fix: use copy of cached value (#668)

cheng-kang · QingWei-Li · commit 5fcf210dd190 · 2018-11-01T08:04:25.000+08:00
diff --git a/src/core/render/embed.js b/src/core/render/embed.js
@@ -57,9 +57,11 @@ function walkFetchEmbed({embedTokens, compile, fetch}, cb) {
 }
 
 export function prerenderEmbed({compiler, raw = '', fetch}, done) {
-  let hit
-  if ((hit = cached[raw])) {
-    return done(hit)
+  let hit = cached[raw]
+  if (hit) {
+    const copy = hit.slice()
+    copy.links = hit.links
+    return done(copy)
   }
 
   const compile = compiler._marked

Original file line number	Diff line number	Diff line change
`@@ -57,9 +57,11 @@ function walkFetchEmbed({embedTokens, compile, fetch}, cb) {`
`57`	`57`	`}`
`58`	`58`
`59`	`59`	`export function prerenderEmbed({compiler, raw = '', fetch}, done) {`
`60`		`- let hit`
`61`		`- if ((hit = cached[raw])) {`
`62`		`- return done(hit)`
	`60`	`+ let hit = cached[raw]`
	`61`	`+ if (hit) {`
	`62`	`+ const copy = hit.slice()`
	`63`	`+ copy.links = hit.links`
	`64`	`+ return done(copy)`
`63`	`65`	`}`
`64`	`66`
`65`	`67`	`const compile = compiler._marked`