From bc6b6a7db487abe0b0b4eecef03d4681645709ca Mon Sep 17 00:00:00 2001
From: Artemy Egorov <artegoser@gmail.com>
Date: Wed, 24 Jul 2024 23:48:18 +0300
Subject: [PATCH] feat: add typescript lib, add daletl parser, add html
 converter

---
 libs/typescript/.eslintrc.json           | 14 ++++++
 .gitignore => libs/typescript/.gitignore |  0
 libs/typescript/package.json             | 36 +++++++++++++
 libs/typescript/pnpm-lock.yaml           | 33 ++++++++++++
 libs/typescript/src/converters/html.ts   | 51 +++++++++++++++++++
 libs/typescript/src/converters/main.ts   |  1 +
 libs/typescript/src/daletl/main.ts       | 64 ++++++++++++++++++++++++
 libs/typescript/src/daletl/types.ts      | 14 ++++++
 libs/typescript/src/lib.ts               |  2 +
 libs/typescript/tsconfig.json            |  9 ++++
 10 files changed, 224 insertions(+)
 create mode 100644 libs/typescript/.eslintrc.json
 rename .gitignore => libs/typescript/.gitignore (100%)
 create mode 100644 libs/typescript/package.json
 create mode 100644 libs/typescript/pnpm-lock.yaml
 create mode 100644 libs/typescript/src/converters/html.ts
 create mode 100644 libs/typescript/src/converters/main.ts
 create mode 100644 libs/typescript/src/daletl/main.ts
 create mode 100644 libs/typescript/src/daletl/types.ts
 create mode 100644 libs/typescript/src/lib.ts
 create mode 100644 libs/typescript/tsconfig.json

diff --git a/libs/typescript/.eslintrc.json b/libs/typescript/.eslintrc.json
new file mode 100644
index 0000000..380b417
--- /dev/null
+++ b/libs/typescript/.eslintrc.json
@@ -0,0 +1,14 @@
+{
+  "env": {
+    "browser": true,
+    "es2021": true
+  },
+  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint"],
+  "rules": {}
+}
diff --git a/.gitignore b/libs/typescript/.gitignore
similarity index 100%
rename from .gitignore
rename to libs/typescript/.gitignore
diff --git a/libs/typescript/package.json b/libs/typescript/package.json
new file mode 100644
index 0000000..50cf9ec
--- /dev/null
+++ b/libs/typescript/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "@txtdot/dalet",
+  "version": "1.0.0-pre0",
+  "description": "Dalet realization in typescript",
+  "main": "dist/lib.js",
+  "types": "dist/lib.d.ts",
+  "files": [
+    "/dist"
+  ],
+  "scripts": {
+    "build": "tsc"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/TxtDot/dalet.git"
+  },
+  "keywords": [
+    "dalet",
+    "markup-language",
+    "markup",
+    "language",
+    "web"
+  ],
+  "author": "artegoser",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/TxtDot/dalet/issues"
+  },
+  "homepage": "https://github.com/TxtDot/dalet#readme",
+  "devDependencies": {
+    "tsc": "^2.0.4"
+  },
+  "dependencies": {
+    "@msgpack/msgpack": "3.0.0-beta2"
+  }
+}
diff --git a/libs/typescript/pnpm-lock.yaml b/libs/typescript/pnpm-lock.yaml
new file mode 100644
index 0000000..e226c92
--- /dev/null
+++ b/libs/typescript/pnpm-lock.yaml
@@ -0,0 +1,33 @@
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
+    dependencies:
+      '@msgpack/msgpack':
+        specifier: 3.0.0-beta2
+        version: 3.0.0-beta2
+    devDependencies:
+      tsc:
+        specifier: ^2.0.4
+        version: 2.0.4
+
+packages:
+
+  '@msgpack/msgpack@3.0.0-beta2':
+    resolution: {integrity: sha512-y+l1PNV0XDyY8sM3YtuMLK5vE3/hkfId+Do8pLo/OPxfxuFAUwcGz3oiiUuV46/aBpwTzZ+mRWVMtlSKbradhw==}
+    engines: {node: '>= 14'}
+
+  tsc@2.0.4:
+    resolution: {integrity: sha512-fzoSieZI5KKJVBYGvwbVZs/J5za84f2lSTLPYf6AGiIf43tZ3GNrI1QzTLcjtyDDP4aLxd46RTZq1nQxe7+k5Q==}
+    hasBin: true
+
+snapshots:
+
+  '@msgpack/msgpack@3.0.0-beta2': {}
+
+  tsc@2.0.4: {}
diff --git a/libs/typescript/src/converters/html.ts b/libs/typescript/src/converters/html.ts
new file mode 100644
index 0000000..dfa09a7
--- /dev/null
+++ b/libs/typescript/src/converters/html.ts
@@ -0,0 +1,51 @@
+import { Root, Tag } from "../daletl/types";
+
+interface Props {
+  [key: string]: string;
+}
+
+function hy(tag: string, body?: string, props?: Props) {
+  return `<${tag} ${
+    props
