@sequelize/core/lib/utils/join-sql-fragments.js

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift, Snowflake’s Data Cloud, Db2, and IBM i. It features solid transaction support, relations, eager and lazy loading, read replication a

"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 join_sql_fragments_exports = {};
__export(join_sql_fragments_exports, {
  JoinSQLFragmentsError: () => JoinSQLFragmentsError,
  joinSQLFragments: () => joinSQLFragments
});
module.exports = __toCommonJS(join_sql_fragments_exports);
function doesNotWantLeadingSpace(str) {
  return /^[),;]/.test(str);
}
function doesNotWantTrailingSpace(str) {
  return str.endsWith("(");
}
function singleSpaceJoinHelper(parts) {
  return parts.reduce(
    ({ skipNextLeadingSpace, result }, part) => {
      if (skipNextLeadingSpace || doesNotWantLeadingSpace(part)) {
        result += part.trim();
      } else {
        result += ` ${part.trim()}`;
      }
      return {
        skipNextLeadingSpace: doesNotWantTrailingSpace(part),
        result
      };
    },
    {
      skipNextLeadingSpace: true,
      result: ""
    }
  ).result;
}
function joinSQLFragments(array) {
  if (array.length === 0) {
    return "";
  }
  const truthyArray = array.filter(
    (x) => Boolean(x)
  );
  const flattenedArray = truthyArray.map((fragment) => {
    if (Array.isArray(fragment)) {
      return joinSQLFragments(fragment);
    }
    return fragment;
  });
  for (const fragment of flattenedArray) {
    if (fragment && typeof fragment !== "string") {
      throw new JoinSQLFragmentsError(
        flattenedArray,
        fragment,
        `Tried to construct a SQL string with a non-string, non-falsy fragment (${fragment}).`
      );
    }
  }
  const trimmedArray = flattenedArray.map((x) => x.trim());
  const nonEmptyStringArray = trimmedArray.filter((x) => x !== "");
  return singleSpaceJoinHelper(nonEmptyStringArray);
}
class JoinSQLFragmentsError extends TypeError {
  args;
  fragment;
  // iirc this error is only used when we get an invalid fragment.
  constructor(args, fragment, message) {
    super(message);
    this.args = args;
    this.fragment = fragment;
    this.name = "JoinSQLFragmentsError";
  }
}
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