@glimmer/util/dist/commonjs/es5/lib/string.js

Common utilities used in Glimmer

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.strip = strip;

function _createForOfIteratorHelperLoose(o, allowArrayLike) {
  var it;

  if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) {
    if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
      if (it) o = it;
      var i = 0;
      return function () {
        if (i >= o.length) return {
          done: true
        };
        return {
          done: false,
          value: o[i++]
        };
      };
    }

    throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }

  it = o[Symbol.iterator]();
  return it.next.bind(it);
}

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}

function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;

  for (var i = 0, arr2 = new Array(len); i < len; i++) {
    arr2[i] = arr[i];
  }

  return arr2;
}

function strip(strings) {
  var out = '';

  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  for (var i = 0; i < strings.length; i++) {
    var string = strings[i];
    var dynamic = args[i] !== undefined ? String(args[i]) : '';
    out += "" + string + dynamic;
  }

  var lines = out.split('\n');

  while (lines.length && lines[0].match(/^\s*$/)) {
    lines.shift();
  }

  while (lines.length && lines[lines.length - 1].match(/^\s*$/)) {
    lines.pop();
  }

  var min = Infinity;

  for (var _iterator = _createForOfIteratorHelperLoose(lines), _step; !(_step = _iterator()).done;) {
    var line = _step.value;
    var leading = line.match(/^\s*/)[0].length;
    min = Math.min(min, leading);
  }

  var stripped = [];

  for (var _iterator2 = _createForOfIteratorHelperLoose(lines), _step2; !(_step2 = _iterator2()).done;) {
    var _line = _step2.value;
    stripped.push(_line.slice(min));
  }

  return stripped.join('\n');
}
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