@storybook/source-loader/dist/cjs/extract-source.js

"use strict";

require("core-js/modules/es.array.concat.js");

require("core-js/modules/es.array.join.js");

require("core-js/modules/es.array.slice.js");

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

var _types = require("./types");

Object.keys(_types).forEach(function (key) {
  if (key === "default" || key === "__esModule") return;
  if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
  if (key in exports && exports[key] === _types[key]) return;
  Object.defineProperty(exports, key, {
    enumerable: true,
    get: function get() {
      return _types[key];
    }
  });
});

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

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

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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

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; }

/**
 * given a location, extract the text from the full source
 */
function extractSource(location, lines) {
  var start = location.startBody,
      end = location.endBody;

  if (start.line === end.line && lines[start.line - 1] !== undefined) {
    return lines[start.line - 1].substring(start.col, end.col);
  } // NOTE: storysource locations are 1-based not 0-based!


  var startLine = lines[start.line - 1];
  var endLine = lines[end.line - 1];

  if (startLine === undefined || endLine === undefined) {
    return null;
  }

  return [startLine.substring(start.col)].concat(_toConsumableArray(lines.slice(start.line, end.line - 1)), [endLine.substring(0, end.col)]).join('\n');
}