imagerot/lib/imagerot/global/useEffect/index.js

A lightweight, cross-environment image library for applying unique effects via raw image buffers.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.useEffect = void 0;
const applyEffect_1 = require("../applyEffect");
const useEffect = (_a, effectPool_1, effect_1, options_1) => __awaiter(void 0, [_a, effectPool_1, effect_1, options_1], void 0, function* ({ data, width, height }, effectPool, effect, options) {
    const effectsToUse = (!Array.isArray(effect) ? [effect] : effect);
    if (Array.isArray(options) && options.length !== effectsToUse.length) {
        throw new Error('Invalid options length');
    }
    let i = 0;
    for (let currentEffect of effectsToUse) {
        if (!effectPool[currentEffect]) {
            throw new Error(`Invalid effect: ${currentEffect}`);
        }
        const applied = yield (0, applyEffect_1.applyEffect)({
            data, width, height, effectPool,
            effect: currentEffect,
            options: Array.isArray(options) ? options[i] : options
        });
        [data, width, height] = [applied.data, applied.width, applied.height];
        i++;
    }
    return { data, width, height };
});
exports.useEffect = useEffect;