Function replaceTweakSchema

packages/shared/src/editmode.ts:334–349

(source: string, schema: TweakSchema)

 *     artifact has a TWEAK_DEFAULTS block first.
 */
export function replaceTweakSchema(source: string, schema: TweakSchema): string {
  const json = JSON.stringify(schema, null, 2);
  if (findMarkerBlock(source, 'TWEAK-SCHEMA')) {
    return replaceMarkerBlock(source, 'TWEAK-SCHEMA', json);
  }
  const marked = findMarkerBlock(source, 'EDITMODE');
  if (marked) {
    // Find the end of the statement containing the EDITMODE block (next ';').
    const editEnd = marked.end;
    const semi = source.indexOf(';', editEnd);
    const insertAt = semi >= 0 ? semi + 1 : editEnd;
    const block = `\nconst TWEAK_SCHEMA = /*TWEAK-SCHEMA-BEGIN*/${json}/*TWEAK-SCHEMA-END*/;`;
    return `${source.slice(0, insertAt)}${block}${source.slice(insertAt)}`;
  }
  return source;
}