imagerot/lib/imagerot/node/index.js

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

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
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());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.rgbToHsv = exports.hsvToRgb = exports.fileBufferToUint8Array = exports.urlToBuffer = exports.saveBuffer = exports.useMode = exports.useEffect = exports.listEffects = exports.listModes = exports.stage = void 0;
const fileBufferToUint8Array_1 = require("./fileBufferToUint8Array");
Object.defineProperty(exports, "fileBufferToUint8Array", { enumerable: true, get: function () { return fileBufferToUint8Array_1.fileBufferToUint8Array; } });
const saveBuffer_1 = require("./saveBuffer");
Object.defineProperty(exports, "saveBuffer", { enumerable: true, get: function () { return saveBuffer_1.saveBuffer; } });
const urlToBuffer_1 = require("./urlToBuffer");
Object.defineProperty(exports, "urlToBuffer", { enumerable: true, get: function () { return urlToBuffer_1.urlToBuffer; } });
const global_1 = require("../global");
const helpers_1 = require("../../helpers");
Object.defineProperty(exports, "hsvToRgb", { enumerable: true, get: function () { return helpers_1.hsvToRgb; } });
Object.defineProperty(exports, "rgbToHsv", { enumerable: true, get: function () { return helpers_1.rgbToHsv; } });
const modes = __importStar(require("../../modes"));
const node_1 = require("../../effects/node");
const image_size_1 = __importDefault(require("image-size"));
const promises_1 = __importDefault(require("fs/promises"));
require("isomorphic-fetch");
const stage = (_a) => __awaiter(void 0, [_a], void 0, function* ({ data, url, file }) {
    let [buffer, width, height] = [null, 0, 0];
    if (!data && file && typeof file === 'string') {
        data = yield promises_1.default.readFile(file);
    }
    if (data) {
        if (data instanceof Buffer) {
            const dimensions = (0, image_size_1.default)(data);
            const convertedBuffer = yield (0, fileBufferToUint8Array_1.fileBufferToUint8Array)(data);
            [buffer, width, height] = [convertedBuffer, dimensions.width || 0, dimensions.height || 0];
        }
        else if (Array.isArray(data) && data[0] instanceof Uint8Array) {
            [buffer, width, height] = [...data];
        }
        else if (typeof data === 'object') {
            let preStaged = data;
            if (preStaged.data instanceof Uint8Array && preStaged.width && preStaged.height) {
                [buffer, width, height] = [preStaged.data, preStaged.width, preStaged.height];
            }
        }
    }
    else if (url && typeof url === 'string') {
        [buffer, width, height] = (yield (0, urlToBuffer_1.urlToBuffer)(url));
    }
    if (!buffer || !width || !height) {
        throw new Error('Failed to load image data');
    }
    return { data: buffer, width, height };
});
exports.stage = stage;
const listModes = () => {
    return Object.keys(modes);
};
exports.listModes = listModes;
const listEffects = () => {
    return Object.keys(node_1.effectPool);
};
exports.listEffects = listEffects;
const useEffect = (_a, effect_1, options_1) => __awaiter(void 0, [_a, effect_1, options_1], void 0, function* ({ data, width, height }, effect, options) {
    return (0, global_1.useEffect)({ data, width, height }, node_1.effectPool, effect, options || {});
});
exports.useEffect = useEffect;
const useMode = (_a, mode_1) => __awaiter(void 0, [_a, mode_1], void 0, function* ({ data, width, height }, mode) {
    return (0, global_1.useMode)({ data, width, height }, node_1.effectPool, mode);
});
exports.useMode = useMode;