JsonpMainTemplate.runtime.js 2.0 KB

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  1. /*
  2. MIT License http://www.opensource.org/licenses/mit-license.php
  3. Author Tobias Koppers @sokra
  4. */
  5. /*globals hotAddUpdateChunk parentHotUpdateCallback document XMLHttpRequest $require$ $hotChunkFilename$ $hotMainFilename$ */
  6. module.exports = function() {
  7. function webpackHotUpdateCallback(chunkId, moreModules) { // eslint-disable-line no-unused-vars
  8. hotAddUpdateChunk(chunkId, moreModules);
  9. if(parentHotUpdateCallback) parentHotUpdateCallback(chunkId, moreModules);
  10. } //$semicolon
  11. function hotDownloadUpdateChunk(chunkId) { // eslint-disable-line no-unused-vars
  12. var head = document.getElementsByTagName("head")[0];
  13. var script = document.createElement("script");
  14. script.type = "text/javascript";
  15. script.charset = "utf-8";
  16. script.src = $require$.p + $hotChunkFilename$;
  17. head.appendChild(script);
  18. }
  19. function hotDownloadManifest() { // eslint-disable-line no-unused-vars
  20. return new Promise(function(resolve, reject) {
  21. if(typeof XMLHttpRequest === "undefined")
  22. return reject(new Error("No browser support"));
  23. try {
  24. var request = new XMLHttpRequest();
  25. var requestPath = $require$.p + $hotMainFilename$;
  26. request.open("GET", requestPath, true);
  27. request.timeout = 10000;
  28. request.send(null);
  29. } catch(err) {
  30. return reject(err);
  31. }
  32. request.onreadystatechange = function() {
  33. if(request.readyState !== 4) return;
  34. if(request.status === 0) {
  35. // timeout
  36. reject(new Error("Manifest request to " + requestPath + " timed out."));
  37. } else if(request.status === 404) {
  38. // no update available
  39. resolve();
  40. } else if(request.status !== 200 && request.status !== 304) {
  41. // other failure
  42. reject(new Error("Manifest request to " + requestPath + " failed."));
  43. } else {
  44. // success
  45. try {
  46. var update = JSON.parse(request.responseText);
  47. } catch(e) {
  48. reject(e);
  49. return;
  50. }
  51. resolve(update);
  52. }
  53. };
  54. });
  55. }
  56. };