project init & fix ui

miniprogram_npm/tdesign-miniprogram/common/src/control.js

@@ -0,0 +1,40 @@
+const defaultOption = {
+    valueKey: 'value',
+    defaultValueKey: 'defaultValue',
+    changeEventName: 'change',
+    strict: true,
+};
+function useControl(option = {}) {
+    const { valueKey, defaultValueKey, changeEventName, strict } = Object.assign(Object.assign({}, defaultOption), option);
+    const props = this.properties || {};
+    const value = props[valueKey];
+    const defaultValue = props[strict ? defaultValueKey : valueKey];
+    let controlled = false;
+    if (strict && typeof value !== 'undefined' && value !== null) {
+        controlled = true;
+    }
+    const set = (newVal, extObj, fn) => {
+        this.setData(Object.assign({ [`_${valueKey}`]: newVal }, extObj), fn);
+    };
+    return {
+        controlled,
+        initValue: controlled ? value : defaultValue,
+        set,
+        get: () => {
+            return this.data[`_${valueKey}`];
+        },
+        change: (newVal, customChangeData, customUpdateFn) => {
+            this.triggerEvent(changeEventName, typeof customChangeData !== 'undefined' ? customChangeData : newVal);
+            if (controlled) {
+                return;
+            }
+            if (typeof customUpdateFn === 'function') {
+                customUpdateFn();
+            }
+            else {
+                set(newVal);
+            }
+        },
+    };
+}
+export { useControl };