/opt/canhelp/node_modules/kysely/dist/esm/parser
Edit: /opt/canhelp/node_modules/kysely/dist/esm/parser/binary-operation-parser.js (3184B)
///
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;
}