code: async function writeCustomPropertiesToMjsFile(to, customProperties) {
  	const mjsContents = Object.keys(customProperties).reduce((mjsLines, name) => {
  		mjsLines.push(`\t'${escapeForJS(name)}': '${escapeForJS(customProperties[name])}'`);
  
  		return mjsLines;
  	}, []).join(',\n');
  	const mjs = `export const customProperties = {\n${mjsContents}\n};\n`;
  
  	await writeFile(to, mjs);
  }
docs: /* Write Custom Properties to Module JS file
  /* ==========================================================================