Sticker Creator

preload_utils.js

@@ -0,0 +1,74 @@
+/* global window */
+
+const { ipcRenderer: ipc } = require('electron');
+
+exports.installGetter = function installGetter(name, functionName) {
+  ipc.on(`get-${name}`, async () => {
+    const getFn = window.Events[functionName];
+    if (!getFn) {
+      ipc.send(
+        `get-success-${name}`,
+        `installGetter: ${functionName} not found for event ${name}`
+      );
+      return;
+    }
+    try {
+      ipc.send(`get-success-${name}`, null, await getFn());
+    } catch (error) {
+      ipc.send(
+        `get-success-${name}`,
+        error && error.stack ? error.stack : error
+      );
+    }
+  });
+};
+
+exports.installSetter = function installSetter(name, functionName) {
+  ipc.on(`set-${name}`, async (_event, value) => {
+    const setFn = window.Events[functionName];
+    if (!setFn) {
+      ipc.send(
+        `set-success-${name}`,
+        `installSetter: ${functionName} not found for event ${name}`
+      );
+      return;
+    }
+    try {
+      await setFn(value);
+      ipc.send(`set-success-${name}`);
+    } catch (error) {
+      ipc.send(
+        `set-success-${name}`,
+        error && error.stack ? error.stack : error
+      );
+    }
+  });
+};
+
+exports.makeGetter = function makeGetter(name) {
+  return () =>
+    new Promise((resolve, reject) => {
+      ipc.once(`get-success-${name}`, (event, error, value) => {
+        if (error) {
+          return reject(error);
+        }
+
+        return resolve(value);
+      });
+      ipc.send(`get-${name}`);
+    });
+};
+
+exports.makeSetter = function makeSetter(name) {
+  return value =>
+    new Promise((resolve, reject) => {
+      ipc.once(`set-success-${name}`, (event, error) => {
+        if (error) {
+          return reject(error);
+        }
+
+        return resolve();
+      });
+      ipc.send(`set-${name}`, value);
+    });
+};