From 87df483f8b334913349f24a2a6ad567d5800e790 Mon Sep 17 00:00:00 2001
From: David Moulton <d.moulton@elifesciences.org>
Date: Fri, 27 Mar 2020 15:26:46 +0000
Subject: [PATCH] feat(Elife): Obtain article id & use in download menu links

---
 src/themes/elife/index.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/themes/elife/index.ts b/src/themes/elife/index.ts
index f8dff2558..38491d9cd 100644
--- a/src/themes/elife/index.ts
+++ b/src/themes/elife/index.ts
@@ -1,4 +1,4 @@
-import { first, ready } from '../../util'
+import {first, ready, select} from '../../util'
 import * as downloads from './downloads'
 import DateTimeFormat = Intl.DateTimeFormat
 
@@ -15,11 +15,17 @@ const formatDate = (dateEl: Element | null): void => {
   }
 }
 
+const getArticleId = (): string => {
+  const selector =
+    ':--identifier meta[content="https://registry.identifiers.org/registry/publisher-id"] ~ [itemprop="value"]'
+  return first(selector)?.innerHTML ?? ''
+}
+
 ready((): void => {
   formatDate(first(':--datePublished'))
 
   downloads.build(
-    'TheArticleId',
+    getArticleId(),
     first(':--title')?.getAttribute('content') ?? ''
   )
 })