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Cache datafiles in local storage #423 #571

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Cache datafiles in local storage #423 #571

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8 changes: 8 additions & 0 deletions bases/rsptx/interactives/runestone/activecode/js/activecode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1130,6 +1130,13 @@ Yet another is that there is an internal error. The internal error message is:
if (elem === null) {
elem = document.querySelector(`[data-filename="${divid}"]`);
}
// Check if data file was cached and retrieve it if it was
const cacheKey = `datafile_${divid}`;
const cachedData = localStorage.getItem(cacheKey);
if (cachedData) {
return cachedData;
}

let data = "";
let result = "";
if (elem == null && Sk.builtinFiles.files.hasOwnProperty(divid)) {
Expand All @@ -1143,6 +1150,7 @@ Yet another is that there is an internal error. The internal error message is:
url: `/ns/logger/get_datafile?course_id=${eBookConfig.course}&acid=${divid}`,
success: function (data) {
result = data.detail;
localStorage.setItem(cacheKey, result);
},
error: function (err) {
result = null;
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