angular-odata
Version:
Client side OData typescript library for Angular
55 lines • 7.89 kB
JavaScript
import { Expression } from './base';
import { FieldFactory, functions, operators, RenderableFactory, } from './syntax';
export class ComputeExpression extends Expression {
names;
constructor({ children, names, } = {}) {
super({ children });
this.names = names || [];
}
get [Symbol.toStringTag]() {
return 'ComputeExpression';
}
static factory(opts, current) {
return opts({
t: FieldFactory(),
e: () => new ComputeExpression(),
}, current);
}
toJson() {
const json = super.toJson();
return Object.assign(json, {
names: this.names,
});
}
static fromJson(json) {
return new ComputeExpression({
children: json['children'].map((c) => RenderableFactory(c)),
names: json['names'],
});
}
render({ aliases, escape, prefix, parser, options, } = {}) {
const children = this._children.map((n) => n.render({ aliases, escape, prefix, parser, options }));
return this.names
.map((name, index) => `${children[index]} as ${name}`)
.join(',');
}
clone() {
return new ComputeExpression({
children: this._children.map((c) => c.clone()),
names: [...this.names],
});
}
_add(name, node) {
this.names.push(name);
this._children.push(node);
return this;
}
field(name, opts) {
const node = opts({
o: operators,
f: functions,
});
return this._add(name, node);
}
}
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