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silverbullet/packages/plugs/plugger/plugger.ts
2022-04-25 19:46:08 +02:00

86 lines
2.4 KiB
TypeScript

import type { Manifest } from "@silverbulletmd/common/manifest";
import {
addParentPointers,
collectNodesOfType,
findNodeOfType,
} from "@silverbulletmd/common/tree";
import {
getCurrentPage,
getText,
} from "@silverbulletmd/plugos-silverbullet-syscall/editor";
import { parseMarkdown } from "@silverbulletmd/plugos-silverbullet-syscall/markdown";
import { writePage } from "@silverbulletmd/plugos-silverbullet-syscall/space";
import { invokeFunction } from "@silverbulletmd/plugos-silverbullet-syscall/system";
import YAML from "yaml";
import { extractMeta } from "../query/data";
export async function compileCommand() {
let text = await getText();
let tree = await parseMarkdown(text);
addParentPointers(tree);
let allHeaders = collectNodesOfType(tree, "ATXHeading2");
let manifest: Manifest = {
functions: {},
};
for (let t of allHeaders) {
let parent = t.parent!;
let headerIdx = parent.children!.indexOf(t);
let headerTitle = t.children![1].text!.trim();
if (!headerTitle.startsWith("function ")) {
continue;
}
let functionName = headerTitle
.substring("function ".length)
.replace(/[^\w]/g, "_");
let meta: any;
let code: string | undefined;
let language = "js";
for (let i = headerIdx + 1; i < parent.children!.length; i++) {
let child = parent.children![i];
if (child.type === "FencedCode") {
let codeInfo = findNodeOfType(child, "CodeInfo")!.children![0].text!;
let codeText = findNodeOfType(child, "CodeText")!.children![0].text!;
if (codeInfo === "yaml") {
meta = YAML.parse(codeText);
continue;
}
if (codeInfo === "typescript" || codeInfo === "ts") {
language = "ts";
}
code = codeText;
}
if (child.type?.startsWith("ATXHeading")) {
break;
}
}
if (code) {
let compiled = await invokeFunction(
"server",
"compileJS",
`file.${language}`,
code
);
manifest.functions[functionName] = meta;
manifest.functions[functionName].code = compiled;
}
}
let pageMeta = extractMeta(tree);
if (pageMeta.name) {
await writePage(
`_plug/${pageMeta.name}`,
JSON.stringify(manifest, null, 2)
);
console.log("Wrote this plug", manifest);
}
}
export async function compileJS(
filename: string,
code: string
): Promise<string> {
return self.syscall("esbuild.compile", filename, code);
}