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// Updates the Binaryen constants in src/module.ts

import fs from "fs";

import path from "path";

import { fileURLToPath } from "url";

import binaryen from "../lib/binaryen.js";

const __dirname = path.dirname(fileURLToPath(import.meta.url));

const srcfile = path.join(__dirname, "..", "src", "module.ts");

var src = fs.readFileSync(srcfile, "utf8")

.replace(/(?:enum|namespace) (\w+) \{([^}]*)\}/g, function($0) {

return $0.replace(/(\w+)[ ]+=[ ]+([^,;\n]+)/g, function($0, key, val) {

var match = val.match(/\b(_(?:Binaryen|Relooper|ExpressionRunner)\w+)\b/);

if (match) {

let fn = match[1];

if (typeof binaryen[fn] !== "function") throw Error("API mismatch on '" + fn + "': Is Binaryen up to date?");

let id = binaryen[fn]();

console.log(fn + " = " + id);

return key + " = " + id + " /* " + fn + " */";

}

return $0;

});

fs.writeFileSync(srcfile, src, "utf8");