+      ? Object.entries(props)
+          .map(([key, value]) => `${key}="${value}"`)
+          .join(" ")
+      : ""
+  }>${body}</${tag}>`;
+}
+
+function comp(
+  name: string,
+  body: string | Tag[],
+  classNames: string,
+  classes: boolean,
+  props: Props = {}
+): string {
+  let realBody = Array.isArray(body)
+    ? body.map((b) => htmlTag(b, classes)).join("")
+    : body;
+  return hy(name, realBody, {
+    class: classes ? classNames : undefined,
+    ...props,
+  });
+}
+
+function element(tag: Tag, classes: boolean): string {
+  return comp("section", tag.body, "el", classes);
+}
+
+function heading(tag: Tag, classes: boolean): string {
+  if (typeof tag.argument !== "number") {
+    return comp("h1", tag.body, "h", classes);
+  }
+
+  return comp(`h${tag.argument}`, tag.body, `h hl${tag.argument}`, classes);
+}
+
+function htmlTag(tag: Tag, classes: boolean): string {
+  return [element, heading][tag.id](tag, classes);
+}
+
+export function toHtml(root: Root, classes: boolean = true): string {
+  return root.map((t) => htmlTag(t, classes)).join("");
+}
diff --git a/libs/typescript/src/converters/main.ts b/libs/typescript/src/converters/main.ts
new file mode 100644
index 0000000..1dfb5b9
--- /dev/null
+++ b/libs/typescript/src/converters/main.ts
@@ -0,0 +1 @@
+export { toHtml } from "./html";
diff --git a/libs/typescript/src/daletl/main.ts b/libs/typescript/src/daletl/main.ts
new file mode 100644
index 0000000..222f818
--- /dev/null
+++ b/libs/typescript/src/daletl/main.ts
@@ -0,0 +1,64 @@
+import { encode, decode } from "@msgpack/msgpack";
+import { ParseError, Root, Tag } from "./types";
+
+export function parseRawTag(raw_tag: any[] | string): Tag {
+  if (typeof raw_tag === "string") {
+    return {
+      id: 0,
+      body: raw_tag,
+      argument: null,
+    };
+  }
+
+  if (Array.isArray(raw_tag)) {
+    if (Array.isArray(raw_tag[0])) {
+      return {
+        id: 0,
+        body: parseRawTagBody(raw_tag),
+        argument: null,
+      };
+    }
+
+    if (typeof raw_tag[0] === "number") {
+      return {
+        id: raw_tag[0],
+        body: parseRawTagBody(raw_tag[1]),
+        argument: raw_tag[3] || null,
+      };
+    }
+  }
+
+  throw new ParseError("Invalid tag");
+}
+
+export function parseRawTagBody(body: string | null | any[]): Tag["body"] {
+  if (typeof body === "string") {
+    return body;
+  }
+
+  if (body === null) {
+    return null;
+  }
+
+  if (Array.isArray(body)) {
+    if (Array.isArray(body[0])) {
+      return body.map(parseRawTag);
+    }
+
+    if (typeof body[0] === "number") {
+      return [parseRawTag(body)];
+    }
+  }
+
+  throw new ParseError("Invalid tag body");
+}
+
+export function parse(root_data?: Uint8Array): Root {
+  let root = root_data ? decode(root_data) : [];
+
+  if (!Array.isArray(root)) {
+    throw new ParseError("Daletl root must be array");
+  }
+
+  return root.map(parseRawTag);
+}
diff --git a/libs/typescript/src/daletl/types.ts b/libs/typescript/src/daletl/types.ts
new file mode 100644
index 0000000..001f0de
--- /dev/null
+++ b/libs/typescript/src/daletl/types.ts
@@ -0,0 +1,14 @@
+export interface Tag {
+  id: number;
+  body: string | null | Tag[];
+  argument: number | string | null;
+}
+
+export type Root = Tag[];
+
+export class ParseError extends Error {
+  constructor(message: string = "Parse error") {
+    super(message);
+    this.name = "ParseError";
+  }
+}
diff --git a/libs/typescript/src/lib.ts b/libs/typescript/src/lib.ts
new file mode 100644
index 0000000..fc6d03a
--- /dev/null
+++ b/libs/typescript/src/lib.ts
@@ -0,0 +1,2 @@
+export { parse } from "./daletl/main";
+export * as converters from "./converters/main";
diff --git a/libs/typescript/tsconfig.json b/libs/typescript/tsconfig.json
new file mode 100644
index 0000000..59c6c79
--- /dev/null
+++ b/libs/typescript/tsconfig.json
@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es2019",
+    "declaration": true,
+    "outDir": "./dist"
+  },
+  "include": ["src/**/*"]
+}