69 lines
1.8 KiB
TypeScript
69 lines
1.8 KiB
TypeScript
import { WidgetContent } from "$sb/app_event.ts";
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import { handlebars, markdown, space, system, YAML } from "$sb/syscalls.ts";
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import { rewritePageRefs } from "$sb/lib/resolve.ts";
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import { loadPageObject, replaceTemplateVars } from "../template/template.ts";
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import { renderToText } from "$sb/lib/tree.ts";
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import { PageMeta } from "$sb/types.ts";
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type TemplateConfig = {
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// Pull the template from a page
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page?: string;
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// Or use a string directly
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template?: string;
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// Optional argument to pass
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value?: any;
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// If true, don't render the template, just use it as-is
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raw?: boolean;
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};
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export async function widget(
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bodyText: string,
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pageName: string,
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): Promise<WidgetContent> {
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const pageMeta: PageMeta = await loadPageObject(pageName);
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try {
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const config: TemplateConfig = await YAML.parse(bodyText);
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let templateText = config.template || "";
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let templatePage = config.page;
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if (templatePage) {
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if (templatePage.startsWith("[[")) {
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templatePage = templatePage.slice(2, -2);
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}
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templateText = await space.readPage(templatePage);
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}
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const value = config.value
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? JSON.parse(
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await replaceTemplateVars(JSON.stringify(config.value), pageMeta),
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)
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: undefined;
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let rendered = config.raw ? templateText : await handlebars.renderTemplate(
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templateText,
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value,
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{
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page: pageMeta,
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},
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);
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if (templatePage) {
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const parsedMarkdown = await markdown.parseMarkdown(rendered);
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rewritePageRefs(parsedMarkdown, templatePage);
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rendered = renderToText(parsedMarkdown);
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}
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return system.invokeFunction(
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"markdown.markdownContentWidget",
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rendered,
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pageName,
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);
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} catch (e: any) {
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return system.invokeFunction(
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"markdown.markdownContentWidget",
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`**Error:** ${e.message}`,
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pageName,
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);
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}
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}
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