129 lines
3.7 KiB
JavaScript
129 lines
3.7 KiB
JavaScript
/// <reference types="./expression-wrapper.d.ts" />
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import { AliasNode } from '../operation-node/alias-node.js';
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import { AndNode } from '../operation-node/and-node.js';
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import { IdentifierNode } from '../operation-node/identifier-node.js';
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import { isOperationNodeSource } from '../operation-node/operation-node-source.js';
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import { OrNode } from '../operation-node/or-node.js';
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import { ParensNode } from '../operation-node/parens-node.js';
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import { parseValueBinaryOperationOrExpression, } from '../parser/binary-operation-parser.js';
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export class ExpressionWrapper {
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#node;
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constructor(node) {
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this.#node = node;
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}
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/** @private */
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get expressionType() {
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return undefined;
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}
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as(alias) {
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return new AliasedExpressionWrapper(this, alias);
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}
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or(...args) {
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return new OrWrapper(OrNode.create(this.#node, parseValueBinaryOperationOrExpression(args)));
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}
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and(...args) {
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return new AndWrapper(AndNode.create(this.#node, parseValueBinaryOperationOrExpression(args)));
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}
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/**
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* Change the output type of the expression.
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*
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* This method call doesn't change the SQL in any way. This methods simply
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* returns a copy of this `ExpressionWrapper` with a new output type.
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*/
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$castTo() {
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return new ExpressionWrapper(this.#node);
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}
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/**
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* Omit null from the expression's type.
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*
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* This function can be useful in cases where you know an expression can't be
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* null, but Kysely is unable to infer it.
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*
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* This method call doesn't change the SQL in any way. This methods simply
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* returns a copy of `this` with a new output type.
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*/
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$notNull() {
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return new ExpressionWrapper(this.#node);
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}
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toOperationNode() {
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return this.#node;
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}
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}
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export class AliasedExpressionWrapper {
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#expr;
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#alias;
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constructor(expr, alias) {
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this.#expr = expr;
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this.#alias = alias;
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}
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/** @private */
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get expression() {
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return this.#expr;
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}
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/** @private */
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get alias() {
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return this.#alias;
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}
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toOperationNode() {
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return AliasNode.create(this.#expr.toOperationNode(), isOperationNodeSource(this.#alias)
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? this.#alias.toOperationNode()
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: IdentifierNode.create(this.#alias));
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}
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}
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export class OrWrapper {
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#node;
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constructor(node) {
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this.#node = node;
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}
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/** @private */
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get expressionType() {
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return undefined;
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}
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as(alias) {
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return new AliasedExpressionWrapper(this, alias);
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}
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or(...args) {
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return new OrWrapper(OrNode.create(this.#node, parseValueBinaryOperationOrExpression(args)));
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}
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/**
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* Change the output type of the expression.
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*
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* This method call doesn't change the SQL in any way. This methods simply
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* returns a copy of this `OrWrapper` with a new output type.
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*/
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$castTo() {
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return new OrWrapper(this.#node);
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}
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toOperationNode() {
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return ParensNode.create(this.#node);
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}
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}
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export class AndWrapper {
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#node;
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constructor(node) {
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this.#node = node;
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}
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/** @private */
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get expressionType() {
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return undefined;
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}
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as(alias) {
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return new AliasedExpressionWrapper(this, alias);
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}
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and(...args) {
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return new AndWrapper(AndNode.create(this.#node, parseValueBinaryOperationOrExpression(args)));
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}
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/**
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* Change the output type of the expression.
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*
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* This method call doesn't change the SQL in any way. This methods simply
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* returns a copy of this `AndWrapper` with a new output type.
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*/
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$castTo() {
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return new AndWrapper(this.#node);
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}
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toOperationNode() {
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return ParensNode.create(this.#node);
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}
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}
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