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Code Issues Releases Wiki Activity

DynaView: Suppress local storage errors

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This commit is contained in:
Jeremy Ruston
2019-06-21 15:19:51 +01:00
parent fd8ede07bf
commit a6500ba711
1 changed files with 21 additions and 15 deletions
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10
plugins/tiddlywiki/dynaview/dynaview.js
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@@ -31,6 +31,8 @@ var LOCAL_STORAGE_KEY_PREFIX = "tw5-dynaview-scroll-position#";
var hasRestoredScrollPosition = false; var hasRestoredScrollPosition = false;
var localStorageHasFailed = false;
exports.startup = function() { exports.startup = function() {
var topmost = null, lastScrollY; var topmost = null, lastScrollY;
$tw.boot.disableStartupNavigation = true; $tw.boot.disableStartupNavigation = true;
@@ -165,6 +167,7 @@ function updateAddressBar() {
} }
function saveScrollPosition() { function saveScrollPosition() {
if(!localStorageHasFailed) {
if(hasRestoredScrollPosition && $tw.wiki.getTiddlerText("$:/config/DynaView/RestoreScrollPositionAtStartup") === "yes") { if(hasRestoredScrollPosition && $tw.wiki.getTiddlerText("$:/config/DynaView/RestoreScrollPositionAtStartup") === "yes") {
var top = findTopmostTiddler(); var top = findTopmostTiddler();
if(top.element) { if(top.element) {
@@ -174,7 +177,8 @@ function saveScrollPosition() {
offset: top.offset offset: top.offset
})); }));
} catch(e) { } catch(e) {
console.log("Error setting local storage",e) localStorageHasFailed = true;
}
} }
} }
} }
@@ -182,11 +186,13 @@ function saveScrollPosition() {
function restoreScrollPosition() { function restoreScrollPosition() {
var json; var json;
if(!localStorageHasFailed) {
try { try {
json = JSON.parse(window.localStorage.getItem(LOCAL_STORAGE_KEY_PREFIX + window.location.pathname)); json = JSON.parse(window.localStorage.getItem(LOCAL_STORAGE_KEY_PREFIX + window.location.pathname));
} catch(e) { } catch(e) {
// Ignore errors localStorageHasFailed = true;
}; };
}
return json; return json;
} }