1 | ;
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2 | /**
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3 | * Copyright 2019, OpenCensus Authors
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4 | *
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5 | * Licensed under the Apache License, Version 2.0 (the "License");
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6 | * you may not use this file except in compliance with the License.
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7 | * You may obtain a copy of the License at
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8 | *
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9 | * http://www.apache.org/licenses/LICENSE-2.0
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10 | *
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11 | * Unless required by applicable law or agreed to in writing, software
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12 | * distributed under the License is distributed on an "AS IS" BASIS,
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 | * See the License for the specific language governing permissions and
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15 | * limitations under the License.
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16 | */
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17 | Object.defineProperty(exports, "__esModule", { value: true });
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18 | exports.isValidOption = exports.isValidSpanId = exports.isValidTraceId = void 0;
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19 | /**
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20 | * Determines if the given hex string is truely a hex value. False if value is
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21 | * null.
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22 | * @param value
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23 | */
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24 | const isHex = (value) => {
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25 | return typeof value === 'string' && /^[0-9A-F]*$/i.test(value);
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26 | };
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27 | /**
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28 | * Determines if the given hex string is all zeros. False if value is null.
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29 | * @param value
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30 | */
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31 | const isNotAllZeros = (value) => {
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32 | return typeof value === 'string' && !/^[0]*$/i.test(value);
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33 | };
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34 | /**
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35 | * Determines if the given hex string is of the given length. False if value is
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36 | * null.
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37 | * @param value
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38 | */
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39 | const isLength = (length) => {
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40 | return (value) => {
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41 | return typeof value === 'string' && value.length === length;
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42 | };
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43 | };
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44 | /**
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45 | * Compose a set of validation functions into a single validation call.
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46 | */
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47 | const compose = (...fns) => {
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48 | // @ts-expect-error ts-migrate(2322) FIXME: Type '(value: string) => ValidationFn' is not assi... Remove this comment to see the full error message
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49 | return (value) => {
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50 | // @ts-expect-error ts-migrate(2769) FIXME: No overload matches this call.
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51 | return fns.reduce((isValid, fn) => isValid && fn(value), true);
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52 | };
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53 | };
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54 | /**
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55 | * Determines if the given traceId is valid based on section 2.2.2.1 of the
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56 | * Trace Context spec.
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57 | */
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58 | exports.isValidTraceId = compose(isHex, isNotAllZeros, isLength(32));
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59 | /**
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60 | * Determines if the given spanId is valid based on section 2.2.2.2 of the Trace
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61 | * Context spec.
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62 | */
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63 | exports.isValidSpanId = compose(isHex, isNotAllZeros, isLength(16));
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64 | /**
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65 | * Determines if the given option is valid based on section 2.2.3 of the Trace
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66 | * Context spec.
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67 | */
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68 | exports.isValidOption = compose(isHex, isLength(2));
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69 | //# sourceMappingURL=validators.js.map |
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