From e441f66e1777e92c2d091bf22c739e7f5c9d5e6b Mon Sep 17 00:00:00 2001
From: Rodney Lab <codesign@rodneylab.com>
Date: Thu, 28 Nov 2024 09:14:30 +0000
Subject: [PATCH] =?UTF-8?q?ci:=20=F0=9F=90=9D=20add=20JSR=20metadata?=
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---
 deno.json         |  5 +++-
 src/text/mod.rs   | 66 +++++++++++++++++++++++++++++++++++++++++++++++
 src/text/tests.rs | 43 ++++++++++++++++++++++++++++++
 3 files changed, 113 insertions(+), 1 deletion(-)
 create mode 100644 src/text/mod.rs
 create mode 100644 src/text/tests.rs

diff --git a/deno.json b/deno.json
index f420400..388ba0f 100644
--- a/deno.json
+++ b/deno.json
@@ -1,4 +1,8 @@
 {
+  "name": "@rodney/parsedown",
+  "version": "0.4.2",
+  "license": "BSD-3-Clause",
+  "exports": "./mod.ts",
   "fmt": {
     "exclude": [".github/"]
   },
@@ -7,6 +11,5 @@
     "test": "deno test -A",
     "wasmbuild": "deno run -A jsr:@deno/wasmbuild@0.17.3 --project=parsedown"
   },
-  "exclude": ["lib/"],
   "imports": { "@std/assert": "jsr:@std/assert@^1.0.8" }
 }
diff --git a/src/text/mod.rs b/src/text/mod.rs
new file mode 100644
index 0000000..fc6f5a1
--- /dev/null
+++ b/src/text/mod.rs
@@ -0,0 +1,66 @@
+#[cfg(test)]
+mod tests;
+
+use std::borrow::Cow;
+
+pub fn format_line<'a, I: Into<Cow<'a, str>>>(line: I) -> Cow<'a, str> {
+    let line = line.into();
+    fn is_replace_character(c: char) -> bool {
+        c == '\'' || c == '"'
+    }
+
+    let first = line.find(is_replace_character);
+    if let Some(value) = first {
+        let (mut result, rest) = match value {
+            0 => match &line[0..1] {
+                "\"" => (String::from('\u{201c}'), line[1..].chars()),
+                "'" => (String::from('\u{2018}'), line[1..].chars()),
+                _ => (String::from(&line[0..value]), line[value..].chars()),
+            },
+            _ => {
+                if &line[(value - 1)..value] == " " {
+                    (
+                        String::from(&line[0..(value - 1)]),
+                        line[(value - 1)..].chars(),
+                    )
+                } else {
+                    (String::from(&line[0..value]), line[value..].chars())
+                }
+            }
+        };
+        result.reserve(line.len() - value);
+
+        let mut preceded_by_space = false;
+        for c in rest {
+            match c {
+                '\'' => {
+                    if preceded_by_space {
+                        preceded_by_space = false;
+                        result.push('\u{2018}')
+                    } else {
+                        result.push('\u{2019}')
+                    }
+                }
+                '"' => {
+                    if preceded_by_space {
+                        preceded_by_space = false;
+                        result.push('\u{201c}')
+                    } else {
+                        result.push('\u{201d}')
+                    }
+                }
+                ' ' => {
+                    preceded_by_space = true;
+                    result.push(c);
+                }
+                _ => {
+                    preceded_by_space = false;
+                    result.push(c);
+                }
+            }
+        }
+        Cow::Owned(result)
+    } else {
+        line
+    }
+}
diff --git a/src/text/tests.rs b/src/text/tests.rs
new file mode 100644
index 0000000..6954817
--- /dev/null
+++ b/src/text/tests.rs
@@ -0,0 +1,43 @@
+use crate::text::format_line;
+
+#[test]
+fn format_line_replaces_inner_apostrophe() {
+    let line = "My apple's quite tasty.";
+    let result = format_line(line);
+    assert_eq!(result, "My apple’s quite tasty.");
+}
+
+#[test]
+fn test_line_replaces_outer_apostrophe() {
+    let line = "My trees' apples are tasty.";
+    let result = format_line(line);
+    assert_eq!(result, "My trees’ apples are tasty.");
+}
+
+#[test]
+fn test_line_adds_double_smart_quotes() {
+    let line = r#"The person said "My apple is quite tasty.""#;
+    let result = format_line(line);
+    assert_eq!(result, r#"The person said “My apple is quite tasty.”"#);
+}
+
+#[test]
+fn test_line_adds_single_smart_quotes() {
+    let line = "My apple is quite 'tasty'.";
+    let result = format_line(line);
+    assert_eq!(result, "My apple is quite ‘tasty’.");
+}
+
+#[test]
+fn test_line_replaces_unmatched_single_double_quote_pairs() {
+    let line = r#"My apple is quite 'tasty"."#;
+    let result = format_line(line);
+    assert_eq!(result, "My apple is quite ‘tasty”.");
+}
+
+#[test]
+fn test_line_does_nothing_when_line_has_no_quotes_or_apostrophes() {
+    let line = "My apple is quite tasty.";
+    let result = format_line(line);
+    assert_eq!(result, "My apple is quite tasty.");
+}