AK-21/Graphite-Industrial-Intelligence

1import { entityKind } from "./entity.js";2import { Table } from "./table.js";3function toSnakeCase(input) {4  const words = input.replace(/['\u2019]/g, "").match(/[\da-z]+|[A-Z]+(?![a-z])|[A-Z][\da-z]+/g) ?? [];5  return words.map((word) => word.toLowerCase()).join("_");6}7function toCamelCase(input) {8  const words = input.replace(/['\u2019]/g, "").match(/[\da-z]+|[A-Z]+(?![a-z])|[A-Z][\da-z]+/g) ?? [];9  return words.reduce((acc, word, i) => {10    const formattedWord = i === 0 ? word.toLowerCase() : `${word[0].toUpperCase()}${word.slice(1)}`;11    return acc + formattedWord;12  }, "");13}14function noopCase(input) {15  return input;16}17class CasingCache {18  static [entityKind] = "CasingCache";19  /** @internal */20  cache = {};21  cachedTables = {};22  convert;23  constructor(casing) {24    this.convert = casing === "snake_case" ? toSnakeCase : casing === "camelCase" ? toCamelCase : noopCase;25  }26  getColumnCasing(column) {27    if (!column.keyAsName) return column.name;28    const schema = column.table[Table.Symbol.Schema] ?? "public";29    const tableName = column.table[Table.Symbol.OriginalName];30    const key = `${schema}.${tableName}.${column.name}`;31    if (!this.cache[key]) {32      this.cacheTable(column.table);33    }34    return this.cache[key];35  }36  cacheTable(table) {37    const schema = table[Table.Symbol.Schema] ?? "public";38    const tableName = table[Table.Symbol.OriginalName];39    const tableKey = `${schema}.${tableName}`;40    if (!this.cachedTables[tableKey]) {41      for (const column of Object.values(table[Table.Symbol.Columns])) {42        const columnKey = `${tableKey}.${column.name}`;43        this.cache[columnKey] = this.convert(column.name);44      }45      this.cachedTables[tableKey] = true;46    }47  }48  clearCache() {49    this.cache = {};50    this.cachedTables = {};51  }52}53export {54  CasingCache,55  toCamelCase,56  toSnakeCase57};58//# sourceMappingURL=casing.js.map