Cannot read property 'match' of undefined

[abinnz]

debug发现keep的数据有些偏差，run.location_country可能为"None"值的情况，导致出现下述错误：

TypeError: Cannot read property 'match' of undefined
locationForRun
D:/github/running_page/src/utils/utils.js:49
  46 | }
  47 | const l = location.split(',');
  48 | // or to handle keep location format
> 49 | const countryMatch = l[l.length - 1].match(/[\u4e00-\u9fa5].*[\u4e00-\u9fa5]/) || l[2].match(/[\u4e00-\u9fa5].*[\u4e00-\u9fa5]/);
  50 | if (countryMatch) {
  51 |   [country] = countryMatch;
  52 | }
  
 D:/github/running_page/src/pages/index.jsx:29
  26 | const locationsList = [];
  27 | runs.forEach(
  28 |   (run) => {
> 29 |     const location = locationForRun(run);
  30 |     const periodName = titleForRun(run);
  31 |     if (periodName) {
  32 |       runPeriod[periodName] = runPeriod[periodName] === undefined ? 1 : runPeriod[periodName] + 1;

[yihong0618]

收到。我晚上看一下，谢谢反馈，如果你想快速解决的话，可以 if 判断一下～