terriajs/lib/Core/readText.js

Geospatial data visualization platform.

"use strict";
const i18next = require("i18next").default;

const DeveloperError =
  require("terriajs-cesium/Source/Core/DeveloperError").default;

function readText(file) {
  return new Promise((resolve, reject) => {
    if (typeof file === "undefined") {
      throw new DeveloperError(i18next.t("core.readText.fileRequired"));
    }

    const reader = new FileReader();
    reader.readAsText(file);

    reader.onload = function (event) {
      const allText = event.target.result;
      resolve(allText);
    };
    reader.onerror = function (e) {
      reject(e);
    };
  });
}

module.exports = readText;