es5/lib/utils/formatters.js

JavaScript Console Instrumentation and Benchmarking for Browser and Node

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.formatTime = formatTime;
exports.leftPad = leftPad;
exports.rightPad = rightPad;
exports.getSISuffix = getSISuffix;
exports.formatSI = formatSI;
exports.formatValue = formatValue;
exports.formatImage = formatImage;

function formatTime(ms) {
  var formatted;

  if (ms < 10) {
    formatted = "".concat(ms.toFixed(2), "ms");
  } else if (ms < 100) {
    formatted = "".concat(ms.toFixed(1), "ms");
  } else if (ms < 1000) {
    formatted = "".concat(ms.toFixed(0), "ms");
  } else {
    formatted = "".concat((ms / 1000).toFixed(2), "s");
  }

  return formatted;
}

function leftPad(string) {
  var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 8;
  var padLength = Math.max(length - string.length, 0);
  return "".concat(' '.repeat(padLength)).concat(string);
}

function rightPad(string) {
  var length = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 8;
  var padLength = Math.max(length - string.length, 0);
  return "".concat(string).concat(' '.repeat(padLength));
}

function splitIntoBaseAndExponent(number) {
  var base = number;
  var exponent = 0;

  if (number !== 0) {
    while (base >= 10 || base <= -10) {
      base /= 10;
      exponent++;
    }

    while (base < 1 && base > -1) {
      base *= 10;
      exponent--;
    }
  }

  return {
    base: base,
    exponent: exponent
  };
}

function getSISuffix(multipleOf3) {
  var SI_SUFFIXES = {
    0: '',
    1: 'K',
    2: 'M',
    3: 'G',
    '-1': 'm',
    '-2': 'µ',
    '-3': 'n'
  };
  var key = String(multipleOf3);
  return key in SI_SUFFIXES ? SI_SUFFIXES[key] : "e".concat(multipleOf3 * 3);
}

function formatSI(number) {
  var precision = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 3;

  var _splitIntoBaseAndExpo = splitIntoBaseAndExponent(number),
      base = _splitIntoBaseAndExpo.base,
      exponent = _splitIntoBaseAndExpo.exponent;

  var multipleOf3 = Math.floor(exponent / 3);
  var remaining = exponent - multipleOf3 * 3;
  var digits = base * Math.pow(10, remaining);
  return "".concat(digits.toPrecision(precision)).concat(getSISuffix(multipleOf3));
}

function formatValue(v) {
  var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var EPSILON = 1e-16;
  var _opts$isInteger = opts.isInteger,
      isInteger = _opts$isInteger === void 0 ? false : _opts$isInteger;

  if (Array.isArray(v) || ArrayBuffer.isView(v)) {
    return formatArrayValue(v, opts);
  }

  if (!Number.isFinite(v)) {
    return String(v);
  }

  if (Math.abs(v) < EPSILON) {
    return isInteger ? '0' : '0.';
  }

  if (isInteger) {
    return v.toFixed(0);
  }

  if (Math.abs(v) > 100 && Math.abs(v) < 10000) {
    return v.toFixed(0);
  }

  var string = v.toPrecision(2);
  var decimal = string.indexOf('.0');
  return decimal === string.length - 2 ? string.slice(0, -1) : string;
}

function formatArrayValue(v, opts) {
  var _opts$maxElts = opts.maxElts,
      maxElts = _opts$maxElts === void 0 ? 16 : _opts$maxElts,
      _opts$size = opts.size,
      size = _opts$size === void 0 ? 1 : _opts$size;
  var string = '[';

  for (var i = 0; i < v.length && i < maxElts; ++i) {
    if (i > 0) {
      string += ",".concat(i % size === 0 ? ' ' : '');
    }

    string += formatValue(v[i], opts);
  }

  var terminator = v.length > maxElts ? '...' : ']';
  return "".concat(string).concat(terminator);
}

function formatImage(image, message, scale) {
  var maxWidth = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 600;
  var imageUrl = image.src.replace(/\(/g, '%28').replace(/\)/g, '%29');

  if (image.width > maxWidth) {
    scale = Math.min(scale, maxWidth / image.width);
  }

  var width = image.width * scale;
  var height = image.height * scale;
  var style = ['font-size:1px;', "padding:".concat(Math.floor(height / 2), "px ").concat(Math.floor(width / 2), "px;"), "line-height:".concat(height, "px;"), "background:url(".concat(imageUrl, ");"), "background-size:".concat(width, "px ").concat(height, "px;"), 'color:transparent;'].join('');
  return ["".concat(message, " %c+"), style];
}
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