alex/yomichan
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better error handling

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This commit is contained in:
Alex Yatskov 2017-09-09 11:36:50 -07:00
parent 124ecaf824
commit 9a5a9aa47f
2 changed files with 17 additions and 3 deletions
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5
ext/bg/js/api.js
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@ -104,7 +104,12 @@ async function apiTemplateRender(template, data, dynamic) {
const sequence = utilBackend().sequenceNew();
const handler = event => {
if (event.data.sequence === sequence) {
if (event.data.command === 'error') {
reject(event.data.result);
} else {
resolve(event.data.result);
}
window.removeEventListener('message', handler);
}
};

13
ext/sb/js/sandbox.js
View File

@ -31,7 +31,16 @@ window.addEventListener('message', event => {
window.yomichan_cache[event.data.template] = template;
}
const result = template(event.data.data || {});
event.source.postMessage({result, sequence: event.data.sequence}, '*');
let result = null;
let command = null;
try {
command = 'render';
result = template(event.data.data || {});
} catch (e) {
command = 'error';
result = e;
}
event.source.postMessage({result, command, sequence: event.data.sequence}, '*');
}
});