Current File : //proc/self/root/usr/lib/node_modules/pm2/node_modules/@opencensus/core/build/src/metrics/utils.js
"use strict";
/**
* Copyright 2018, OpenCensus Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
const COMMA_SEPARATOR = ',';
const UNSET_LABEL_VALUE = {
value: null
};
/**
* Returns a string(comma separated) from the list of label values.
*
* @param {LabelValue[]} labelValues The list of the label values.
* @returns {string} The hashed label values string.
*/
function hashLabelValues(labelValues) {
return labelValues.map(lv => lv.value).sort().join(COMMA_SEPARATOR);
}
exports.hashLabelValues = hashLabelValues;
/**
* Returns default label values.
*
* @param {number} count The number of label values.
* @returns {LabelValue[]} The list of the label values.
*/
function initializeDefaultLabels(count) {
return new Array(count).fill(UNSET_LABEL_VALUE);
}
exports.initializeDefaultLabels = initializeDefaultLabels;
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