/opt/canhelp/node_modules/kysely/dist/esm/parser
Edit: /opt/canhelp/node_modules/kysely/dist/esm/parser/reference-parser.js (3817B)
///
import { AliasNode } from '../operation-node/alias-node.js';
import { ColumnNode } from '../operation-node/column-node.js';
import { ReferenceNode } from '../operation-node/reference-node.js';
import { TableNode } from '../operation-node/table-node.js';
import { isReadonlyArray, isString } from '../util/object-utils.js';
import { parseExpression, isExpressionOrFactory, } from './expression-parser.js';
import { IdentifierNode } from '../operation-node/identifier-node.js';
import { isOrderByDirection, parseOrderBy, } from './order-by-parser.js';
import { OperatorNode, isJSONOperator, } from '../operation-node/operator-node.js';
import { JSONReferenceNode } from '../operation-node/json-reference-node.js';
import { JSONOperatorChainNode } from '../operation-node/json-operator-chain-node.js';
import { JSONPathNode } from '../operation-node/json-path-node.js';
export function parseSimpleReferenceExpression(exp) {
if (isString(exp)) {
return parseStringReference(exp);
}
return exp.toOperationNode();
}
export function parseReferenceExpressionOrList(arg) {
if (isReadonlyArray(arg)) {
return arg.map((it) => parseReferenceExpression(it));
}
else {
return [parseReferenceExpression(arg)];
}
}
export function parseReferenceExpression(exp) {
if (isExpressionOrFactory(exp)) {
return parseExpression(exp);
}
return parseSimpleReferenceExpression(exp);
}
export function parseJSONReference(ref, op) {
const referenceNode = parseStringReference(ref);
if (isJSONOperator(op)) {
return JSONReferenceNode.create(referenceNode, JSONOperatorChainNode.create(OperatorNode.create(op)));
}
const opWithoutLastChar = op.slice(0, -1);
if (isJSONOperator(opWithoutLastChar)) {
return JSONReferenceNode.create(referenceNode, JSONPathNode.create(OperatorNode.create(opWithoutLastChar)));
}
throw new Error(`Invalid JSON operator: ${op}`);
}
export function parseStringReference(ref) {
const COLUMN_SEPARATOR = '.';
if (!ref.includes(COLUMN_SEPARATOR)) {
return ReferenceNode.create(ColumnNode.create(ref));
}
const parts = ref.split(COLUMN_SEPARATOR).map(trim);
if (parts.length === 3) {
return parseStringReferenceWithTableAndSchema(parts);
}
if (parts.length === 2) {
return parseStringReferenceWithTable(parts);
}
throw new Error(`invalid column reference ${ref}`);
}
export function parseAliasedStringReference(ref) {
const ALIAS_SEPARATOR = ' as ';
if (ref.includes(ALIAS_SEPARATOR)) {
const [columnRef, alias] = ref.split(ALIAS_SEPARATOR).map(trim);
return AliasNode.create(parseStringReference(columnRef), IdentifierNode.create(alias));
}
else {
return parseStringReference(ref);
}
}
export function parseColumnName(column) {
return ColumnNode.create(column);
}
export function parseOrderedColumnName(column) {
const ORDER_SEPARATOR = ' ';
if (column.includes(ORDER_SEPARATOR)) {
const [columnName, order] = column.split(ORDER_SEPARATOR).map(trim);
if (!isOrderByDirection(order)) {
throw new Error(`invalid order direction "${order}" next to "${columnName}"`);
}
return parseOrderBy([columnName, order])[0];
}
else {
return parseColumnName(column);
}
}
function parseStringReferenceWithTableAndSchema(parts) {
const [schema, table, column] = parts;
return ReferenceNode.create(ColumnNode.create(column), TableNode.createWithSchema(schema, table));
}
function parseStringReferenceWithTable(parts) {
const [table, column] = parts;
return ReferenceNode.create(ColumnNode.create(column), TableNode.create(table));
}
function trim(str) {
return str.trim();
}