liquid-funding-subgraph/subgraph/templatify.js

38 lines
1.2 KiB
JavaScript

const Handlebars = require("handlebars");
const fs = require("fs-extra");
const path = require("path");
const yaml = require("js-yaml");
const { t } = require("typy");
function getNetworkNameForSubgraph() {
switch (process.env.SUBGRAPH) {
case undefined:
case "bgits/assemble":
return "mainnet";
case "bgits/liquid-funding-rinkeby":
return "ropsten";
default:
return null;
}
}
(async () => {
const networksFilePath = path.join(__dirname, "networks.yaml");
const networks = yaml.load(await fs.readFile(networksFilePath, { encoding: "utf-8" }));
const networkName = process.env.NETWORK_NAME || getNetworkNameForSubgraph();
const network = t(networks, networkName).safeObject;
if (t(network).isFalsy) {
throw new Error('Please set either a "NETWORK_NAME" or a "SUBGRAPH" environment variable');
}
const subgraphTemplateFilePath = path.join(__dirname, "subgraph.template.yaml");
const source = await fs.readFile(subgraphTemplateFilePath, "utf-8");
const template = Handlebars.compile(source);
const result = template(network);
await fs.writeFile(path.join(__dirname, "subgraph.yaml"), result);
console.log("🎉 subgraph.yaml successfully generated");
})();