Fixes #529 by removing directives (#613)

* Fixes #529 by removing directives
* Load builtin tags on space reindex

plugs/template/complete.ts

@@ -1,7 +1,6 @@
 import { CompleteEvent, SlashCompletion } from "$sb/app_event.ts";
 import { PageMeta } from "$sb/types.ts";
 import { editor, events, markdown, space } from "$sb/syscalls.ts";
-import { buildHandebarOptions } from "../directive/util.ts";
 import type {
   AttributeCompleteEvent,
   AttributeCompletion,
@@ -11,6 +10,7 @@ import { TemplateObject } from "./types.ts";
 import { loadPageObject } from "./template.ts";
 import { renderTemplate } from "./api.ts";
 import { prepareFrontmatterDispatch } from "$sb/lib/frontmatter.ts";
+import { buildHandebarOptions } from "./util.ts";
 
 export async function templateVariableComplete(completeEvent: CompleteEvent) {
   const match = /\{\{([\w@]*)$/.exec(completeEvent.linePrefix);

plugs/template/util.ts

@@ -1,4 +1,8 @@
 import { determineTags } from "$sb/lib/cheap_yaml.ts";
+import { handlebarHelpers } from "../../common/syscalls/handlebar_helpers.ts";
+import { PageMeta } from "$sb/types.ts";
+import { handlebars, space } from "$sb/syscalls.ts";
+import { cleanTemplate } from "./plug_api.ts";
 
 const frontMatterRegex = /^---\n(([^\n]|\n)*?)---\n/;
 
@@ -24,3 +28,76 @@ export function isTemplate(pageText: string): boolean {
   }
   return false;
 }
+
+export function buildHandebarOptions(pageMeta: PageMeta) {
+  return {
+    helpers: handlebarHelpers(),
+    data: { page: pageMeta },
+  };
+}
+
+export function defaultJsonTransformer(_k: string, v: any) {
+  if (v === undefined) {
+    return "";
+  }
+  if (typeof v === "string") {
+    return v.replaceAll("\n", " ").replaceAll("|", "\\|");
+  }
+  return "" + v;
+}
+
+// Nicely format an array of JSON objects as a Markdown table
+export function jsonToMDTable(
+  jsonArray: any[],
+  valueTransformer: (k: string, v: any) => string = defaultJsonTransformer,
+): string {
+  const headers = new Set<string>();
+  for (const entry of jsonArray) {
+    for (const k of Object.keys(entry)) {
+      headers.add(k);
+    }
+  }
+
+  const headerList = [...headers];
+  const lines = [];
+  lines.push(
+    "|" +
+      headerList
+        .map(
+          (headerName) => headerName,
+        )
+        .join("|") +
+      "|",
+  );
+  lines.push(
+    "|" +
+      headerList
+        .map(() => "--")
+        .join("|") +
+      "|",
+  );
+  for (const val of jsonArray) {
+    const el = [];
+    for (const prop of headerList) {
+      const s = valueTransformer(prop, val[prop]);
+      el.push(s);
+    }
+    lines.push("|" + el.join("|") + "|");
+  }
+  return lines.join("\n");
+}
+
+export async function renderQueryTemplate(
+  pageMeta: PageMeta,
+  templatePage: string,
+  data: any[],
+  renderAll: boolean,
+): Promise<string> {
+  let templateText = await space.readPage(templatePage);
+  templateText = await cleanTemplate(templateText);
+
+  if (!renderAll) {
+    templateText = `{{#each .}}\n${templateText}\n{{/each}}`;
+  }
+  return handlebars.renderTemplate(templateText, data, { page: pageMeta });
+}