| 1 | function profileNow() { |
| 2 | return typeof performance !== 'undefined' && performance.now |
| 3 | ? performance.now() |
| 4 | : Date.now(); |
| 5 | } |
| 6 | |
| 7 | function createDetectorProfile() { |
| 8 | return { events: [] }; |
| 9 | } |
| 10 | |
| 11 | function recordProfileEvent(profile, event) { |
| 12 | if (!profile) return; |
| 13 | const normalized = { |
| 14 | engine: event.engine || 'unknown', |
| 15 | phase: event.phase || 'unknown', |
| 16 | ruleId: event.ruleId || 'unknown', |
| 17 | target: event.target || '', |
| 18 | ms: Number.isFinite(event.ms) ? event.ms : 0, |
| 19 | findings: Number.isFinite(event.findings) ? event.findings : 0, |
| 20 | }; |
| 21 | if (event.detail) normalized.detail = event.detail; |
| 22 | if (Array.isArray(event.findingIds) && event.findingIds.length) { |
| 23 | normalized.findingIds = event.findingIds; |
| 24 | } |
| 25 | if (typeof profile === 'function') { |
| 26 | profile(normalized); |
| 27 | } else if (typeof profile.record === 'function') { |
| 28 | profile.record(normalized); |
| 29 | } else if (Array.isArray(profile.events)) { |
| 30 | profile.events.push(normalized); |
| 31 | } else if (Array.isArray(profile)) { |
| 32 | profile.push(normalized); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | function extractFindingIds(findings) { |
| 37 | if (!Array.isArray(findings) || findings.length === 0) return []; |
| 38 | return [...new Set(findings.map(f => f?.id || f?.type || f?.antipattern).filter(Boolean))]; |
| 39 | } |
| 40 | |
| 41 | function profileFindings(profile, meta, callback) { |
| 42 | if (!profile) return callback(); |
| 43 | const started = profileNow(); |
| 44 | const findings = callback(); |
| 45 | recordProfileEvent(profile, { |
| 46 | ...meta, |
| 47 | ms: profileNow() - started, |
| 48 | findings: Array.isArray(findings) ? findings.length : 0, |
| 49 | findingIds: extractFindingIds(findings), |
| 50 | }); |
| 51 | return findings; |
| 52 | } |
| 53 | |
| 54 | function profileStep(profile, meta, callback) { |
| 55 | if (!profile) return callback(); |
| 56 | const started = profileNow(); |
| 57 | try { |
| 58 | return callback(); |
| 59 | } finally { |
| 60 | recordProfileEvent(profile, { |
| 61 | ...meta, |
| 62 | ms: profileNow() - started, |
| 63 | findings: 0, |
| 64 | }); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | async function profileFindingsAsync(profile, meta, callback) { |
| 69 | if (!profile) return callback(); |
| 70 | const started = profileNow(); |
| 71 | const findings = await callback(); |
| 72 | recordProfileEvent(profile, { |
| 73 | ...meta, |
| 74 | ms: profileNow() - started, |
| 75 | findings: Array.isArray(findings) ? findings.length : 0, |
| 76 | findingIds: extractFindingIds(findings), |
| 77 | }); |
| 78 | return findings; |
| 79 | } |
| 80 | |
| 81 | async function profileStepAsync(profile, meta, callback) { |
| 82 | if (!profile) return callback(); |
| 83 | const started = profileNow(); |
| 84 | try { |
| 85 | return await callback(); |
| 86 | } finally { |
| 87 | recordProfileEvent(profile, { |
| 88 | ...meta, |
| 89 | ms: profileNow() - started, |
| 90 | findings: 0, |
| 91 | }); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | function percentile(sortedValues, pct) { |
| 96 | if (!sortedValues.length) return 0; |
| 97 | const idx = Math.min( |
| 98 | sortedValues.length - 1, |
| 99 | Math.max(0, Math.ceil((pct / 100) * sortedValues.length) - 1), |
| 100 | ); |
| 101 | return sortedValues[idx]; |
| 102 | } |
| 103 | |
| 104 | function summarizeDetectorProfile(profile) { |
| 105 | const events = Array.isArray(profile) |
| 106 | ? profile |
| 107 | : (Array.isArray(profile?.events) ? profile.events : []); |
| 108 | const groups = new Map(); |
| 109 | for (const event of events) { |
| 110 | const key = [ |
| 111 | event.engine || 'unknown', |
| 112 | event.phase || 'unknown', |
| 113 | event.ruleId || 'unknown', |
| 114 | event.target || '', |
| 115 | ].join('\u0000'); |
| 116 | let group = groups.get(key); |
| 117 | if (!group) { |
| 118 | group = { |
| 119 | engine: event.engine || 'unknown', |
| 120 | phase: event.phase || 'unknown', |
| 121 | ruleId: event.ruleId || 'unknown', |
| 122 | target: event.target || '', |
| 123 | calls: 0, |
| 124 | totalMs: 0, |
| 125 | findings: 0, |
| 126 | samples: [], |
| 127 | }; |
| 128 | groups.set(key, group); |
| 129 | } |
| 130 | const ms = Number.isFinite(event.ms) ? event.ms : 0; |
| 131 | group.calls += 1; |
| 132 | group.totalMs += ms; |
| 133 | group.findings += Number.isFinite(event.findings) ? event.findings : 0; |
| 134 | group.samples.push(ms); |
| 135 | } |
| 136 | return [...groups.values()] |
| 137 | .map(group => { |
| 138 | const samples = group.samples.sort((a, b) => a - b); |
| 139 | return { |
| 140 | engine: group.engine, |
| 141 | phase: group.phase, |
| 142 | ruleId: group.ruleId, |
| 143 | target: group.target, |
| 144 | calls: group.calls, |
| 145 | totalMs: Number(group.totalMs.toFixed(3)), |
| 146 | avgMs: Number((group.totalMs / group.calls).toFixed(3)), |
| 147 | p50: Number(percentile(samples, 50).toFixed(3)), |
| 148 | p95: Number(percentile(samples, 95).toFixed(3)), |
| 149 | findings: group.findings, |
| 150 | }; |
| 151 | }) |
| 152 | .sort((a, b) => b.totalMs - a.totalMs); |
| 153 | } |
| 154 | |
| 155 | export { |
| 156 | profileNow, |
| 157 | createDetectorProfile, |
| 158 | recordProfileEvent, |
| 159 | extractFindingIds, |
| 160 | profileFindings, |
| 161 | profileStep, |
| 162 | profileFindingsAsync, |
| 163 | profileStepAsync, |
| 164 | percentile, |
| 165 | summarizeDetectorProfile, |
| 166 | }; |
| 167 |