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| 1 | +import type { DiagnosticGroup } from "./core/DiagnosticGroup.js" |
| 2 | +import type { DiagnosticSeverity } from "./core/LanguageServicePluginOptions.js" |
| 3 | +import { diagnostics } from "./diagnostics.js" |
| 4 | + |
| 5 | +export type RuleSeverity = DiagnosticSeverity | "off" |
| 6 | + |
| 7 | +export interface DiagnosticPreset { |
| 8 | + readonly name: string |
| 9 | + readonly description: string |
| 10 | + readonly diagnosticSeverity: Readonly<Record<string, RuleSeverity>> |
| 11 | +} |
| 12 | + |
| 13 | +const severityRank: Record<RuleSeverity, number> = { |
| 14 | + off: 0, |
| 15 | + suggestion: 1, |
| 16 | + message: 2, |
| 17 | + warning: 3, |
| 18 | + error: 4 |
| 19 | +} |
| 20 | + |
| 21 | +const diagnosticDefaultSeverities: Readonly<Record<string, RuleSeverity>> = Object.fromEntries( |
| 22 | + diagnostics.map((diagnostic) => [diagnostic.name, diagnostic.severity]) |
| 23 | +) |
| 24 | + |
| 25 | +const diagnosticNamesByLowerCase: Readonly<Record<string, string>> = Object.fromEntries( |
| 26 | + diagnostics.map((diagnostic) => [diagnostic.name.toLowerCase(), diagnostic.name]) |
| 27 | +) |
| 28 | + |
| 29 | +const diagnosticGroupsByName: Readonly<Record<string, DiagnosticGroup>> = Object.fromEntries( |
| 30 | + diagnostics.map((diagnostic) => [diagnostic.name, diagnostic.group]) |
| 31 | +) |
| 32 | + |
| 33 | +const buildGroupPreset = ( |
| 34 | + group: DiagnosticGroup, |
| 35 | + severity: RuleSeverity |
| 36 | +): Readonly<Record<string, RuleSeverity>> => |
| 37 | + Object.fromEntries( |
| 38 | + diagnostics |
| 39 | + .filter((diagnostic) => diagnostic.group === group) |
| 40 | + .map((diagnostic) => [diagnostic.name, severity]) |
| 41 | + ) |
| 42 | + |
| 43 | +export const presets = [{ |
| 44 | + name: "effect-native", |
| 45 | + description: "Enable all Effect-native diagnostics at warning level.", |
| 46 | + diagnosticSeverity: buildGroupPreset("effectNative", "warning") |
| 47 | +}] as const satisfies ReadonlyArray<DiagnosticPreset> |
| 48 | + |
| 49 | +export type DiagnosticPresetName = (typeof presets)[number]["name"] |
| 50 | + |
| 51 | +const presetsByName: Readonly<Record<DiagnosticPresetName, DiagnosticPreset>> = Object.fromEntries( |
| 52 | + presets.map((preset) => [preset.name, preset]) |
| 53 | +) as Record<DiagnosticPresetName, DiagnosticPreset> |
| 54 | + |
| 55 | +export function compareRuleSeverity(left: RuleSeverity, right: RuleSeverity): number { |
| 56 | + return severityRank[left] - severityRank[right] |
| 57 | +} |
| 58 | + |
| 59 | +export function maxRuleSeverity(left: RuleSeverity, right: RuleSeverity): RuleSeverity { |
| 60 | + return compareRuleSeverity(left, right) >= 0 ? left : right |
| 61 | +} |
| 62 | + |
| 63 | +export function normalizeDiagnosticSeverities( |
| 64 | + severities: Readonly<Record<string, RuleSeverity>> |
| 65 | +): Record<string, RuleSeverity> { |
| 66 | + const canonicalSeverities = Object.fromEntries( |
| 67 | + Object.entries(severities).map(( |
| 68 | + [name, severity] |
| 69 | + ) => [diagnosticNamesByLowerCase[name.toLowerCase()] ?? name, severity]) |
| 70 | + ) |
| 71 | + |
