Add syntax highlighting to init

Cargo.lock

@@ -123,6 +123,15 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -291,6 +300,15 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
+[[package]]
+name = "crc32fast"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "darling"
 version = "0.20.10"
@@ -366,6 +384,7 @@ dependencies = [
  "owo-colors 4.0.0",
  "reqwest",
  "serde_json",
+ "syntect",
  "tokio",
 ]
 
@@ -462,6 +481,16 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fc0510504f03c51ada170672ac806f1f105a88aa97a5281117e1ddc3368e51a"
 
+[[package]]
+name = "flate2"
+version = "1.0.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f54427cfd1c7829e2a139fcefea601bf088ebca651d2bf53ebc600eac295dae"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -1055,6 +1084,12 @@ version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.14"
@@ -1190,6 +1225,28 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "onig"
+version = "6.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c4b31c8722ad9171c6d77d3557db078cab2bd50afcc9d09c8b315c59df8ca4f"
+dependencies = [
+ "bitflags 1.3.2",
+ "libc",
+ "once_cell",
+ "onig_sys",
+]
+
+[[package]]
+name = "onig_sys"
+version = "69.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b829e3d7e9cc74c7e315ee8edb185bf4190da5acde74afd7fc59c35b1f086e7"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
+
 [[package]]
 name = "openssl"
 version = "0.10.64"
@@ -1313,6 +1370,19 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
+[[package]]
+name = "plist"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42cf17e9a1800f5f396bc67d193dc9411b59012a5876445ef450d449881e1016"
+dependencies = [
+ "base64",
+ "indexmap 2.2.6",
+ "quick-xml",
+ "serde",
+ "time",
+]
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -1334,6 +1404,15 @@ version = "28.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "744a264d26b88a6a7e37cbad97953fa233b94d585236310bcbc88474b4092d79"
 
+[[package]]
+name = "quick-xml"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d3a6e5838b60e0e8fa7a43f22ade549a37d61f8bdbe636d0d7816191de969c2"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.36"
@@ -1714,6 +1793,28 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7065abeca94b6a8a577f9bd45aa0867a2238b74e8eb67cf10d492bc39351394"
 
+[[package]]
+name = "syntect"
+version = "5.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "874dcfa363995604333cf947ae9f751ca3af4522c60886774c4963943b4746b1"
+dependencies = [
+ "bincode",
+ "bitflags 1.3.2",
+ "flate2",
+ "fnv",
+ "once_cell",
+ "onig",
+ "plist",
+ "regex-syntax",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "thiserror",
+ "walkdir",
+ "yaml-rust",
+]
+
 [[package]]
 name = "system-configuration"
 version = "0.5.1"
@@ -2307,6 +2408,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "yaml-rust"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
+dependencies = [
+ "linked-hash-map",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.8.1"

crates/dinopkg-cli/Cargo.toml

@@ -24,3 +24,4 @@ camino = "1.1.7"
 gix-config = "0.37.0"
 maplit = "1.0.2"
 serde_json = "1.0.120"
+syntect = "5.2.0"

crates/dinopkg-cli/src/command/init.rs

@@ -1,15 +1,28 @@
 use std::env;
 
 use camino::Utf8PathBuf;
+use color_eyre::eyre::eyre;
 use color_eyre::Result;
 use dialoguer::{theme::ColorfulTheme, Confirm, Input};
 use dinopkg_package_json::PackageJson;
 use gix_config::File as GitConfigFile;
 use maplit::hashmap;
 use owo_colors::OwoColorize;
+use syntect::easy::HighlightLines;
+use syntect::highlighting::{Style, ThemeSet};
+use syntect::parsing::SyntaxSet;
+use syntect::util::{as_24_bit_terminal_escaped, LinesWithEndings};
 use tokio::fs;
 
 pub async fn init() -> Result<()> {
+    // FIXME: one instance should be loaded at start
+    let ps = SyntaxSet::load_defaults_newlines();
+    let ts = ThemeSet::load_defaults();
+    let syntax = ps
+        .find_syntax_by_extension("json")
+        .ok_or(eyre!("failed to load json syntax"))?;
+    let mut h = HighlightLines::new(syntax, &ts.themes["base16-eighties.dark"]);
+
     // Get some project/env specific info to make the defaults more relevant
     let current_dir = Utf8PathBuf::try_from(env::current_dir()?)?;
     let current_dir_name = current_dir.file_name().unwrap_or("package");
@@ -86,12 +99,18 @@ pub async fn init() -> Result<()> {
         dependencies: None,
         dev_dependencies: None,
     };
-    let output = serde_json::to_string_pretty(&package_json)?;
 
     println!(
-        "\nI will write the following output to {}:\n{output}\n",
+        "\nI will write the following output to {}:",
         "`package.json`".purple()
     );
+    let output = serde_json::to_string_pretty(&package_json)?;
+    for line in LinesWithEndings::from(&output) {
+        let ranges: Vec<(Style, &str)> = h.highlight_line(line, &ps).unwrap();
+        let escaped = as_24_bit_terminal_escaped(&ranges[..], false);
+        print!("{}", escaped);
+    }
+    println!("\x1b[0m");
 
     let yes = Confirm::with_theme(&ColorfulTheme::default())
         .with_prompt("Is this okay?")