94 lines
2.1 KiB
TypeScript
94 lines
2.1 KiB
TypeScript
import { createWasmWrapper } from '@nodarium/utils';
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import fs from 'fs/promises';
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import path from 'path';
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export async function getWasm(id: `${string}/${string}/${string}`) {
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const filePath = path.resolve(`./static/nodes/${id}`);
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try {
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await fs.access(filePath);
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} catch (e) {
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return null;
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}
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const file = await fs.readFile(filePath);
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return new Uint8Array(file);
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}
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export async function getNodeWasm(id: `${string}/${string}/${string}`) {
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const wasmBytes = await getWasm(id);
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if (!wasmBytes) return null;
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const wrapper = createWasmWrapper(
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wasmBytes.buffer,
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new WebAssembly.Memory({ initial: 1024, maximum: 8192 })
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);
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return wrapper;
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}
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export async function getNode(id: `${string}/${string}/${string}`) {
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const wrapper = await getNodeWasm(id);
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const definition = wrapper?.get_definition?.();
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if (!definition) return null;
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return definition;
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}
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export async function getCollectionNodes(userId: `${string}/${string}`) {
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const nodes = await fs.readdir(path.resolve(`./static/nodes/${userId}`));
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return nodes
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.filter((n) => n !== 'pkg' && n !== '.template')
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.map((n) => {
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return {
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id: `${userId}/${n}`
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};
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});
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}
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export async function getCollection(userId: `${string}/${string}`) {
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const nodes = await getCollectionNodes(userId);
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return {
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id: userId,
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nodes
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};
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}
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export async function getUserCollections(userId: string) {
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const collections = await fs.readdir(path.resolve(`./static/nodes/${userId}`));
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return Promise.all(
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collections.map(async (n) => {
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const nodes = await getCollectionNodes(`${userId}/${n}`);
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return {
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id: `${userId}/${n}`,
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nodes
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};
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})
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);
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}
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export async function getUser(userId: string) {
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const collections = await getUserCollections(userId);
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return {
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id: userId,
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collections
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};
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}
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export async function getUsers() {
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const nodes = await fs.readdir(path.resolve('./static/nodes'));
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const users = await Promise.all(
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nodes.map(async (n) => {
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const collections = await getUserCollections(n);
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return {
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id: n,
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collections
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};
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})
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);
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return users;
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}
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