kysely/dist/esm/parser/binary-operation-parser.js

Type safe SQL query builder

/// <reference types="./binary-operation-parser.d.ts" />
import { BinaryOperationNode } from '../operation-node/binary-operation-node.js';
import { isBoolean, isNull, isString, isUndefined, } from '../util/object-utils.js';
import { isOperationNodeSource, } from '../operation-node/operation-node-source.js';
import { OperatorNode, OPERATORS, } from '../operation-node/operator-node.js';
import { parseReferenceExpression, } from './reference-parser.js';
import { parseValueExpression, parseValueExpressionOrList, } from './value-parser.js';
import { ValueNode } from '../operation-node/value-node.js';
import { AndNode } from '../operation-node/and-node.js';
import { ParensNode } from '../operation-node/parens-node.js';
import { OrNode } from '../operation-node/or-node.js';
export function parseValueBinaryOperationOrExpression(args) {
    if (args.length === 3) {
        return parseValueBinaryOperation(args[0], args[1], args[2]);
    }
    else if (args.length === 1) {
        return parseValueExpression(args[0]);
    }
    throw new Error(`invalid arguments: ${JSON.stringify(args)}`);
}
export function parseValueBinaryOperation(left, operator, right) {
    if (isIsOperator(operator) && needsIsOperator(right)) {
        return BinaryOperationNode.create(parseReferenceExpression(left), parseOperator(operator), ValueNode.createImmediate(right));
    }
    return BinaryOperationNode.create(parseReferenceExpression(left), parseOperator(operator), parseValueExpressionOrList(right));
}
export function parseReferentialBinaryOperation(left, operator, right) {
    return BinaryOperationNode.create(parseReferenceExpression(left), parseOperator(operator), parseReferenceExpression(right));
}
export function parseFilterObject(obj, combinator) {
    return parseFilterList(Object.entries(obj)
        .filter(([, v]) => !isUndefined(v))
        .map(([k, v]) => parseValueBinaryOperation(k, needsIsOperator(v) ? 'is' : '=', v)), combinator);
}
export function parseFilterList(list, combinator, withParens = true) {
    const combine = combinator === 'and' ? AndNode.create : OrNode.create;
    if (list.length === 0) {
        return BinaryOperationNode.create(ValueNode.createImmediate(1), OperatorNode.create('='), ValueNode.createImmediate(combinator === 'and' ? 1 : 0));
    }
    let node = toOperationNode(list[0]);
    for (let i = 1; i < list.length; ++i) {
        node = combine(node, toOperationNode(list[i]));
    }
    if (list.length > 1 && withParens) {
        return ParensNode.create(node);
    }
    return node;
}
function isIsOperator(operator) {
    return operator === 'is' || operator === 'is not';
}
function needsIsOperator(value) {
    return isNull(value) || isBoolean(value);
}
function parseOperator(operator) {
    if (isString(operator) && OPERATORS.includes(operator)) {
        return OperatorNode.create(operator);
    }
    if (isOperationNodeSource(operator)) {
        return operator.toOperationNode();
    }
    throw new Error(`invalid operator ${JSON.stringify(operator)}`);
}
function toOperationNode(nodeOrSource) {
    return isOperationNodeSource(nodeOrSource)
        ? nodeOrSource.toOperationNode()
        : nodeOrSource;
}