From d7300c214b61484c3773e5f57a4fd47cbe08c856 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Filipe=20Caba=C3=A7o?= <filipecabaco@gmail.com>
Date: Sat, 25 Nov 2023 02:51:11 +0000
Subject: [PATCH] syntax highlight using eex and phoenix_html

---
 example/lib/example.ex | 14 +++++---------
 example/mix.lock       |  2 +-
 lib/francis_htmx.ex    | 17 ++++++++++++-----
 mix.exs                |  1 +
 mix.lock               |  3 ++-
 5 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/example/lib/example.ex b/example/lib/example.ex
index 3812bc4..ff65cb3 100644
--- a/example/lib/example.ex
+++ b/example/lib/example.ex
@@ -5,15 +5,11 @@ defmodule Example do
   htmx(fn _conn -> File.read!("static/root.html") end)
 
   get("/colors", fn _ ->
-    new_color =
-      3
-      |> :crypto.strong_rand_bytes()
-      |> Base.encode16()
-      |> then(&"##{&1}")
-
-    """
-    <p id="color-demo" class="smooth" style="color:#{new_color}">
-      Color Swap Demo
+    new_color = 3 |> :crypto.strong_rand_bytes() |> Base.encode16() |> then(&"##{&1}")
+    assigns = %{new_color: new_color}
+    ~E"""
+    <p id="color-demo" class="smooth" style="<%= "color:#{@new_color}"%>">
+    Color Swap Demo
     </p>
     """
   end)
diff --git a/example/mix.lock b/example/mix.lock
index 12aa1bb..9e18cb3 100644
--- a/example/mix.lock
+++ b/example/mix.lock
@@ -1,10 +1,10 @@
 %{
   "bandit": {:hex, :bandit, "1.1.1", "7158770ed1584c12964902ebce91c649b2c37a56e8ff36cc4f394baeca0876dc", [:mix], [{:hpax, "~> 0.1.1", [hex: :hpax, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:thousand_island, "~> 1.0", [hex: :thousand_island, repo: "hexpm", optional: false]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}], "hexpm", "d521272da28186412d4f8b480e17009f0bafb844dc7ac7e7a30d79eaf1f141fd"},
   "francis": {:hex, :francis, "0.1.4", "1aa44b8bb9f7bd97839b742b4447e10a4be9712b8c6130777597779849c4f440", [:mix], [{:bandit, "~> 1.0", [hex: :bandit, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}, {:websock_adapter, "~> 0.5.4", [hex: :websock_adapter, repo: "hexpm", optional: false]}], "hexpm", "8611d483f54cc87ec9ef33fdab5f18f2ce2766cda3c30eddc991795fcda61cee"},
-  "francis_htmx": {:hex, :francis_htmx, "0.0.1", "d31fd250d765ce90b1d7d3f2ca6f3fab317042af33317417ce3e50e8ad6df2eb", [:mix], [{:francis, "~> 0.1", [hex: :francis, repo: "hexpm", optional: false]}], "hexpm", "7ea9bbfd4674112a559a9943a6a036c19eeac953f4cb0c643d5c99ab3a5bdcab"},
   "hpax": {:hex, :hpax, "0.1.2", "09a75600d9d8bbd064cdd741f21fc06fc1f4cf3d0fcc335e5aa19be1a7235c84", [:mix], [], "hexpm", "2c87843d5a23f5f16748ebe77969880e29809580efdaccd615cd3bed628a8c13"},
   "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
   "mime": {:hex, :mime, "2.0.5", "dc34c8efd439abe6ae0343edbb8556f4d63f178594894720607772a041b04b02", [:mix], [], "hexpm", "da0d64a365c45bc9935cc5c8a7fc5e49a0e0f9932a761c55d6c52b142780a05c"},
+  "phoenix_html": {:hex, :phoenix_html, "3.3.3", "380b8fb45912b5638d2f1d925a3771b4516b9a78587249cabe394e0a5d579dc9", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "923ebe6fec6e2e3b3e569dfbdc6560de932cd54b000ada0208b5f45024bdd76c"},
   "plug": {:hex, :plug, "1.15.2", "94cf1fa375526f30ff8770837cb804798e0045fd97185f0bb9e5fcd858c792a3", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "02731fa0c2dcb03d8d21a1d941bdbbe99c2946c0db098eee31008e04c6283615"},
   "plug_crypto": {:hex, :plug_crypto, "2.0.0", "77515cc10af06645abbfb5e6ad7a3e9714f805ae118fa1a70205f80d2d70fe73", [:mix], [], "hexpm", "53695bae57cc4e54566d993eb01074e4d894b65a3766f1c43e2c61a1b0f45ea9"},
   "telemetry": {:hex, :telemetry, "1.2.1", "68fdfe8d8f05a8428483a97d7aab2f268aaff24b49e0f599faa091f1d4e7f61c", [:rebar3], [], "hexpm", "dad9ce9d8effc621708f99eac538ef1cbe05d6a874dd741de2e689c47feafed5"},
diff --git a/lib/francis_htmx.ex b/lib/francis_htmx.ex
index e83c0b0..76031ad 100644
--- a/lib/francis_htmx.ex
+++ b/lib/francis_htmx.ex
@@ -1,12 +1,19 @@
 defmodule FrancisHtmx do
-  defmacro __using__(_opts \\ []) do
+  defmacro htmx(content, opts \\ []) do
     quote location: :keep do
-      unmatched(fn _ -> "not found" end)
+      get("/", fn conn -> root(unquote(content).(conn), unquote(opts)) end)
     end
   end
-  defmacro htmx(content, opts\\[]) do
-    quote location: :keep do
-      get("/", fn conn -> root(unquote(content).(conn), unquote(opts)) end)
+
+  defmacro sigil_E(content, _opts \\ []) do
+    unless Macro.Env.has_var?(__CALLER__, {:assigns, nil}) do
+      raise "~H requires a variable named \"assigns\" to exist and be set to a map"
+    end
+
+    quote do
+      unquote(content)
+      |> EEx.eval_string([assigns: var!(assigns)], engine: Phoenix.HTML.Engine)
+      |> then(fn {:safe, content} -> Enum.join(content) end)
     end
   end
 
