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caching enabled status per logger
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containmentbreach committed Dec 3, 2020
1 parent 0d3d66b commit f0f645e
Showing 1 changed file with 13 additions and 1 deletion.
14 changes: 13 additions & 1 deletion src/common.js
Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,7 @@ function setup(env) {
function createDebug(namespace) {
let prevTime;
let enableOverride = null;
let namespacesCache, enabledCache;

function debug(...args) {
// Disabled?
Expand Down Expand Up @@ -120,7 +121,17 @@ function setup(env) {
Object.defineProperty(debug, 'enabled', {
enumerable: true,
configurable: false,
get: () => enableOverride === null ? createDebug.enabled(namespace) : enableOverride,
get: () => {
if (enableOverride !== null) {
return enableOverride
}
if (namespacesCache !== createDebug.namespaces) {
namespacesCache = createDebug.namespaces;
enabledCache = createDebug.enabled(namespace);
}
return enabledCache;

},
set: v => {
enableOverride = v;
}
Expand Down Expand Up @@ -149,6 +160,7 @@ function setup(env) {
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.namespaces = namespaces;

createDebug.names = [];
createDebug.skips = [];
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