@shopify/app-bridge
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JavaScript
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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 (_) 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.createMutationObserver = exports.setupModalAutoSizing = void 0;
var Modal_1 = require("../actions/Modal");
var MessageTransport_1 = require("../MessageTransport");
var platform_1 = require("./platform");
var AUTO_SIZE_CLASS = 'app-bridge-utils-modal-auto-size';
var autoSizeStylesheet = createAutoSizeStylesheet();
function createAutoSizeStylesheet() {
if (typeof document === 'undefined') {
return null;
}
var autoSizeStylesheet = document.createElement('style');
autoSizeStylesheet.type = 'text/css';
autoSizeStylesheet.innerHTML = "." + AUTO_SIZE_CLASS + " { overflow: hidden; height: auto; min-height: auto; }";
return autoSizeStylesheet;
}
function addAutoSizing(app, id) {
if (!autoSizeStylesheet) {
return function () { };
}
var head = document.getElementsByTagName('head')[0];
var classList = document.body.classList;
head.appendChild(autoSizeStylesheet);
classList.add(AUTO_SIZE_CLASS);
var mutationObserver = createMutationObserver(app, id);
return function () {
classList.remove(AUTO_SIZE_CLASS);
if (head.contains(autoSizeStylesheet)) {
head.removeChild(autoSizeStylesheet);
}
if (mutationObserver) {
mutationObserver.disconnect();
}
};
}
/**
* Automatically track changes to the document.body height and dispatch and action to update the modal size
* @remarks This utility should only be used for an app that is meant to open inside a Modal
* @param app App Bridge client application instance
* @returns function to remove the auto-size tracker for the document.body
*
* @public
*/
function setupModalAutoSizing(app) {
return __awaiter(this, void 0, void 0, function () {
function cleanup() {
if (removeAutoSizing) {
removeAutoSizing();
removeAutoSizing = undefined;
}
}
function handleModalSizeUpdate(appState) {
var context = appState.context, id = appState.modal.id;
if (platform_1.isMobile() || context !== MessageTransport_1.Context.Modal) {
cleanup();
return cleanup;
}
if (!removeAutoSizing) {
removeAutoSizing = addAutoSizing(app, id);
}
return cleanup;
}
var removeAutoSizing;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, app.getState().then(handleModalSizeUpdate)];
case 1:
_a.sent();
return [2 /*return*/, cleanup];
}
});
});
}
exports.setupModalAutoSizing = setupModalAutoSizing;
/**
* Sets up modal auto sizing, using a MutationObserver.
*
* @param app App Bridge client application instance
* @param id Currently active modal instance ID
*
* @internal
*/
function createMutationObserver(app, id) {
if (typeof document === 'undefined') {
return;
}
var lastKnownWindowHeight = -1;
var mutationTimeoutId;
var mutationObserverConfig = {
attributes: true,
attributeOldValue: false,
characterData: true,
characterDataOldValue: false,
childList: true,
subtree: true,
};
var mutationObserver = new MutationObserver(debouncedResizeHandler);
mutationObserver.observe(document, mutationObserverConfig);
updateHeight();
function debouncedResizeHandler() {
if (mutationTimeoutId) {
window.clearTimeout(mutationTimeoutId);
}
mutationTimeoutId = window.setTimeout(updateHeight, 16);
}
function updateHeight() {
var height = document.body.scrollHeight;
if (height !== lastKnownWindowHeight) {
lastKnownWindowHeight = height;
app.dispatch(Modal_1.updateModalSize({ id: id, height: String(height) }));
}
}
return mutationObserver;
}
exports.createMutationObserver = createMutationObserver;