upd: routing dev

src/lib/schema-parser.ts

@@ -0,0 +1,104 @@
+export interface SchemaField {
+  name: string
+  type: string
+  isId: boolean
+  isUnique: boolean
+  isOptional: boolean
+  isList: boolean
+  isRelation: boolean
+  default?: string
+}
+
+export interface SchemaRelation {
+  from: string
+  fromField: string
+  to: string
+  toField: string
+  onDelete?: string
+}
+
+export interface SchemaModel {
+  name: string
+  tableName: string
+  fields: SchemaField[]
+}
+
+export interface SchemaEnum {
+  name: string
+  values: string[]
+}
+
+export interface ParsedSchema {
+  models: SchemaModel[]
+  enums: SchemaEnum[]
+  relations: SchemaRelation[]
+}
+
+export function parseSchema(raw: string): ParsedSchema {
+  const models: SchemaModel[] = []
+  const enums: SchemaEnum[] = []
+  const relations: SchemaRelation[] = []
+
+  const blocks = raw.match(/(model|enum)\s+(\w+)\s*\{([^}]*)}/gs) ?? []
+
+  for (const block of blocks) {
+    const match = block.match(/(model|enum)\s+(\w+)\s*\{([^}]*)}/s)
+    if (!match) continue
+    const [, type, name, body] = match
+    const lines = body
+      .split('\n')
+      .map((l) => l.trim())
+      .filter((l) => l && !l.startsWith('//'))
+
+    if (type === 'enum') {
+      enums.push({ name, values: lines })
+      continue
+    }
+
+    let tableName = name
+    const fields: SchemaField[] = []
+
+    for (const line of lines) {
+      const mapMatch = line.match(/@@map\("(\w+)"\)/)
+      if (mapMatch) { tableName = mapMatch[1]; continue }
+      if (line.startsWith('@@')) continue
+
+      const fieldMatch = line.match(/^(\w+)\s+(\w+)(\?)?(\[\])?\s*(.*)$/)
+      if (!fieldMatch) continue
+      const [, fName, fType, optional, list, attrs] = fieldMatch
+
+      const isId = attrs.includes('@id')
+      const isUnique = attrs.includes('@unique')
+      const isRelation = attrs.includes('@relation')
+      const defaultMatch = attrs.match(/@default\(([^)]+)\)/)
+
+      const isModelRef =
+        /^[A-Z]/.test(fType) &&
+        !enums.some((e) => e.name === fType) &&
+        !['String', 'Int', 'Float', 'Boolean', 'DateTime', 'BigInt', 'Decimal', 'Bytes', 'Json'].includes(fType)
+
+      if (isRelation) {
+        const relMatch = attrs.match(
+          /@relation\(fields:\s*\[(\w+)],\s*references:\s*\[(\w+)](?:,\s*onDelete:\s*(\w+))?\)/,
+        )
+        if (relMatch) {
+          relations.push({ from: name, fromField: relMatch[1], to: fType, toField: relMatch[2], onDelete: relMatch[3] })
+        }
+      }
+
+      fields.push({
+        name: fName,
+        type: fType + (list ? '[]' : ''),
+        isId, isUnique,
+        isOptional: !!optional,
+        isList: !!list,
+        isRelation: isModelRef,
+        default: defaultMatch?.[1],
+      })
+    }
+
+    models.push({ name, tableName, fields })
+  }
+
+  return { models, enums, relations }
+}