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{"version":3,"file":"utils.js","sources":["../../../src/metrics/utils.ts"],"sourcesContent":["import type { MeasurementUnit, MetricBucketItem, Primitive } from '@sentry/types';\nimport { dropUndefinedKeys } from '@sentry/utils';\nimport type { MetricType } from './types';\n\n/**\n * Generate bucket key from metric properties.\n */\nexport function getBucketKey(\n  metricType: MetricType,\n  name: string,\n  unit: MeasurementUnit,\n  tags: Record,\n): string {\n  const stringifiedTags = Object.entries(dropUndefinedKeys(tags)).sort((a, b) => a[0].localeCompare(b[0]));\n  return `${metricType}${name}${unit}${stringifiedTags}`;\n}\n\n/* eslint-disable no-bitwise */\n/**\n * Simple hash function for strings.\n */\nexport function simpleHash(s: string): number {\n  let rv = 0;\n  for (let i = 0; i < s.length; i++) {\n    const c = s.charCodeAt(i);\n    rv = (rv << 5) - rv + c;\n    rv &= rv;\n  }\n  return rv >>> 0;\n}\n/* eslint-enable no-bitwise */\n\n/**\n * Serialize metrics buckets into a string based on statsd format.\n *\n * Example of format:\n * metric.name@second:1:1.2|d|#a:value,b:anothervalue|T12345677\n * Segments:\n * name: metric.name\n * unit: second\n * value: [1, 1.2]\n * type of metric: d (distribution)\n * tags: { a: value, b: anothervalue }\n * timestamp: 12345677\n */\nexport function serializeMetricBuckets(metricBucketItems: MetricBucketItem[]): string {\n  let out = '';\n  for (const item of metricBucketItems) {\n    const tagEntries = Object.entries(item.tags);\n    const maybeTags = tagEntries.length > 0 ? `|#${tagEntries.map(([key, value]) => `${key}:${value}`).join(',')}` : '';\n    out += `${item.name}@${item.unit}:${item.metric}|${item.metricType}${maybeTags}|T${item.timestamp}\\n`;\n  }\n  return out;\n}\n\n/**\n * Sanitizes units\n *\n * These Regex's are straight from the normalisation docs:\n * https://develop.sentry.dev/sdk/metrics/#normalization\n */\nexport function sanitizeUnit(unit: string): string {\n  return unit.replace(/[^\\w]+/gi, '_');\n}\n\n/**\n * Sanitizes metric keys\n *\n * These Regex's are straight from the normalisation docs:\n * https://develop.sentry.dev/sdk/metrics/#normalization\n */\nexport function sanitizeMetricKey(key: string): string {\n  return key.replace(/[^\\w\\-.]+/gi, '_');\n}\n\n/**\n * Sanitizes metric keys\n *\n * These Regex's are straight from the normalisation docs:\n * https://develop.sentry.dev/sdk/metrics/#normalization\n */\nfunction sanitizeTagKey(key: string): string {\n  return key.replace(/[^\\w\\-./]+/gi, '');\n}\n\n/**\n * These Regex's are straight from the normalisation docs:\n * https://develop.sentry.dev/sdk/metrics/#normalization\n */\nconst tagValueReplacements: [string, string][] = [\n  ['\\n', '\\\\n'],\n  ['\\r', '\\\\r'],\n  ['\\t', '\\\\t'],\n  ['\\\\', '\\\\\\\\'],\n  ['|', '\\\\u{7c}'],\n  [',', '\\\\u{2c}'],\n];\n\nfunction getCharOrReplacement(input: string): string {\n  for (const [search, replacement] of tagValueReplacements) {\n    if (input === search) {\n      return replacement;\n    }\n  }\n\n  return input;\n}\n\nfunction sanitizeTagValue(value: string): string {\n  return [...value].reduce((acc, char) => acc + getCharOrReplacement(char), '');\n}\n\n/**\n * Sanitizes tags.\n */\nexport function sanitizeTags(unsanitizedTags: Record): Record {\n  const tags: Record = {};\n  for (const key in unsanitizedTags) {\n    if (Object.prototype.hasOwnProperty.call(unsanitizedTags, key)) {\n      const sanitizedKey = sanitizeTagKey(key);\n      tags[sanitizedKey] = sanitizeTagValue(String(unsanitizedTags[key]));\n    }\n  }\n  return 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