Interim commit

web/packages/common/scripts/eslint.mjs

@@ -0,0 +1,56 @@
+import { execFileSync } from "child_process";
+import { ESLint } from "eslint";
+import fs from "fs";
+import path from "path";
+import process from "process";
+import { fileURLToPath } from "url";
+
+const __dirname = fileURLToPath(new URL(".", import.meta.url));
+const projectRoot = path.join(__dirname, "..");
+process.chdir(projectRoot);
+
+function changedFiles() {
+    const gitStatus = execFileSync("git", ["diff", "--name-only", "HEAD"], { encoding: "utf8" });
+    const gitUntracked = execFileSync("git", ["ls-files", "--others", "--exclude-standard"], {
+        encoding: "utf8",
+    });
+
+    const changed = gitStatus
+        .split("\n")
+        .filter((line) => line.trim().substring(0, 4) === "web/")
+        .filter((line) => /\.(m|c)?(t|j)s$/.test(line))
+        .map((line) => line.substring(4))
+        .filter((line) => fs.existsSync(line));
+
+    const untracked = gitUntracked
+        .split("\n")
+        .filter((line) => /\.(m|c)?(t|j)s$/.test(line))
+        .filter((line) => fs.existsSync(line));
+
+    const sourceFiles = [...changed, ...untracked].filter((line) => /^src\//.test(line));
+    const scriptFiles = [...changed, ...untracked].filter(
+        (line) => /^scripts\//.test(line) || !/^src\//.test(line),
+    );
+
+    return [...sourceFiles, ...scriptFiles];
+}
+
+const hasFlag = (flags) => process.argv.length > 1 && flags.includes(process.argv[2]);
+
+const [configFile, files] = hasFlag(["-n", "--nightmare"])
+    ? [path.join(__dirname, "eslint.nightmare.mjs"), changedFiles()]
+    : hasFlag(["-p", "--precommit"])
+      ? [path.join(__dirname, "eslint.precommit.mjs"), changedFiles()]
+      : [path.join(projectRoot, "eslint.config.mjs"), ["."]];
+
+const eslint = new ESLint({
+    overrideConfigFile: configFile,
+    warnIgnored: false,
+});
+
+const results = await eslint.lintFiles(files);
+const formatter = await eslint.loadFormatter("stylish");
+const resultText = formatter.format(results);
+const errors = results.reduce((acc, result) => acc + result.errorCount, 0);
+console.log(resultText);
+process.exit(errors > 1 ? 1 : 0);