How to use the metro-core.Logger.log function in metro-core
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facebook / metro / packages / metro-cache / src / Cache.js View on Github 
log_entry_label: name,
}),
);
try {
const valueOrPromise = store.get(key);
if (valueOrPromise && typeof valueOrPromise.then === 'function') {
value = await valueOrPromise;
} else {
value = valueOrPromise;
}
} finally {
Logger.log(Logger.createActionEndEntry(logStart));
Logger.log(
Logger.createEntry({
action_name: 'Cache ' + (value == null ? 'miss' : 'hit'),
log_entry_label: name,
}),
);
if (value != null) {
this._hits.set(key, store);
return value;
}
}
}
return null;
}async get(key: Buffer): Promise {
const stores = this._stores;
const length = stores.length;
for (let i = 0; i < length; i++) {
const store = stores[i];
const name = store.constructor.name + '::' + key.toString('hex');
let value = null;
const logStart = Logger.log(
Logger.createActionStartEntry({
action_name: 'Cache get',
log_entry_label: name,
}),
);
try {
const valueOrPromise = store.get(key);
if (valueOrPromise && typeof valueOrPromise.then === 'function') {
value = await valueOrPromise;
} else {
value = valueOrPromise;
}
} finally {
Logger.log(Logger.createActionEndEntry(logStart));set(key: Buffer, value: T): void {
const stores = this._stores;
const stop = this._hits.get(key);
const length = stores.length;
const promises = [];
for (let i = 0; i < length && stores[i] !== stop; i++) {
const store = stores[i];
const name = store.constructor.name + '::' + key.toString('hex');
Logger.log(
Logger.createEntry({
action_name: 'Cache set',
log_entry_label: name,
}),
);
promises.push(stores[i].set(key, value));
}
Promise.all(promises).catch(err => {
process.nextTick(() => {
throw err;
});
});
}
}async transform(
filename: string,
options: TransformOptions,
): Promise {
try {
const data = await this._worker.transform(
filename,
options,
this._config.projectRoot,
this._transformerConfig,
);
Logger.log(data.transformFileStartLogEntry);
Logger.log(data.transformFileEndLogEntry);
return {
result: data.result,
sha1: data.sha1,
};
} catch (err) {
if (err.loc) {
throw this._formatBabelError(err, filename);
} else {
throw this._formatGenericError(err, filename);
}
}
}async transform(
filename: string,
options: TransformOptions,
): Promise {
try {
const data = await this._worker.transform(
filename,
options,
this._config.projectRoot,
this._transformerConfig,
);
Logger.log(data.transformFileStartLogEntry);
Logger.log(data.transformFileEndLogEntry);
return {
result: data.result,
sha1: data.sha1,
};
} catch (err) {
if (err.loc) {
throw this._formatBabelError(err, filename);
} else {
throw this._formatGenericError(err, filename);
}
}
}
