Icard/angular-clarity-master(work.../node_modules/log4js/lib/appenders/adapters.js

47 lines
1.2 KiB
JavaScript

function maxFileSizeUnitTransform(maxLogSize) {
if (typeof maxLogSize === 'number' && Number.isInteger(maxLogSize)) {
return maxLogSize;
}
const units = {
K: 1024,
M: 1024 * 1024,
G: 1024 * 1024 * 1024,
};
const validUnit = Object.keys(units);
const unit = maxLogSize.slice(-1).toLocaleUpperCase();
const value = maxLogSize.slice(0, -1).trim();
if (validUnit.indexOf(unit) < 0 || !Number.isInteger(Number(value))) {
throw Error(`maxLogSize: "${maxLogSize}" is invalid`);
} else {
return value * units[unit];
}
}
function adapter(configAdapter, config) {
const newConfig = Object.assign({}, config); // eslint-disable-line prefer-object-spread
Object.keys(configAdapter).forEach((key) => {
if (newConfig[key]) {
newConfig[key] = configAdapter[key](config[key]);
}
});
return newConfig;
}
function fileAppenderAdapter(config) {
const configAdapter = {
maxLogSize: maxFileSizeUnitTransform,
};
return adapter(configAdapter, config);
}
const adapters = {
dateFile: fileAppenderAdapter,
file: fileAppenderAdapter,
fileSync: fileAppenderAdapter,
};
module.exports.modifyConfig = (config) =>
adapters[config.type] ? adapters[config.type](config) : config;