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silverbullet/plugs/query/template.ts

96 lines
3.3 KiB
TypeScript

import { markdown, space, YAML } from "$sb/syscalls.ts";
import { loadPageObject, replaceTemplateVars } from "../template/template.ts";
import { CodeWidgetContent, PageMeta } from "$sb/types.ts";
import { renderTemplate } from "../template/plug_api.ts";
import { renderToText } from "$sb/lib/tree.ts";
import { rewritePageRefs, rewritePageRefsInString } from "$sb/lib/resolve.ts";
import { performQuery } from "./query.ts";
import { parseQuery } from "$sb/lib/parse-query.ts";
type TemplateConfig = {
// Pull the template from a page
page?: string;
// Or use a string directly
template?: string;
// To feed data into the template you can either use a concrete value
value?: any;
// Or a query
query?: string;
// If true, don't render the template, just use it as-is
raw?: boolean;
};
export async function widget(
bodyText: string,
pageName: string,
): Promise<CodeWidgetContent> {
const pageMeta: PageMeta = await loadPageObject(pageName);
try {
const config: TemplateConfig = await YAML.parse(bodyText);
let templateText = config.template || "";
let templatePage = config.page;
if (templatePage) {
// Rewrite federation page references
templatePage = rewritePageRefsInString(templatePage, pageName);
if (templatePage.startsWith("[[")) {
templatePage = templatePage.slice(2, -2);
}
if (!templatePage) {
throw new Error("No template page specified");
}
templateText = await space.readPage(templatePage);
}
let value: any;
if (config.value) {
value = JSON.parse(
await replaceTemplateVars(JSON.stringify(config.value), pageMeta),
);
}
if (config.query) {
const parsedQuery = await parseQuery(
await replaceTemplateVars(config.query, pageMeta),
);
value = await performQuery(parsedQuery, pageMeta);
}
let { text: rendered } = config.raw
? { text: templateText }
: await renderTemplate(
templateText,
pageMeta,
value,
);
if (templatePage) {
const parsedMarkdown = await markdown.parseMarkdown(rendered);
rewritePageRefs(parsedMarkdown, templatePage);
rendered = renderToText(parsedMarkdown);
}
return {
markdown: rendered,
buttons: [{
description: "Edit",
svg:
`<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"></path><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"></path></svg>`,
invokeFunction: "query.editButton",
}, {
description: "Reload",
svg:
`<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-refresh-cw"><polyline points="23 4 23 10 17 10"></polyline><polyline points="1 20 1 14 7 14"></polyline><path d="M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15"></path></svg>`,
invokeFunction: "query.refreshAllWidgets",
}],
};
} catch (e: any) {
return {
markdown: `**Error:** ${e.message}`,
};
}
}