added templaters

src/service/template/index.ts

@@ -0,0 +1,39 @@
+import extract from "remark-extract-frontmatter";
+import frontmatter from "remark-frontmatter";
+import compiler from "remark-stringify";
+import parser from "remark-parse";
+import unified, { Processor } from "unified";
+import { parse } from "yaml";
+import toVFile from "to-vfile";
+import path from "path";
+
+export class Template<T extends Record<string, any>> {
+  private processor: Processor;
+  public fields: T = {} as T;
+  public template: string = "";
+
+  constructor(filename: string) {
+    try {
+      if (!filename) {
+        return;
+      }
+
+      this.processor = unified()
+        .use(parser)
+        .use(compiler)
+        .use(frontmatter)
+        .use(extract, { yaml: parse });
+
+      const file = toVFile.readSync(path.join(__dirname, "../../", filename));
+      const result = this.processor.processSync(file);
+
+      this.fields = result.data as T;
+      this.template = result
+        .toString()
+        .replace(/^---\n(.*)---\n?$/gms, "")
+        .trim();
+    } catch (e) {
+      throw new Error(`Template: ${e.toString()}`);
+    }
+  }
+}