data-manager2

process html, store and filter data
Verzia zo dňa 06.09.2025. Pozri najnovšiu verziu.
Tento skript by nemal byť nainštalovaný priamo. Je to knižnica pre ďalšie skripty, ktorú by mali používať cez meta príkaz // @require https://update.greasyforks.org/scripts/548610/1656007/data-manager2.js
Spýtať sa otázku, uverejniť recenziu, alebo nahlásiť skript.
Zalomiť riadky
// ==UserScript==
// @name         data-manager2
// @namespace    Violentmonkey Scripts
// @version      1.5
// @license      MIT
// @description  process html, store and filter data
// @author       smartacephale
// @match        *://*/*
// @grant        unsafeWindow
// @grant        GM_addStyle
// @downloadURL https://update.greasyforks.org/scripts/494204/data-manager.user.js
// @updateURL https://update.greasyforks.org/scripts/494204/data-manager.meta.js
// ==/UserScript==

class DataFilter {
    constructor(rules, state) {
        this.state = state;
        this.rules = rules;

        const methods = Object.getOwnPropertyNames(this);
        this.filters = methods.reduce((acc, k) => {
            if (k in this.state) {
                acc[k] = this[k];
                GM_addStyle(`.filter-${k.toLowerCase().slice(6)} { display: none !important; }`);
            }
            return acc;
        }, {});
    }

    filterPublic = () => {
        return (v) => {
            const isPublic = !this.rules.IS_PRIVATE(v.element);
            return {
                tag: 'filter-public',
                condition: this.state.filterPublic && isPublic
            };
        }
    }

    filterPrivate = () => {
        return (v) => {
            const isPrivate = this.rules.IS_PRIVATE(v.element);
            return {
                tag: 'filter-private',
                condition: this.state.filterPrivate && isPrivate
            };
        }
    }

    filterDuration = () => {
        return (v) => {
            const notInRange = v.duration < this.state.filterDurationFrom || v.duration > this.state.filterDurationTo;
            return {
                tag: 'filter-duration',
                condition: this.state.filterDuration && notInRange
            };
        }
    }

    filterExclude = () => {
        const tags = DataManager.filterDSLToRegex(this.state.filterExcludeWords);
        return (v) => {
            const containTags = tags.some(tag => tag.test(v.title));
            return {
                tag: 'filter-exclude',
                condition: this.state.filterExclude && containTags
            };
        }
    }

    filterInclude = () => {
        const tags = DataManager.filterDSLToRegex(this.state.filterIncludeWords);
        return (v) => {
            const containTagsNot = tags.some(tag => !tag.test(v.title));
            return {
                tag: 'filter-include',
                condition: this.state.filterInclude && containTagsNot
            };
        }
    }
}

class DataManager {
    constructor(rules, state) {
        this.rules = rules;
        this.state = state;
        this.data = new Map();
        this.lazyImgLoader = new unsafeWindow.bhutils.LazyImgLoader((target) => !this.isFiltered(target));
        this.dataFilters = new DataFilter(rules, state).filters;
    }

    static filterDSLToRegex(str) {
        const toFullWord = w => `(^|\ )${w}($|\ )`;
        const str_ = str.replace(/f\:(\w+)/g, (_, w) => toFullWord(w));
        return unsafeWindow.bhutils.stringToWords(str_).map(expr => new RegExp(expr, 'i'));
    }

    isFiltered(el) {
        return el.className.includes('filtered');
    }

    applyFilters = (filters, offset = 0) => {
        const filtersToApply = Object.keys(filters)
            .filter(k => Object.hasOwn(this.dataFilters, k))
            .map(k => this.dataFilters[k]());

        if (filtersToApply.length === 0) return;

        let updates = [];
        let offset_counter = 1;
        for (const v of this.data.values()) {
            if (++offset_counter > offset) {
                for (const f of filtersToApply) {
                    const {tag, condition} = f(v);
                    updates.push(() => v.element.classList.toggle(tag, condition));
                }
            }
        }

        requestAnimationFrame(() => {
            updates.forEach(update => update());
        });
    }

    filterAll = (offset) => {
        const filters = Object.assign({}, ...Object.keys(this.dataFilters).map(f => ({ [f]: this.state[f] })));
        this.applyFilters(filters, offset);
    }

    handleLoadedHTML = (html, container, removeDuplicates = false, shouldLazify = true) => {
        const thumbs = this.rules.GET_THUMBS(html);
        const data_offset = this.data.size;

        for (const thumbElement of thumbs) {
            const url = this.rules.THUMB_URL(thumbElement);
            if (!url || this.data.has(url)) {
                if (removeDuplicates) thumbElement.remove();
                continue;
            }

            const { title, duration } = this.rules.THUMB_DATA(thumbElement);
            this.data.set(url, { element: thumbElement, duration, title });

            if (shouldLazify) {
                const { img, imgSrc } = this.rules.THUMB_IMG_DATA(thumbElement);
                this.lazyImgLoader.lazify(thumbElement, img, imgSrc);
            }

            const parent = container || this.rules.CONTAINER;
            if (!parent.contains(thumbElement)) parent.appendChild(thumbElement);
        }

        this.filterAll(data_offset);
    };
}