Make basic Signal Digith work

src/ui/Digith/Signal/NewSignalDraftDigith.tsx

@@ -0,0 +1,107 @@
+import { createSignal } from "solid-js";
+import { Digith } from "src/ui/Digith";
+import { useProgram } from "src/ui/ProgramProvider";
+import { CodeEditor } from "src/ui/Component/CodeEditor";
+import { sourceText } from "src/lang/parser/source_text";
+import { Program } from "src/lang/program";
+import { V, Validation, letValidate } from "src/ui/validation";
+import { validateNameRaw, validateSignalExprRaw } from "src/ui/validation/helpers";
+import { DigithError } from "src/ui/Digith/DigithError";
+import { spawnSignalDigith } from "src/ui/Scrowl/scrowlStore";
+
+type Input = {
+  raw_name: string,
+  raw_body: string,
+}
+
+const validator: Validation<Input, Program.CreateSignal, DigithError> = letValidate(
+  (input) =>({
+    name: V.elseErr(validateNameRaw(input.raw_name), err =>({
+      payload: { tag: "Parse", err, src: sourceText(input.raw_name) },
+      ids: ["name"],
+      tags: ["footer"],
+      config: { title: "Signal Name", display: "flat" },
+    })),
+    body: V.elseErr(validateSignalExprRaw(input.raw_body), err => ({
+      payload: { tag: "Parse", err, src: sourceText(input.raw_body) },
+      ids: ["body"],
+      tags: ["footer"],
+      config: { title: "Signal Body", display: "flat" },
+    })),
+  }),
+  (fields, input) => {
+    const createSignal: Program.CreateSignal = {
+      name: fields.name,
+      body: fields.body,
+      raw_body: input.raw_body,
+    };
+
+    return V.ok(createSignal);
+})
+
+
+export function NewSignalDraftDigith(props: { draft: Digith.NewSignalDraft }) {
+  const program = useProgram();
+
+  const [name, setName] = createSignal(props.draft.raw_name);
+  const [body, setBody] = createSignal(props.draft.raw_body);
+
+  const [errors, setErrors] = createSignal<DigithError[]>([]);
+
+  function handleCommit() {
+    setErrors([]);
+    const validRes = validator({ raw_name: name(), raw_body: body() });
+    if (validRes.tag === "errors") {
+      setErrors(validRes.errors);
+      return;
+    }
+    const createSignal = validRes.value;
+
+    const programRes = Program.registerSignal(program, createSignal);
+    if (programRes.tag === "error") {
+      setErrors([{
+        payload: { tag: "Program", err: programRes.error },
+        ids: ["program"],
+        tags: ["footer"],
+        config: { title: "Registration Failed" },
+      }]);
+      return;
+    }
+    const signalName = programRes.value;
+
+    spawnSignalDigith(program, signalName, props.draft.id);
+  };
+
+  return (
+    <article>
+      <header><strong>Signal (Draft)</strong></header>
+
+      <div class="grid">
+        <label>
+          Name
+          <input 
+            type="text" 
+            placeholder="my_sig" 
+            value={name()} 
+            onInput={(e) => setName(e.currentTarget.value)} 
+          />
+        </label>
+      </div>
+
+      <label>Body</label>
+      <CodeEditor 
+        value={body()} 
+        onUpdate={setBody} 
+        onRun={handleCommit} 
+      />
+
+      <footer>
+        <button class="primary" onClick={handleCommit}>Commit</button>
+      </footer>
+
+      <div style={{ "margin-top": "1rem" }}>
+        <DigithError.ByTag errors={errors()} tag="footer" />
+      </div>
+    </article>
+  );
+}