Initial Commit

packages/discord/src/jsd/parser.ts

@@ -0,0 +1,97 @@
+import fs from 'node:fs/promises';
+import parse, { type DOMNode } from 'html-dom-parser';
+import type { ChildNode } from 'domhandler';
+
+const JSD_STRING = /\(\s*(<.*)>\s*\)/gs;
+
+export async function parseJSDFile(filename: string) {
+  const content = (await fs.readFile(filename)).toString();
+
+  const matches = JSD_STRING.exec(content);
+  if (matches) {
+    let html = matches[1] + '>';
+    const root = parse(html);
+    const translated = translate(root[0]);
+    const str = content.replace(matches[1] + '>', translated);
+    await fs.writeFile(filename.replace('.tsd', '.ts'), str);
+  }
+  return true;
+}
+
+interface state {
+  inInterpolation?: boolean;
+  children?: string[][];
+  parent?: Text[];
+}
+
+function translate(root: DOMNode | ChildNode | null, state: state = {}): string | null {
+  if (!root || typeof root !== 'object') return null;
+
+  let children = [];
+  if ('children' in root && Array.isArray(root.children) && root.children.length > 0) {
+    for (const child of root.children) {
+      const translated = translate(child, state);
+      if (translated) {
+        if (state.inInterpolation && state.parent[state.children.length - 1] === child) {
+          state.children[state.children.length - 1].push(translated);
+        } else {
+          children.push(translated);
+        }
+      }
+    }
+  }
+
+  if ('nodeType' in root && root.nodeType === 3) {
+    if (root.data.trim() === '') return null;
+    return parseText(root.data.trim(), state, root);
+  }
+
+  if ('name' in root && root.name) {
+    let tagName = root.name || 'unknown';
+    let attrs = 'attribs' in root ? root.attribs : {};
+    return `StarKitten.createElement("${tagName}", ${JSON.stringify(attrs)}${children.length > 0 ? ', ' + children.join(', ') : ''})`;
+  }
+}
+
+const JSD_INTERPOLATION = /\{(.+)\}/gs;
+const JSD_START_EXP_INTERPOLATION = /\{(.+)\(/gs;
+const JSD_END_EXP_INTERPOLATION = /\)(.+)\}/gs;
+
+function parseText(text: string, state: state = {}, parent: Text = {}): string {
+  let interpolations = text.match(JSD_INTERPOLATION);
+  if (!interpolations) {
+    if (text.match(JSD_START_EXP_INTERPOLATION)) {
+      state.inInterpolation = true;
+      state.children = state.children || [[]];
+      state.parent = state.parent || [];
+      state.parent.push(parent);
+      return text.substring(1, text.length - 1);
+    } else if (text.match(JSD_END_EXP_INTERPOLATION)) {
+      const combined = state.children?.[state.children.length - 1].join(' ');
+      state.children?.[state.children.length - 1].splice(0);
+      state.children?.pop();
+      state.parent?.pop();
+      if (state.children.length === 0) {
+        state.inInterpolation = false;
+        return combined + ' ' + text.substring(1, text.length - 1);
+      }
+    }
+    return `"${text}"`;
+  } else {
+    text = replaceInterpolations(text);
+    return `"${text}"`;
+  }
+}
+
+function replaceInterpolations(text: string, isOnJSON: boolean = false) {
+  let interpolations = null;
+
+  while ((interpolations = JSD_INTERPOLATION.exec(text))) {
+    if (isOnJSON) {
+      text = text.replace(`"{${interpolations[1]}}"`, interpolations[1]);
+    } else {
+      text = text.replace(`{${interpolations[1]}}`, `"+ ${interpolations[1]} +"`);
+    }
+  }
+  return text;
+}