merchi_product_editor
Version:
A React component for editing product images using Fabric.js
194 lines (193 loc) • 9.24 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.addFilesToCanvas = exports.addTextToCanvas = exports.loadImageFromUrl = void 0;
var fabric_1 = require("fabric");
var loadImageFromUrl = function (canvas, viewUrl, width, height) {
return new Promise(function (resolve, reject) {
fabric_1.fabric.Image.fromURL(viewUrl, function (img) {
if (!img) {
reject(new Error('Failed to load image'));
return;
}
// Scale image to fit canvas while maintaining aspect ratio
var scale = Math.min(width / img.width, height / img.height);
img.scale(scale);
// Center the image
img.set({
left: (width - img.width * scale) / 2,
top: (height - img.height * scale) / 2,
selectable: false,
evented: false,
});
canvas.add(img);
canvas.sendToBack(img);
canvas.renderAll();
resolve();
});
});
};
exports.loadImageFromUrl = loadImageFromUrl;
/**
* Adds an editable text object to the canvas
* @param canvas - The Fabric.js canvas instance
* @param width - The width of the canvas
* @param height - The height of the canvas
* @param defaultText - Optional default text (defaults to "Text")
* @param fontSize - Optional font size (defaults to 24)
* @param fontFamily - Optional font family (defaults to Arial)
*/
var addTextToCanvas = function (canvas, width, height, defaultText, fontSize, fontFamily) {
if (defaultText === void 0) { defaultText = 'Text'; }
if (fontSize === void 0) { fontSize = 24; }
if (fontFamily === void 0) { fontFamily = 'Nunito'; }
if (!canvas)
return null;
try {
// Safe check if canvas is still valid
if (!canvas.getElement() || !canvas.getElement().parentNode) {
return null;
}
// Create a new text object with minimal options
var text_1 = new fabric_1.fabric.IText(defaultText, {
left: width / 2,
top: height / 2,
fontFamily: fontFamily,
fontSize: fontSize,
fill: '#000000',
originX: 'center',
originY: 'center',
selectable: true,
editable: true
});
// Add the text to the canvas
canvas.add(text_1);
// Ensure the text is rendered
canvas.renderAll();
// Make the text active - this is critical
var setActiveTextObject = function () {
try {
// Check if canvas is still valid
if (canvas && canvas.getElement() && canvas.getElement().parentNode) {
canvas.setActiveObject(text_1);
canvas.renderAll();
}
}
catch (err) {
console.error('Error setting active text object:', err);
}
};
// Initial selection
setActiveTextObject();
// Delayed selection to ensure text becomes active
setTimeout(setActiveTextObject, 50);
return text_1;
}
catch (error) {
console.error('Error adding text to canvas:', error);
return null;
}
};
exports.addTextToCanvas = addTextToCanvas;
var addFilesToCanvas = function (canvas, files, width, height) { return __awaiter(void 0, void 0, void 0, function () {
var _loop_1, _i, files_1, file;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!canvas || !files.length)
return [2 /*return*/];
_loop_1 = function (file) {
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!file.viewUrl)
return [2 /*return*/, "continue"];
return [4 /*yield*/, new Promise(function (resolve) {
if (!file.viewUrl) {
resolve();
return;
}
fabric_1.fabric.Image.fromURL(file.viewUrl, function (img) {
if (!img) {
resolve();
return;
}
// Scale image to fit canvas while maintaining aspect ratio
var scale = Math.min((width * 0.5) / img.width, (height * 0.5) / img.height, 1);
img.scale(scale);
// Center the image
img.set({
left: width / 2,
top: height / 2,
cornerSize: 8,
borderColor: '#303DBF',
cornerColor: '#303DBF',
cornerStrokeColor: '#303DBF',
transparentCorners: false,
selectable: true,
evented: true
});
canvas.add(img);
canvas.setActiveObject(img);
canvas.renderAll();
resolve();
});
})];
case 1:
_b.sent();
return [2 /*return*/];
}
});
};
_i = 0, files_1 = files;
_a.label = 1;
case 1:
if (!(_i < files_1.length)) return [3 /*break*/, 4];
file = files_1[_i];
return [5 /*yield**/, _loop_1(file)];
case 2:
_a.sent();
_a.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4: return [2 /*return*/];
}
});
}); };
exports.addFilesToCanvas = addFilesToCanvas;