// Shared argument parsing helpers for repository scripts.

/** Read a finite number from an environment variable, returning null when unset or invalid. */

export function readEnvNumber(name, env = process.env) {

const raw = env[name]?.trim();

if (!raw) {

return null;

}

const parsed = Number.parseFloat(raw);

return Number.isFinite(parsed) ? parsed : null;

}

/** Read a flag value from `--flag value` or `--flag=value` arguments. */

export function readFlagValue(args, name) {

for (let index = 0; index < args.length; index += 1) {

// Shared write/check/report helpers for generated repository files.

import path from "node:path";

import { pathToFileURL } from "node:url";

import { writeTextFileIfChanged } from "../runtime-postbuild-shared.mjs";

import { readIfExists } from "./bundled-plugin-source-utils.mjs";

outputPath,

};

}

/** Report generated-output CLI results when the current module is run directly. */

export function reportGeneratedOutputCli(params) {

if (params.importMetaUrl !== pathToFileURL(process.argv[1] ?? "").href) {

return;

}

const check = process.argv.includes("--check");

const result = params.run({ check });

if (!result.changed) {

return;

}

const relativeOutputPath = path.relative(process.cwd(), result.outputPath);

if (check) {

console.error(`[${params.label}] stale generated output at ${relativeOutputPath}`);

process.exitCode = 1;

return;

}

console.log(`[${params.label}] wrote ${relativeOutputPath}`);

}

return { fileFilters, optionArgs };

};

export const countExplicitEntryFilters = (entryArgs) => {

const { fileFilters } = parsePassthroughArgs(entryArgs.slice(2));

return fileFilters.length > 0 ? fileFilters.length : null;

};

export const getExplicitEntryFilters = (entryArgs) =>

parsePassthroughArgs(entryArgs.slice(2)).fileFilters;