92 lines
3.3 KiB
TypeScript
92 lines
3.3 KiB
TypeScript
import {
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codeWidget,
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editor,
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language,
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markdown,
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space,
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} from "$sb/silverbullet-syscall/mod.ts";
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import { parseTreeToAST, renderToText } from "$sb/lib/tree.ts";
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import { CodeWidgetContent } from "$sb/types.ts";
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import { loadPageObject } from "../template/page.ts";
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import { queryObjects } from "./api.ts";
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import { TemplateObject, WidgetConfig } from "../template/types.ts";
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import { expressionToKvQueryExpression } from "$sb/lib/parse-query.ts";
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import { evalQueryExpression } from "$sb/lib/query.ts";
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import { renderTemplate } from "../template/plug_api.ts";
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import { extractFrontmatter } from "$sb/lib/frontmatter.ts";
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import { rewritePageRefs } from "$sb/lib/resolve.ts";
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export async function refreshWidgets() {
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await codeWidget.refreshAll();
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}
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export async function renderTemplateWidgets(side: "top" | "bottom"): Promise<
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CodeWidgetContent | null
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> {
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const text = await editor.getText();
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let pageMeta = await loadPageObject(await editor.getCurrentPage());
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const parsedMd = await markdown.parseMarkdown(text);
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const frontmatter = await extractFrontmatter(parsedMd);
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pageMeta = { ...pageMeta, ...frontmatter };
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const blockTemplates = await queryObjects<TemplateObject>(
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"template",
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{
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// where hooks.top/bottom exists
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filter: ["attr", ["attr", "hooks"], side],
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orderBy: [{
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// order by hooks.top/bottom.order asc
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expr: ["attr", ["attr", ["attr", "hooks"], side], "order"],
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desc: false,
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}],
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},
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);
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// console.log(`Found the following ${side} templates`, blockTemplates);
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const templateBits: string[] = [];
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// Strategy: walk through all matching templates, evaluate the 'where' expression, and pick the first one that matches
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for (const template of blockTemplates) {
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if (!template.hooks) {
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console.warn(
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"No hooks specified for template",
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template.ref,
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"this should never happen",
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);
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continue;
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}
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const blockDef = WidgetConfig.parse(template.hooks[side]!);
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const exprAST = parseTreeToAST(
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await language.parseLanguage("expression", blockDef.where!),
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);
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const parsedExpression = expressionToKvQueryExpression(exprAST[1]);
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if (evalQueryExpression(parsedExpression, pageMeta)) {
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// Match! We're happy
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const templateText = await space.readPage(template.ref);
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let renderedTemplate = (await renderTemplate(
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templateText,
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pageMeta,
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frontmatter,
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)).text;
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const parsedMarkdown = await markdown.parseMarkdown(renderedTemplate);
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rewritePageRefs(parsedMarkdown, template.ref);
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renderedTemplate = renderToText(parsedMarkdown);
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// console.log("Rendering template", template.ref, renderedTemplate);
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templateBits.push(renderedTemplate.trim());
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}
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}
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const summaryText = templateBits.join("\n");
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return {
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markdown: summaryText,
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buttons: [
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{
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description: "Reload",
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svg:
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`<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>`,
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invokeFunction: "index.refreshWidgets",
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},
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],
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};
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}
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