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