@mcabreradev/filter/build/integrations/angular/index.js

A powerful, SQL-like array filtering library for TypeScript and JavaScript with advanced pattern matching, MongoDB-style operators, deep object comparison, and zero dependencies

var __esDecorate = (this && this.__esDecorate) || function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
    function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
    var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
    var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
    var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
    var _, done = false;
    for (var i = decorators.length - 1; i >= 0; i--) {
        var context = {};
        for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
        for (var p in contextIn.access) context.access[p] = contextIn.access[p];
        context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
        var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
        if (kind === "accessor") {
            if (result === void 0) continue;
            if (result === null || typeof result !== "object") throw new TypeError("Object expected");
            if (_ = accept(result.get)) descriptor.get = _;
            if (_ = accept(result.set)) descriptor.set = _;
            if (_ = accept(result.init)) initializers.unshift(_);
        }
        else if (_ = accept(result)) {
            if (kind === "field") initializers.unshift(_);
            else descriptor[key] = _;
        }
    }
    if (target) Object.defineProperty(target, contextIn.name, descriptor);
    done = true;
};
var __runInitializers = (this && this.__runInitializers) || function (thisArg, initializers, value) {
    var useValue = arguments.length > 2;
    for (var i = 0; i < initializers.length; i++) {
        value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
    }
    return useValue ? value : void 0;
};
import { computed, signal, Pipe } from '@angular/core';
import { filter } from '../../core/filter/filter';
export class FilterService {
    dataSignal = signal([]);
    expressionSignal = signal(null);
    optionsSignal = signal({});
    filtered = computed(() => {
        const d = this.dataSignal();
        const e = this.expressionSignal();
        const o = this.optionsSignal();
        return !e || !d.length ? d : filter(d, e, o);
    });
    isFiltering = computed(() => !!this.expressionSignal() && !!this.dataSignal().length);
    setData = (data) => this.dataSignal.set(data);
    setExpression = (expr) => this.expressionSignal.set(expr);
    setOptions = (opts) => this.optionsSignal.set(opts);
    reset = () => {
        this.expressionSignal.set(null);
        this.optionsSignal.set({});
    };
}
let FilterPipe = (() => {
    let _classDecorators = [Pipe({ name: 'filterPipe', standalone: true, pure: true })];
    let _classDescriptor;
    let _classExtraInitializers = [];
    let _classThis;
    var FilterPipe = class {
        static { _classThis = this; }
        static {
            const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(null) : void 0;
            __esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
            FilterPipe = _classThis = _classDescriptor.value;
            if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
            __runInitializers(_classThis, _classExtraInitializers);
        }
        transform(data, expr, opts) {
            return data && expr ? filter(data, expr, opts) : data || [];
        }
    };
    return FilterPipe = _classThis;
})();
export { FilterPipe };
export class DebouncedFilterService {
    dataSignal = signal([]);
    expressionSignal = signal(null);
    optionsSignal = signal({});
    timer = null;
    pendingSignal = signal(false);
    filtered = computed(() => {
        const d = this.dataSignal();
        const e = this.expressionSignal();
        const o = this.optionsSignal();
        return !e || !d.length ? d : filter(d, e, o);
    });
    isFiltering = computed(() => !!this.expressionSignal() && !!this.dataSignal().length);
    isPending = computed(() => this.pendingSignal());
    setData = (data) => this.dataSignal.set(data);
    setOptions = (opts) => this.optionsSignal.set(opts);
    setExpressionDebounced = (expr, delay = 300) => {
        this.pendingSignal.set(true);
        if (this.timer)
            clearTimeout(this.timer);
        this.timer = setTimeout(() => {
            this.expressionSignal.set(expr);
            this.pendingSignal.set(false);
            this.timer = null;
        }, delay);
    };
    reset = () => {
        if (this.timer) {
            clearTimeout(this.timer);
            this.timer = null;
        }
        this.pendingSignal.set(false);
        this.expressionSignal.set(null);
        this.optionsSignal.set({});
    };
}
export class PaginatedFilterService {
    dataSignal = signal([]);
    expressionSignal = signal(null);
    optionsSignal = signal({});
    pageSignal = signal(1);
    pageSizeSignal = signal(10);
    filtered = computed(() => {
        const d = this.dataSignal();
        const e = this.expressionSignal();
        const o = this.optionsSignal();
        return !e || !d.length ? d : filter(d, e, o);
    });
    isFiltering = computed(() => !!this.expressionSignal() && !!this.dataSignal().length);
    currentPage = computed(() => this.pageSignal());
    pageSize = computed(() => this.pageSizeSignal());
    paginatedResults = computed(() => {
        const items = this.filtered();
        const p = this.pageSignal();
        const s = this.pageSizeSignal();
        return items.slice((p - 1) * s, p * s);
    });
    totalPages = computed(() => Math.ceil(this.filtered().length / this.pageSizeSignal()));
    setData = (data) => this.dataSignal.set(data);
    setExpression = (expr) => this.expressionSignal.set(expr);
    setOptions = (opts) => this.optionsSignal.set(opts);
    setPage = (page) => {
        this.pageSignal.set(Math.max(1, Math.min(page, this.totalPages())));
    };
    setPageSize = (size) => {
        this.pageSizeSignal.set(Math.max(1, size));
        this.pageSignal.set(1);
    };
    nextPage = () => {
        const c = this.pageSignal();
        if (c < this.totalPages())
            this.pageSignal.set(c + 1);
    };
    prevPage = () => {
        const c = this.pageSignal();
        if (c > 1)
            this.pageSignal.set(c - 1);
    };
    reset = () => {
        this.expressionSignal.set(null);
        this.optionsSignal.set({});
        this.pageSignal.set(1);
    };
}
export { filter };