Marc Mintel
5397309103
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87 lines
2.5 KiB
Plaintext
87 lines
2.5 KiB
Plaintext
/*
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* Copyright The OpenTelemetry Authors
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*
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 { diag } from '@opentelemetry/api';
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export function sanitizeAttributes(attributes) {
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const out = {};
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if (typeof attributes !== 'object' || attributes == null) {
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return out;
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}
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for (const key in attributes) {
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if (!Object.prototype.hasOwnProperty.call(attributes, key)) {
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continue;
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}
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if (!isAttributeKey(key)) {
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diag.warn(`Invalid attribute key: ${key}`);
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continue;
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}
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const val = attributes[key];
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if (!isAttributeValue(val)) {
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diag.warn(`Invalid attribute value set for key: ${key}`);
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continue;
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}
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if (Array.isArray(val)) {
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out[key] = val.slice();
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}
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else {
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out[key] = val;
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}
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}
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return out;
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}
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export function isAttributeKey(key) {
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return typeof key === 'string' && key !== '';
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}
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export function isAttributeValue(val) {
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if (val == null) {
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return true;
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}
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if (Array.isArray(val)) {
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return isHomogeneousAttributeValueArray(val);
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}
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return isValidPrimitiveAttributeValueType(typeof val);
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}
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function isHomogeneousAttributeValueArray(arr) {
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let type;
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for (const element of arr) {
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// null/undefined elements are allowed
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if (element == null)
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continue;
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const elementType = typeof element;
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if (elementType === type) {
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continue;
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}
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if (!type) {
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if (isValidPrimitiveAttributeValueType(elementType)) {
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type = elementType;
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continue;
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}
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// encountered an invalid primitive
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return false;
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}
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return false;
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}
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return true;
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}
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function isValidPrimitiveAttributeValueType(valType) {
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switch (valType) {
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case 'number':
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case 'boolean':
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case 'string':
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return true;
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}
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return false;
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}
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//# sourceMappingURL=attributes.js.map |