94 lines
1.8 KiB
JavaScript
94 lines
1.8 KiB
JavaScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {LogLevel} from "./LogFilter.js";
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function noop () {}
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export class NullLogger {
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constructor() {
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this.item = new NullLogItem();
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}
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log() {}
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run(_, callback) {
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return callback(this.item);
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}
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wrapOrRun(item, _, callback) {
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if (item) {
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item.wrap(null, callback);
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} else {
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this.run(null, callback);
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}
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}
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runDetached(_, callback) {
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new Promise(r => r(callback(this.item))).then(noop, noop);
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}
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async export() {
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return null;
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}
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get level() {
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return LogLevel;
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}
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}
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export class NullLogItem {
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wrap(_, callback) {
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return callback(this);
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}
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log() {}
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set() {}
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runDetached(_, callback) {
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new Promise(r => r(callback(this))).then(noop, noop);
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}
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wrapDetached(_, callback) {
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return this.refDetached(null, callback);
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}
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run(callback) {
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return callback(this);
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}
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refDetached() {}
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get level() {
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return LogLevel;
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}
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get duration() {
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return 0;
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}
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catch(err) {
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return err;
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}
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child() {
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return this;
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}
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finish() {}
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}
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export const Instance = new NullLogger();
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