From bd628e1e9e7b8885574c6c651010e5916c27ba3b Mon Sep 17 00:00:00 2001
From: Richard Doe <richard.doe@rwdit.net>
Date: Mon, 18 May 2020 16:37:12 +0100
Subject: [PATCH] Memoize annotation resources
---
src/lib/AnnotationList.js | 7 +++++--
src/lib/AnnotationPage.js | 7 +++++--
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/src/lib/AnnotationList.js b/src/lib/AnnotationList.js
index 2744d6e9c..701ac5695 100644
--- a/src/lib/AnnotationList.js
+++ b/src/lib/AnnotationList.js
@@ -21,8 +21,11 @@ export default class AnnotationList {
/** */
get resources() {
- if (!this.json || !this.json.resources) return [];
+ this._resources = this._resources || (() => { // eslint-disable-line no-underscore-dangle
+ if (!this.json || !this.json.resources) return [];
- return flatten([this.json.resources]).map(resource => new AnnotationResource(resource));
+ return flatten([this.json.resources]).map(resource => new AnnotationResource(resource));
+ })();
+ return this._resources; // eslint-disable-line no-underscore-dangle
}
}
diff --git a/src/lib/AnnotationPage.js b/src/lib/AnnotationPage.js
index 6eb0d9285..d83ac072d 100644
--- a/src/lib/AnnotationPage.js
+++ b/src/lib/AnnotationPage.js
@@ -24,9 +24,12 @@ export default class AnnotationPage {
/** */
get items() {
- if (!this.json || !this.json.items) return [];
+ this._items = this._items || (() => { // eslint-disable-line no-underscore-dangle
+ if (!this.json || !this.json.items) return [];
- return flatten([this.json.items]).map(resource => new AnnotationItem(resource));
+ return flatten([this.json.items]).map(resource => new AnnotationItem(resource));
+ })();
+ return this._items; // eslint-disable-line no-underscore-dangle
}
/**
--
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