nano-queries
Version:
Simple and powerful database-agnostic query builder (SQL & NoSQL)
42 lines (40 loc) • 4.17 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Query = exports.filterOutEmptySegments = void 0;
const RawSegment_1 = require("./RawSegment");
const filterOutEmptySegments = (segments) => segments.filter((segment) => segment !== undefined);
exports.filterOutEmptySegments = filterOutEmptySegments;
class Query {
segments = [];
constructor(...segments) {
if (segments) {
this.addSegment(...segments);
}
}
/**
* Returns query segments number
*/
size() {
return this.getSegments().length;
}
/**
* Returns final query that may be preprocessed
* Returned query will be used while compile SQL
*/
getSegments() {
return this.segments;
}
addSegment(...segments) {
this.segments.push(...(0, exports.filterOutEmptySegments)(segments).map((segment) => {
switch (typeof segment) {
case 'string':
case 'number':
return new RawSegment_1.RawSegment(segment);
default:
return segment === null ? new RawSegment_1.RawSegment(null) : segment;
}
}));
}
}
exports.Query = Query;
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