merchi_product_editor
Version:
A React component for editing product images using Fabric.js
166 lines (165 loc) • 8.42 kB
JavaScript
;
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 __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.setupKeyboardEvents = exports.uploadImage = void 0;
var fabric_1 = require("fabric");
var PsdPreviewGenerator_1 = require("./PsdPreviewGenerator");
/**
* uploadImage
* @param canvas
* @param width
* @param height
* @param onImageAdded
* @param onPreviewGenerated
* @param psdTemplateUrl
*/
var uploadImage = function (canvas, width, height, onImageAdded, onPreviewGenerated, psdTemplateUrl) {
var input = document.createElement('input');
input.type = 'file';
input.accept = 'image/*';
input.onchange = function (e) { return __awaiter(void 0, void 0, void 0, function () {
var target, file, reader;
return __generator(this, function (_a) {
target = e.target;
if (target.files && target.files[0] && canvas) {
file = target.files[0];
reader = new FileReader();
reader.onload = function (event) { return __awaiter(void 0, void 0, void 0, function () {
var imgUrl_1;
var _a;
return __generator(this, function (_b) {
if (((_a = event.target) === null || _a === void 0 ? void 0 : _a.result) && canvas) {
imgUrl_1 = event.target.result;
fabric_1.fabric.Image.fromURL(imgUrl_1, function (img) {
if (!canvas)
return;
// adjust the image size to fit the canvas
var imgWidth = img.width || 200;
var imgHeight = img.height || 200;
var scale = Math.min((width * 0.5) / imgWidth, (height * 0.5) / imgHeight, 1);
img.scale(scale);
// rotation control
img.setControlsVisibility({
mtr: true,
});
// put the image in the center of the canvas
img.set({
left: width / 2,
top: height / 2,
cornerSize: 8,
borderColor: '#303DBF',
cornerColor: '#303DBF',
cornerStrokeColor: '#303DBF',
transparentCorners: false
});
canvas.add(img);
canvas.setActiveObject(img);
canvas.renderAll();
if (psdTemplateUrl && onPreviewGenerated) {
try {
(0, PsdPreviewGenerator_1.loadPsdFromUrl)(psdTemplateUrl)
.then(function (psdBuffer) {
return (0, PsdPreviewGenerator_1.generatePsdPreview)(psdBuffer, imgUrl_1);
})
.then(function (previewDataUrl) {
if (onPreviewGenerated) {
onPreviewGenerated(previewDataUrl);
}
})
.catch(function (error) {
console.error('Failed to generate PSD preview:', error);
});
}
catch (error) {
console.error('Failed to process preview:', error);
}
}
if (onImageAdded) {
try {
var dataUrl = canvas.toDataURL({
format: 'png',
quality: 1,
});
onImageAdded(dataUrl);
}
catch (err) {
console.warn('Failed to export dataUrl', err);
}
}
}, { crossOrigin: 'anonymous' });
}
return [2 /*return*/];
});
}); };
reader.readAsDataURL(file);
}
return [2 /*return*/];
});
}); };
input.click();
};
exports.uploadImage = uploadImage;
/**
* setupKeyboardEvents
* @param canvas
* @param onObjectRemoved
* @returns
*/
var setupKeyboardEvents = function (canvas, onObjectRemoved) {
var handleKeyDown = function (e) {
if (e.key === 'Delete') {
var activeObject = canvas.getActiveObject();
if (activeObject) {
canvas.remove(activeObject);
canvas.renderAll();
if (onObjectRemoved) {
var dataUrl = canvas.toDataURL({
format: 'png',
quality: 1,
});
onObjectRemoved(dataUrl);
}
}
}
};
document.addEventListener('keydown', handleKeyDown);
return function () {
document.removeEventListener('keydown', handleKeyDown);
};
};
exports.setupKeyboardEvents = setupKeyboardEvents;