| 72 | + return Object.fromEntries( |
| 73 | + Object.entries(canonicalSeverities).flatMap(([name, severity]) => { |
| 74 | + const defaultSeverity = diagnosticDefaultSeverities[name] |
| 75 | + if (defaultSeverity !== undefined && defaultSeverity === severity) { |
| 76 | + return [] |
| 77 | + } |
| 78 | + return [[name, severity]] |
| 79 | + }) |
| 80 | + ) |
| 81 | +} |
| 82 | + |
| 83 | +export function resolveDiagnosticSeverity( |
| 84 | + name: string, |
| 85 | + severities: Readonly<Record<string, RuleSeverity>> |
| 86 | +): RuleSeverity { |
| 87 | + const canonicalName = diagnosticNamesByLowerCase[name.toLowerCase()] ?? name |
| 88 | + return severities[canonicalName] ?? severities[name] ?? diagnosticDefaultSeverities[canonicalName] ?? "off" |
| 89 | +} |
| 90 | + |
| 91 | +export function mergePresetDiagnosticSeverities( |
| 92 | + presetNames: ReadonlyArray<DiagnosticPresetName> |
| 93 | +): Record<string, RuleSeverity> { |
| 94 | + const merged: Record<string, RuleSeverity> = {} |
| 95 | + |
| 96 | + for (const presetName of presetNames) { |
| 97 | + const preset = presetsByName[presetName] |
| 98 | + for (const [ruleName, severity] of Object.entries(preset.diagnosticSeverity)) { |
| 99 | + merged[ruleName] = ruleName in merged ? maxRuleSeverity(merged[ruleName]!, severity) : severity |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + return merged |
| 104 | +} |
| 105 | + |
| 106 | +export function applyPresetDiagnosticSeverities( |
| 107 | + currentSeverities: Readonly<Record<string, RuleSeverity>>, |
| 108 | + presetNames: ReadonlyArray<DiagnosticPresetName> |
| 109 | +): Record<string, RuleSeverity> { |
| 110 | + const mergedPresetSeverities = mergePresetDiagnosticSeverities(presetNames) |
| 111 | + const nextSeverities = normalizeDiagnosticSeverities(currentSeverities) |
| 112 | + |
| 113 | + for (const [ruleName, requiredSeverity] of Object.entries(mergedPresetSeverities)) { |
| 114 | + const currentSeverity = resolveDiagnosticSeverity(ruleName, nextSeverities) |
| 115 | + if (compareRuleSeverity(currentSeverity, requiredSeverity) < 0) { |
| 116 | + nextSeverities[ruleName] = requiredSeverity |
| 117 | + } |
| 118 | + } |
| 119 | + |
| 120 | + return normalizeDiagnosticSeverities(nextSeverities) |
| 121 | +} |
| 122 | + |
| 123 | +export function isPresetEnabled( |
| 124 | + presetName: DiagnosticPresetName, |
| 125 | + severities: Readonly<Record<string, RuleSeverity>> |
| 126 | +): boolean { |
| 127 | + const preset = presetsByName[presetName] |
| 128 | + return Object.entries(preset.diagnosticSeverity).every(([ruleName, requiredSeverity]) => |
| 129 | + compareRuleSeverity(resolveDiagnosticSeverity(ruleName, severities), requiredSeverity) >= 0 |
| 130 | + ) |
| 131 | +} |
| 132 | + |
| 133 | +export function getDiagnosticGroupPresetNames(group: DiagnosticGroup): ReadonlyArray<DiagnosticPresetName> { |
| 134 | + return presets |
| 135 | + .filter((preset) => |
| 136 | + Object.keys(preset.diagnosticSeverity).every((ruleName) => diagnosticGroupsByName[ruleName] === group) |
| 137 | + ) |
| 138 | + .map((preset) => preset.name) |
| 139 | +} |
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