diff --git a/mix.exs b/mix.exs
index a176c6b..4e213ed 100644
--- a/mix.exs
+++ b/mix.exs
@@ -33,6 +33,7 @@ defmodule FrancisHtmx.MixProject do
   defp deps do
     [
       {:francis, "~> 0.1"},
+      {:phoenix_html, "~> 3.3"},
       {:ex_doc, ">= 0.0.0", only: :dev, runtime: false},
       {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
       {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
diff --git a/mix.lock b/mix.lock
index 09ba771..6e2d658 100644
--- a/mix.lock
+++ b/mix.lock
@@ -3,7 +3,7 @@
   "bunt": {:hex, :bunt, "0.2.1", "e2d4792f7bc0ced7583ab54922808919518d0e57ee162901a16a1b6664ef3b14", [:mix], [], "hexpm", "a330bfb4245239787b15005e66ae6845c9cd524a288f0d141c148b02603777a5"},
   "credo": {:hex, :credo, "1.7.1", "6e26bbcc9e22eefbff7e43188e69924e78818e2fe6282487d0703652bc20fd62", [:mix], [{:bunt, "~> 0.2.1", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2.8", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "e9871c6095a4c0381c89b6aa98bc6260a8ba6addccf7f6a53da8849c748a58a2"},
   "dialyxir": {:hex, :dialyxir, "1.4.2", "764a6e8e7a354f0ba95d58418178d486065ead1f69ad89782817c296d0d746a5", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "516603d8067b2fd585319e4b13d3674ad4f314a5902ba8130cd97dc902ce6bbd"},
-  "earmark_parser": {:hex, :earmark_parser, "1.4.38", "b42252eddf63bda05554ba8be93a1262dc0920c721f1aaf989f5de0f73a2e367", [:mix], [], "hexpm", "2cd0907795aaef0c7e8442e376633c5b3bd6edc8dbbdc539b22f095501c1cdb6"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.39", "424642f8335b05bb9eb611aa1564c148a8ee35c9c8a8bba6e129d51a3e3c6769", [:mix], [], "hexpm", "06553a88d1f1846da9ef066b87b57c6f605552cfbe40d20bd8d59cc6bde41944"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
   "ex_doc": {:hex, :ex_doc, "0.30.9", "d691453495c47434c0f2052b08dd91cc32bc4e1a218f86884563448ee2502dd2", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "d7aaaf21e95dc5cddabf89063327e96867d00013963eadf2c6ad135506a8bc10"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
@@ -16,6 +16,7 @@
   "mime": {:hex, :mime, "2.0.5", "dc34c8efd439abe6ae0343edbb8556f4d63f178594894720607772a041b04b02", [:mix], [], "hexpm", "da0d64a365c45bc9935cc5c8a7fc5e49a0e0f9932a761c55d6c52b142780a05c"},
   "mix_audit": {:hex, :mix_audit, "2.1.1", "653aa6d8f291fc4b017aa82bdb79a4017903902ebba57960ef199cbbc8c008a1", [:make, :mix], [{:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:yaml_elixir, "~> 2.9", [hex: :yaml_elixir, repo: "hexpm", optional: false]}], "hexpm", "541990c3ab3a7bb8c4aaa2ce2732a4ae160ad6237e5dcd5ad1564f4f85354db1"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.4.0", "51f9b613ea62cfa97b25ccc2c1b4216e81df970acd8e16e8d1bdc58fef21370d", [:mix], [], "hexpm", "9c565862810fb383e9838c1dd2d7d2c437b3d13b267414ba6af33e50d2d1cf28"},
+  "phoenix_html": {:hex, :phoenix_html, "3.3.3", "380b8fb45912b5638d2f1d925a3771b4516b9a78587249cabe394e0a5d579dc9", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "923ebe6fec6e2e3b3e569dfbdc6560de932cd54b000ada0208b5f45024bdd76c"},
   "plug": {:hex, :plug, "1.15.2", "94cf1fa375526f30ff8770837cb804798e0045fd97185f0bb9e5fcd858c792a3", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "02731fa0c2dcb03d8d21a1d941bdbbe99c2946c0db098eee31008e04c6283615"},
   "plug_crypto": {:hex, :plug_crypto, "2.0.0", "77515cc10af06645abbfb5e6ad7a3e9714f805ae118fa1a70205f80d2d70fe73", [:mix], [], "hexpm", "53695bae57cc4e54566d993eb01074e4d894b65a3766f1c43e2c61a1b0f45ea9"},
   "sobelow": {:hex, :sobelow, "0.13.0", "218afe9075904793f5c64b8837cc356e493d88fddde126a463839351870b8d1e", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "cd6e9026b85fc35d7529da14f95e85a078d9dd1907a9097b3ba6ac7ebbe34a0d"},