From 18a2cd1edc751415b8db6d792bfc4c5f5359f597 Mon Sep 17 00:00:00 2001
From: Kasper Isager <kasperisager@gmail.com>
Date: Wed, 10 Feb 2021 11:35:05 +0100
Subject: [PATCH] Progress on source view component

---
 .../alfa-interviewer-console/package.json     |   1 +
 .../src/component/source.tsx                  | 182 ++++++++++++++++++
 .../test/console.spec.tsx                     |  28 +++
 .../alfa-interviewer-console/tsconfig.json    |  13 +-
 4 files changed, 222 insertions(+), 2 deletions(-)
 create mode 100644 packages/alfa-interviewer-console/src/component/source.tsx
 create mode 100644 packages/alfa-interviewer-console/test/console.spec.tsx

diff --git a/packages/alfa-interviewer-console/package.json b/packages/alfa-interviewer-console/package.json
index a93d646dae..e21c0d8b59 100644
--- a/packages/alfa-interviewer-console/package.json
+++ b/packages/alfa-interviewer-console/package.json
@@ -19,6 +19,7 @@
   ],
   "dependencies": {
     "@siteimprove/alfa-act": "^0.10.0",
+    "@siteimprove/alfa-dom": "^0.10.0",
     "@siteimprove/alfa-future": "^0.10.0",
     "@siteimprove/alfa-interviewer": "^0.10.0",
     "@siteimprove/alfa-option": "^0.10.0",
diff --git a/packages/alfa-interviewer-console/src/component/source.tsx b/packages/alfa-interviewer-console/src/component/source.tsx
new file mode 100644
index 0000000000..e6b61f3eeb
--- /dev/null
+++ b/packages/alfa-interviewer-console/src/component/source.tsx
@@ -0,0 +1,182 @@
+import React, { FunctionComponent } from "react";
+
+import * as ink from "ink";
+
+import * as dom from "@siteimprove/alfa-dom";
+
+export const Source: FunctionComponent<Source.Props> = ({ source }) => (
+  <Node source={source} />
+);
+
+export namespace Source {
+  export interface Props {
+    source: dom.Node;
+  }
+}
+
+const Node: FunctionComponent<Node.Props> = ({ source }) => {
+  if (dom.Element.isElement(source)) {
+    return <Element source={source} />;
+  }
+
+  if (dom.Attribute.isAttribute(source)) {
+    return <Attribute source={source} />;
+  }
+
+  if (dom.Text.isText(source)) {
+    return <Text source={source} />;
+  }
+
+  if (dom.Document.isDocument(source)) {
+    return <Document source={source} />;
+  }
+
+  if (dom.Type.isType(source)) {
+    return <Type source={source} />;
+  }
+
+  if (dom.Shadow.isShadow(source)) {
+    return <Shadow source={source} />;
+  }
+
+  return null;
+};
+
+namespace Node {
+  export interface Props {
+    source: dom.Node;
+  }
+}
+
+const Document: FunctionComponent<Document.Props> = ({ source }) => {
+  const children = source.children();
+
+  return (
+    <ink.Box flexDirection="column">
+      <ink.Text color="blackBright">#document</ink.Text>
+
+      <ink.Box marginLeft={2} flexDirection="column">
+        {children.isEmpty()
+          ? null
+          : children.map((child, index) => <Node source={child} key={index} />)}
+      </ink.Box>
+    </ink.Box>
+  );
+};
+
+namespace Document {
+  export interface Props {
+    source: dom.Document;
+  }
+}
+
+const Type: React.FunctionComponent<Type.Props> = ({ source }) => (
+  <ink.Text color="blackBright">
+    {"<!doctype "}
+    {source.name}
+    {">"}
+  </ink.Text>
+);
+
+namespace Type {
+  export interface Props {
+    source: dom.Type;
+  }
+}
+
+const Shadow: React.FunctionComponent<Shadow.Props> = ({ source }) => {
+  const children = source.children();
+
+  return (
+    <ink.Box flexDirection="column">
+      <ink.Text>#shadow-root ({source.mode})</ink.Text>
+
+      <ink.Box marginLeft={2} flexDirection="column">
+        {children.isEmpty()
