chore: remove changelog add helper script

scripts/changelog-add.ts

@@ -1,123 +0,0 @@
-import { readFileSync, writeFileSync } from "node:fs";
-import { resolve } from "node:path";
-
-export type UnreleasedSection = "changes" | "fixes";
-
-function normalizeEntry(entry: string): string {
-  const trimmed = entry.trim();
-  if (!trimmed) {
-    throw new Error("entry must not be empty");
-  }
-  return trimmed.startsWith("- ") ? trimmed : `- ${trimmed}`;
-}
-
-function sectionHeading(section: UnreleasedSection): string {
-  return section === "changes" ? "### Changes" : "### Fixes";
-}
-
-export function insertUnreleasedChangelogEntry(
-  changelogContent: string,
-  section: UnreleasedSection,
-  entry: string,
-): string {
-  const normalizedEntry = normalizeEntry(entry);
-  const lines = changelogContent.split(/\r?\n/);
-  const unreleasedHeaderIndex = lines.findIndex((line) =>
-    /^##\s+.+\s+\(Unreleased\)\s*$/.test(line.trim()),
-  );
-  if (unreleasedHeaderIndex < 0) {
-    throw new Error("could not find an '(Unreleased)' changelog section");
-  }
-
-  const unreleasedEndIndex = lines.findIndex(
-    (line, index) => index > unreleasedHeaderIndex && /^##\s+/.test(line.trim()),
-  );
-  const unreleasedLimit = unreleasedEndIndex < 0 ? lines.length : unreleasedEndIndex;
-  const sectionLabel = sectionHeading(section);
-  const sectionStartIndex = lines.findIndex(
-    (line, index) =>
-      index > unreleasedHeaderIndex && index < unreleasedLimit && line.trim() === sectionLabel,
-  );
-  if (sectionStartIndex < 0) {
-    throw new Error(`could not find '${sectionLabel}' under unreleased section`);
-  }
-
-  const sectionEndIndex = lines.findIndex(
-    (line, index) =>
-      index > sectionStartIndex &&
-      index < unreleasedLimit &&
-      (/^###\s+/.test(line.trim()) || /^##\s+/.test(line.trim())),
-  );
-  const targetIndex = sectionEndIndex < 0 ? unreleasedLimit : sectionEndIndex;
-  let insertionIndex = targetIndex;
-  while (insertionIndex > sectionStartIndex + 1 && lines[insertionIndex - 1].trim() === "") {
-    insertionIndex -= 1;
-  }
-
-  if (
-    lines.slice(sectionStartIndex + 1, targetIndex).some((line) => line.trim() === normalizedEntry)
-  ) {
-    return changelogContent;
-  }
-
-  lines.splice(insertionIndex, 0, normalizedEntry);
-  return `${lines.join("\n")}\n`;
-}
-
-type CliArgs = {
-  section: UnreleasedSection;
-  entry: string;
-  file: string;
-};
-
-function parseCliArgs(argv: string[]): CliArgs {
-  let section: UnreleasedSection | null = null;
-  let entry = "";
-  let file = "CHANGELOG.md";
-
-  for (let i = 0; i < argv.length; i += 1) {
-    const arg = argv[i];
-    if (arg === "--section") {
-      const value = argv[i + 1];
-      if (value !== "changes" && value !== "fixes") {
-        throw new Error("--section must be one of: changes, fixes");
-      }
-      section = value;
-      i += 1;
-      continue;
-    }
-    if (arg === "--entry") {
-      entry = argv[i + 1] ?? "";
-      i += 1;
-      continue;
-    }
-    if (arg === "--file") {
-      file = argv[i + 1] ?? file;
-      i += 1;
-      continue;
-    }
-    throw new Error(`unknown argument: ${arg}`);
-  }
-
-  if (!section) {
-    throw new Error("missing --section <changes|fixes>");
-  }
-  if (!entry.trim()) {
-    throw new Error("missing --entry <text>");
-  }
-  return { section, entry, file };
-}
-
-function runCli(): void {
-  const args = parseCliArgs(process.argv.slice(2));
-  const changelogPath = resolve(process.cwd(), args.file);
-  const content = readFileSync(changelogPath, "utf8");
-  const next = insertUnreleasedChangelogEntry(content, args.section, args.entry);
-  if (next !== content) {
-    writeFileSync(changelogPath, next, "utf8");
-  }
-}
-
-if (import.meta.url === `file://${process.argv[1]}`) {
-  runCli();
-}