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Fixed serialise() for NaN, Infinity, -Infinity and undefined recursively

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Lam Wei Li 2022-02-21 01:20:01 +08:00
parent ceb06bed61
commit 4fc8634fa9
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GPG Key ID: 90F6ABECF080D7BF
1 changed files with 14 additions and 17 deletions
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31
lib/LoggingEvent.js
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@ -32,40 +32,37 @@ class LoggingEvent {
}
serialise() {
const logData = this.data.map((e) => {
return flatted.stringify(this, (key, value) => {
// JSON.stringify(new Error('test')) returns {}, which is not really useful for us.
// The following allows us to serialize errors correctly.
// duck-typing for Error object
if (e && e.message && e.stack) {
e = Object.assign({ message: e.message, stack: e.stack }, e);
if (value && value.message && value.stack) {
value = Object.assign({message: value.message, stack: value.stack}, value);
}
// JSON.stringify({a: parseInt('abc'), b: 1/0, c: -1/0}) returns {a: null, b: null, c: null}.
// The following allows us to serialize to NaN, Infinity and -Infinity correctly.
else if (typeof e === 'number' && (isNaN(e) || !isFinite(e))) {
e = e.toString();
else if (typeof value === 'number' && (isNaN(value) || !isFinite(value))) {
value = value.toString();
}
// JSON.stringify([undefined]) returns [null].
// The following allows us to serialize to undefined correctly.
else if (typeof e === 'undefined') {
e = typeof e;
else if (typeof value === 'undefined') {
value = typeof value;
}
return e;
return value;
});
this.data = logData;
return flatted.stringify(this);
}
static deserialise(serialised) {
let event;
try {
const rehydratedEvent = flatted.parse(serialised);
rehydratedEvent.data = rehydratedEvent.data.map((e) => {
if (e && e.message && e.stack) {
const fakeError = new Error(e);
Object.keys(e).forEach((key) => { fakeError[key] = e[key]; });
e = fakeError;
const rehydratedEvent = flatted.parse(serialised, (key, value) => {
if (value && value.message && value.stack) {
const fakeError = new Error(value);
Object.keys(value).forEach((k) => { fakeError[k] = value[k]; });
value = fakeError;
}
return e;
return value;
});
event = new LoggingEvent(
rehydratedEvent.categoryName,