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孙灵跃 Leon Sun
coopwire-hypothesis
Commits
a3adf21a
Commit
a3adf21a
authored
Nov 08, 2021
by
Robert Knight
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Improve types in sidebar/helpers/build-thread.js
parent
7b775f6d
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1
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build-thread.js
src/sidebar/helpers/build-thread.js
+5
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src/sidebar/helpers/build-thread.js
View file @
a3adf21a
...
...
@@ -48,20 +48,22 @@ function annotationId(annotation) {
* Is there a valid path from the thread indicated by `id` to the root thread,
* with no circular references?
*
* @param {Record<string, Thread>} threads
* @param {string} id - The id of the thread to be verified
* @param {string} ancestorId - The ancestor of the thread indicated by id that
* is to be verified: is it extant and not a circular reference?
* @return {boolean}
*/
function
hasPathToRoot
(
threads
,
id
,
ancestorId
)
{
if
(
!
threads
[
ancestorId
]
||
threads
[
ancestorId
].
parent
===
id
)
{
const
ancestor
=
threads
[
ancestorId
];
if
(
!
ancestor
||
ancestor
.
parent
===
id
)
{
// Thread for ancestor not found, or points at itself: circular reference
return
false
;
}
else
if
(
!
threads
[
ancestorId
]
.
parent
)
{
}
else
if
(
!
ancestor
.
parent
)
{
// Top of the tree: we've made it
return
true
;
}
return
hasPathToRoot
(
threads
,
id
,
threads
[
ancestorId
]
.
parent
);
return
hasPathToRoot
(
threads
,
id
,
ancestor
.
parent
);
}
/**
...
...
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