knowledge/node_modules/drizzle-orm/casing.cjs

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var casing_exports = {};
__export(casing_exports, {
  CasingCache: () => CasingCache,
  toCamelCase: () => toCamelCase,
  toSnakeCase: () => toSnakeCase
});
module.exports = __toCommonJS(casing_exports);
var import_entity = require("./entity.cjs");
var import_table = require("./table.cjs");
function toSnakeCase(input) {
  const words = input.replace(/['\u2019]/g, "").match(/[\da-z]+|[A-Z]+(?![a-z])|[A-Z][\da-z]+/g) ?? [];
  return words.map((word) => word.toLowerCase()).join("_");
}
function toCamelCase(input) {
  const words = input.replace(/['\u2019]/g, "").match(/[\da-z]+|[A-Z]+(?![a-z])|[A-Z][\da-z]+/g) ?? [];
  return words.reduce((acc, word, i) => {
    const formattedWord = i === 0 ? word.toLowerCase() : `${word[0].toUpperCase()}${word.slice(1)}`;
    return acc + formattedWord;
  }, "");
}
function noopCase(input) {
  return input;
}
class CasingCache {
  static [import_entity.entityKind] = "CasingCache";
  /** @internal */
  cache = {};
  cachedTables = {};
  convert;
  constructor(casing) {
    this.convert = casing === "snake_case" ? toSnakeCase : casing === "camelCase" ? toCamelCase : noopCase;
  }
  getColumnCasing(column) {
    if (!column.keyAsName) return column.name;
    const schema = column.table[import_table.Table.Symbol.Schema] ?? "public";
    const tableName = column.table[import_table.Table.Symbol.OriginalName];
    const key = `${schema}.${tableName}.${column.name}`;
    if (!this.cache[key]) {
      this.cacheTable(column.table);
    }
    return this.cache[key];
  }
  cacheTable(table) {
    const schema = table[import_table.Table.Symbol.Schema] ?? "public";
    const tableName = table[import_table.Table.Symbol.OriginalName];
    const tableKey = `${schema}.${tableName}`;
    if (!this.cachedTables[tableKey]) {
      for (const column of Object.values(table[import_table.Table.Symbol.Columns])) {
        const columnKey = `${tableKey}.${column.name}`;
        this.cache[columnKey] = this.convert(column.name);
      }
      this.cachedTables[tableKey] = true;
    }
  }
  clearCache() {
    this.cache = {};
    this.cachedTables = {};
  }
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  CasingCache,
  toCamelCase,
  toSnakeCase
});
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