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Code Issues Releases Wiki Activity

Don't elide ledes that are shorter than 80 characters

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This commit is contained in:
Angelo Stavrow 2020-11-06 15:48:02 -05:00
parent 01b5633cc2
commit 62e3c9aa0e
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GPG Key ID: 1A49C7064E060EEE
1 changed files with 18 additions and 16 deletions
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34
Shared/PostList/PostListModel.swift
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@ -25,11 +25,8 @@ class PostListModel: ObservableObject {
// Strip any markdown from the post body.
let strippedPostBody = stripMarkdown(from: post.body)
// Get the first 80 characters.
let firstEightyChars = String(strippedPostBody.prefix(80))
// Extract lede from post.
elidedPostBody = extractLede(from: firstEightyChars)
elidedPostBody = extractLede(from: strippedPostBody)
return elidedPostBody
}
@ -99,21 +96,26 @@ private extension PostListModel {
}
func extractLede(from string: String) -> String {
if string.utf16.count <= 80 {
return string
}
let truncatedString = string.prefix(80)
let terminatingCharacters = CharacterSet(charactersIn: ".。?").union(.newlines)
var lede: String = ""
var lede: String
let sentences = string.components(separatedBy: terminatingCharacters)
if let firstSentence = sentences.filter({ !$0.isEmpty }).first {
if firstSentence == string {
if let endOfStringIndex = string.lastIndex(of: " ") {
lede = String(string[..<(endOfStringIndex )]) + "…"
} else {
lede = String(string[..<string.endIndex])
}
} else {
lede = firstSentence
}
// Extract the first sentence from the lede.
let sentences = truncatedString.components(separatedBy: terminatingCharacters)
let firstSentence = sentences.filter { !$0.isEmpty }[0]
if firstSentence == truncatedString {
let endOfStringIndex = truncatedString.lastIndex(of: " ")
lede = String(
truncatedString[..<(endOfStringIndex ?? truncatedString.index(truncatedString.endIndex, offsetBy: -2))]
) + "…"
} else {
lede = firstSentence
}
return lede