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97 lines
2.7 KiB
97 lines
2.7 KiB
3 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.formatSort = void 0;
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const error_1 = require("./error");
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/** @internal */
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function prepareDirection(direction = 1) {
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const value = `${direction}`.toLowerCase();
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if (isMeta(direction))
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return direction;
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switch (value) {
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case 'ascending':
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case 'asc':
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case '1':
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return 1;
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case 'descending':
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case 'desc':
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case '-1':
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return -1;
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default:
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throw new error_1.MongoInvalidArgumentError(`Invalid sort direction: ${JSON.stringify(direction)}`);
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}
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}
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/** @internal */
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function isMeta(t) {
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return typeof t === 'object' && t != null && '$meta' in t && typeof t.$meta === 'string';
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}
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/** @internal */
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function isPair(t) {
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if (Array.isArray(t) && t.length === 2) {
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try {
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prepareDirection(t[1]);
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return true;
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}
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catch (e) {
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return false;
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}
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}
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return false;
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}
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function isDeep(t) {
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return Array.isArray(t) && Array.isArray(t[0]);
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}
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function isMap(t) {
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return t instanceof Map && t.size > 0;
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}
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/** @internal */
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function pairToMap(v) {
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return new Map([[`${v[0]}`, prepareDirection([v[1]])]]);
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}
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/** @internal */
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function deepToMap(t) {
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const sortEntries = t.map(([k, v]) => [`${k}`, prepareDirection(v)]);
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return new Map(sortEntries);
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}
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/** @internal */
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function stringsToMap(t) {
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const sortEntries = t.map(key => [`${key}`, 1]);
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return new Map(sortEntries);
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}
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/** @internal */
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function objectToMap(t) {
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const sortEntries = Object.entries(t).map(([k, v]) => [
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`${k}`,
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prepareDirection(v)
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]);
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return new Map(sortEntries);
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}
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/** @internal */
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function mapToMap(t) {
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const sortEntries = Array.from(t).map(([k, v]) => [
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`${k}`,
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prepareDirection(v)
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]);
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return new Map(sortEntries);
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}
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/** converts a Sort type into a type that is valid for the server (SortForCmd) */
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function formatSort(sort, direction) {
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if (sort == null)
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return undefined;
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if (typeof sort === 'string')
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return new Map([[sort, prepareDirection(direction)]]);
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if (typeof sort !== 'object') {
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throw new error_1.MongoInvalidArgumentError(`Invalid sort format: ${JSON.stringify(sort)} Sort must be a valid object`);
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}
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if (!Array.isArray(sort)) {
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return isMap(sort) ? mapToMap(sort) : Object.keys(sort).length ? objectToMap(sort) : undefined;
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}
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if (!sort.length)
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return undefined;
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if (isDeep(sort))
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return deepToMap(sort);
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if (isPair(sort))
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return pairToMap(sort);
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return stringsToMap(sort);
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}
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exports.formatSort = formatSort;
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//# sourceMappingURL=sort.js.map
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