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Esbuild plugin for compiling relay queries
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import { promises } from "fs"; | |
import crypto from "crypto"; | |
import path from "path"; | |
import { print, parse } from "graphql"; | |
const plugin = { | |
name: "relay", | |
setup: build => { | |
build.onLoad({ filter: /\.tsx$/, namespace: "" }, async args => { | |
let contents = await promises.readFile(args.path, "utf8"); | |
if (contents.includes("graphql`")) { | |
let imports = []; | |
contents = contents.replaceAll(/graphql`([\s\S]*?)`/gm, (match, query) => { | |
const formatted = print(parse(query)); | |
const name = /(fragment|mutation|query) (\w+)/.exec(formatted)[2]; | |
// const hash = crypto.createHash("md5").update(formatted, "utf8").digest("hex"); | |
let id = `graphql__${crypto.randomBytes(10).toString("hex")}`; | |
imports.push(`import ${id} from "./__generated__/${name}.graphql.ts";`); | |
return id; | |
}); | |
contents = imports.join("\n") + contents; | |
} | |
return { | |
contents: contents, | |
loader: "tsx", | |
}; | |
}); | |
}, | |
}; |
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