Function rewriteSpecifiers

packages/core/scripts/rewrite-esm-extensions.ts:45–59

(filePath: string, source: string)

}

function rewriteSpecifiers(filePath: string, source: string): string {
  const patterns = [
    /(from\s+["'])(\.\.?\/[^"']+)(["'])/g,
    /(import\s+["'])(\.\.?\/[^"']+)(["'])/g,
    /(import\(\s*["'])(\.\.?\/[^"']+)(["']\s*\))/g,
  ];

  return patterns.reduce(
    (nextSource, pattern) =>
      nextSource.replace(pattern, (_match, prefix: string, specifier: string, suffix: string) => {
        return `${prefix}${resolveRuntimeSpecifier(filePath, specifier)}${suffix}`;
      }),
    source,
  );
}

let changed = 0;
for (const filePath of listJavaScriptFiles(distDir)) {