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AO-18716 fix node 14 non-existent property warning #139

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Feb 11, 2021
Merged

AO-18716 fix node 14 non-existent property warning #139

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9fbb0d5
Use hasOwnProperty to avoid triggering Node 14 warning on non-existen…
Feb 9, 2021
18c4255
Fix another case of Node 14 warning on non-existent property
Feb 9, 2021
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7 changes: 5 additions & 2 deletions lib/api-sim.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,11 @@ let cls;
module.exports = function (appoptics) {
ao = appoptics;
aob = ao.addon;
cls = ao.cls;
// check for property to avoid triggering node 14 warning on
// non-existent property in unfinished module.exports
if (ao.hasOwnProperty('cls')) {
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a suggestion:
if ('cls' in ao) { seems to be the pattern used in this code base for testing properties
hasOwnProperty is a bit more restrictive, as it would return false for inherited properties
Less restrictive may be more future-proof

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I don't have any insight into which approach is preferable, but can confirm that the 'cls' in ao style also prevents the warning from appearing.

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Good to know :). I did consider the property in object style checking but decided against it since these two properties are very specific to the agent and I didn't see a scenario where the agent would try inheriting them from some parent object.

cls = ao.cls;
}

// define the properties (some of which are part of the API)
definePropertiesOn(ao);
Expand Down Expand Up @@ -760,4 +764,3 @@ function insertLogObject (o = {}) {
function wrapLambdaHandler (fn) {
return fn;
}

4 changes: 3 additions & 1 deletion lib/api.js
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Expand Up @@ -34,7 +34,9 @@ module.exports = function (appoptics) {
ao.maps.responseFinalizers = responseFinalizers;

// each invocation in lambda is counted
if (ao.lambda) {
// use property check that does not trigger node 14 warning on
// non-existent property in unfinished module.exports
if (ao.hasOwnProperty('lambda')) {
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  • dito -

ao.lambda.invocations = 0;
}

Expand Down