in functions/src/util.ts [124:140]
export function loadFirebaseConfig(params?: string | object) {
let config;
if(!params) {
return;
} else if(typeof params === 'string') {
config = require(params);
} else {
config = params;
}
copyAttr(config, config, 'projectId', 'project_id');
copyAttr(config, config, 'privateKey', 'private_key');
copyAttr(config, config, 'clientId', 'client_id');
copyAttr(config, config, 'clientSecret', 'client_secret');
copyAttr(config, config, 'clientEmail', 'client_email');
copyAttr(config, config, 'refreshToken', 'refresh_token');
return config;
}