+          ? null
+          : children.map((child, index) => <Node source={child} key={index} />)}
+      </ink.Box>
+    </ink.Box>
+  );
+};
+
+namespace Shadow {
+  export interface Props {
+    source: dom.Shadow;
+  }
+}
+
+const Element: React.FunctionComponent<Element.Props> = ({ source }) => {
+  const children = source.children({
+    composed: true,
+    nested: true,
+  });
+
+  return (
+    <ink.Box flexDirection="column">
+      <ink.Box>
+        <ink.Text>{"<"}</ink.Text>
+        <ink.Text color="red">{source.name}</ink.Text>
+
+        {[...source.attributes].map((attribute, index) => (
+          <ink.Box key={index} marginLeft={1}>
+            <Attribute source={attribute} />
+          </ink.Box>
+        ))}
+
+        <ink.Text>{">"}</ink.Text>
+      </ink.Box>
+
+      <ink.Box marginLeft={2} flexDirection="column">
+        {children.isEmpty()
+          ? null
+          : children.map((child, index) => <Node source={child} key={index} />)}
+      </ink.Box>
+
+      {source.isVoid() ? null : (
+        <ink.Box>
+          <ink.Text>{"</"}</ink.Text>
+          <ink.Text color="red">{source.name}</ink.Text>
+          <ink.Text>{">"}</ink.Text>
+        </ink.Box>
+      )}
+    </ink.Box>
+  );
+};
+
+namespace Element {
+  export interface Props {
+    source: dom.Element;
+  }
+}
+
+const Attribute: React.FunctionComponent<Attribute.Props> = ({ source }) => (
+  <ink.Box>
+    <ink.Text color="yellow">{source.name}</ink.Text>
+    <ink.Text>{'="'}</ink.Text>
+    <ink.Text color="blue">{source.value}</ink.Text>
+    <ink.Text>{'"'}</ink.Text>
+  </ink.Box>
+);
+
+namespace Attribute {
+  export interface Props {
+    source: dom.Attribute;
+  }
+}
+
+const Text: React.FunctionComponent<Text.Props> = ({ source }) => {
+  const { data } = source;
+
+  if (data.trim() === "") {
+    return null;
+  }
+
+  return <ink.Text>"{data}"</ink.Text>;
+};
+
+namespace Text {
+  export interface Props {
+    source: dom.Text;
+  }
+}
diff --git a/packages/alfa-interviewer-console/test/console.spec.tsx b/packages/alfa-interviewer-console/test/console.spec.tsx
new file mode 100644
index 0000000000..0e2549f038
--- /dev/null
+++ b/packages/alfa-interviewer-console/test/console.spec.tsx
@@ -0,0 +1,28 @@
+import React from "react";
+
+import { render } from "ink";
+
+import { h } from "@siteimprove/alfa-dom/h";
+
+import { Source } from "../src/component/source";
+
+render(
+  <Source
+    source={h.document([
+      h.type("html"),
+      h(
+        "html",
+        [],
+        [
+          h(
+            "body",
+            {
+              lang: "en",
+            },
+            [h("p", [], ["Hello world"])]
+          ),
+        ]
+      ),
+    ])}
+  />
+);
diff --git a/packages/alfa-interviewer-console/tsconfig.json b/packages/alfa-interviewer-console/tsconfig.json
index 53a1894549..b496a4c6d5 100644
--- a/packages/alfa-interviewer-console/tsconfig.json
+++ b/packages/alfa-interviewer-console/tsconfig.json
@@ -3,13 +3,22 @@
   "extends": "../tsconfig.json",
   "compilerOptions": {
     "esModuleInterop": true,
-    "jsxFactory": "React.createElement"
+    "jsxFactory": "React.createElement",
+    "jsxFragmentFactory": "React.Fragment"
   },
-  "files": ["src/console.tsx", "src/index.ts"],
+  "files": [
+    "src/component/source.tsx",
+    "src/console.tsx",
+    "src/index.ts",
+    "test/console.spec.tsx"
+  ],
   "references": [
     {
       "path": "../alfa-act"
     },
+    {
+      "path": "../alfa-dom"
+    },
     {
       "path": "../alfa-future"
     },