Function prependDatedEntry

src/graphql/scripts/build-changelog.js:14–26

(changelogEntry, targetPath)

 * @return {void}
 */
export function prependDatedEntry(changelogEntry, targetPath) {
  // Build a `yyyy-mm-dd`-formatted date string
  // and tag the changelog entry with it
  const todayString = new Date().toISOString().slice(0, 10)
  changelogEntry.date = todayString

  const previousChangelogString = fs.readFileSync(targetPath)
  const previousChangelog = JSON.parse(previousChangelogString)
  // add a new entry to the changelog data
  previousChangelog.unshift(changelogEntry)
  // rewrite the updated changelog
  fs.writeFileSync(targetPath, JSON.stringify(previousChangelog, null, 2))
}

/**
 * Compare `oldSchemaString` to `newSchemaString`, and if there are any