snapshot of https://github.com/espocrm/espocrm.git (master, 2026-09-18; blobs > 131072B omitted)

client/src/util/ajax.ts

@@ -0,0 +1,81 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+export class AjaxPromise<T = any> extends Promise<T> {
+
+    /**
+     * @type {XMLHttpRequest|null}
+     * @internal
+     */
+    xhr: XMLHttpRequest | null = null
+
+    isAborted = false
+
+    /**
+     * Abort the request.
+     */
+    abort() {
+        this.isAborted = true;
+
+        if (this.xhr) {
+            this.xhr.abort();
+        }
+    }
+
+    /**
+     * Get a ready state.
+     *
+     */
+    getReadyState(): number {
+        if (!this.xhr) {
+            return 0;
+        }
+
+        return this.xhr.readyState || 0;
+    }
+
+    /**
+     * Get a status code
+     *
+     * @return {Number}
+     */
+    getStatus(): number {
+        if (!this.xhr) {
+            return 0;
+        }
+
+        return this.xhr.status;
+    }
+}
+
+export class Xhr extends XMLHttpRequest {
+    /**
+     * To be set in an error handler to bypass default handling.
+     */
+    errorIsHandled = false
+}

client/src/util/event.js

@@ -0,0 +1,141 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+/**
+ * @internal
+ * Listen to model attribute change.
+ *
+ * @param {{
+ *     owner: import('view').default | import('model').default | import('collection').default,
+ *     target: import('model').default,
+ *     attributes?: string[],
+ *     once?: boolean,
+ *     callback: function({
+ *         ui: boolean|null,
+ *         action: string|'ui'|'save'|'fetch'|'cancel-edit'|null,
+ *         fromView: import('views/fields/base').default,
+ *     }),
+ * }} params
+ * @return {{stop: function()}}
+ * @since 10.0.0
+ */
+export function onModelChange(params) {
+    const owner = params.owner;
+    const target = params.target;
+    const callback = params.callback;
+
+    let event = 'change';
+
+    if (params.attributes) {
+        event = params.attributes
+            .map(it => `change:${it}`)
+            .join(' ');
+    }
+
+    /**
+     * @param {Record} o
+     */
+    function callCallback(o) {
+        callback({
+            ui: o.ui ?? null,
+            action: o.action ?? null,
+            fromView: o.fromView ?? null,
+        });
+    }
+
+    const wrappedCallback = params.attributes ?
+        (m, v, o) => callCallback(o) :
+        (m, o) => callCallback(o);
+
+    function stop() {
+        owner.stopListening(target, event, wrappedCallback);
+    }
+
+    const output = {stop};
+
+    if (params.once) {
+        owner.listenToOnce(target, event, wrappedCallback);
+
+        return output;
+    }
+
+    owner.listenTo(target, event, wrappedCallback);
+
+    return output;
+}
+
+/**
+ * @internal
+ * Listen to sync.
+ *
+ * @param {{
+ *     owner: import('view').default | import('model').default | import('collection').default,
+ *     target: import('model').default | import('collection').default,
+ *     once?: boolean,
+ *     callback: function({
+ *         action: 'fetch'|'save'|'destroy'|null,
+ *         response: *,
+ *     }),
+ * }} params
+ * @return {{stop: function()}}
+ * @since 10.0.0
+ */
+export function onSync(params) {
+    const owner = params.owner;
+    const target = params.target;
+    const callback = params.callback;
+
+    const event = 'sync';
+
+    /**
+     * @param {Record} o
+     * @param {*} response
+     */
+    function wrappedCallback(o, response) {
+        callback({
+            action: o.action ?? null,
+            response: response,
+        });
+    }
+
+    function stop() {
+        owner.stopListening(target, event, wrappedCallback);
+    }
+
+    const output = {stop};
+
+    if (params.once) {
+        owner.listenToOnce(target, event, wrappedCallback);
+
+        return output;
+    }
+
+    owner.listenTo(target, event, wrappedCallback);
+
+    return output;
+}