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Add a few tag functions

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This commit is contained in:
Jon Staab
2024-12-13 16:24:28 -08:00
parent 760d6d07cd
commit cdbc656e99
1 changed files with 13 additions and 2 deletions
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packages/util/src/Tags.ts
+13 -2
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@@ -8,9 +8,18 @@ export const getTags = (types: string | string[], tags: string[][]) => {
return tags.filter(t => types.includes(t[0]))
}
export const getTag = (types: string | string[], tags: string[][]) => {
types = ensurePlural(types)
return tags.find(t => types.includes(t[0]))
}
export const getTagValues = (types: string | string[], tags: string[][]) =>
getTags(types, tags).map(nth(1))
export const getTagValue = (types: string | string[], tags: string[][]) =>
getTag(types, tags)?.[1]
export const getEventTags = (tags: string[][]) =>
tags.filter(t => ["e"].includes(t[0]) && t[1].length === 64)
@@ -26,9 +35,9 @@ export const getPubkeyTags = (tags: string[][]) =>
export const getPubkeyTagValues = (tags: string[][]) => getPubkeyTags(tags).map(nth(1))
export const getTopicTags = (tags: string[][]) => tags.filter(t => ["t"].includes(t[0]))
export const getTopicTags = (tags: string[][]) => tags.filter(nthEq(0, "t"))
export const getTopicTagValues = (tags: string[][]) => getTopicTags(tags).map(nth(1))
export const getTopicTagValues = (tags: string[][]) => getTopicTags(tags).map(t => t[1].replace(/^#/, ''))
export const getRelayTags = (tags: string[][]) =>
tags.filter(t => ["r", "relay"].includes(t[0]) && isRelayUrl(t[1] || ""))
@@ -88,3 +97,5 @@ export const getRelayHints = (tags: string[][]) =>
uniq(tags.flatMap(t => t.slice(2).filter(isShareableRelayUrl)))
export const uniqTags = (tags: string[][]) => uniqBy(t => t.join(":"), tags)
export const tagsFromIMeta = (imeta: string[]) => imeta.map((m: string) => m.split(" "))