survey-core
Version:
A framework-independent core of the SurveyJS Form Library that works with rendering packages. Use it to integrate dynamic, interactive JSON-based forms and surveys into your app, collect user responses, and send them to your own database.
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TypeScript
import { Base } from "./base";
import { IQuestion } from "./base-interfaces";
import { HashTable } from "./helpers";
export interface IValueGetterItem {
name: string;
index?: number;
}
export interface IValueGetterInfo {
obj?: IObjectValueContext;
propObj?: any;
propName?: string;
context?: IValueGetterContext;
requireStrictCompare?: boolean;
isFound?: boolean;
value?: any;
}
export interface IObjectValueContext {
getValueGetterContext(isUnwrapped?: boolean): IValueGetterContext;
}
export interface IValueGetterContextGetValueParams {
path: Array<IValueGetterItem>;
isRoot: boolean;
index: number;
createObjects?: boolean;
isProperty?: boolean;
}
export interface IValueGetterContext {
getValue(params: IValueGetterContextGetValueParams): IValueGetterInfo;
getTextValue?(name: string, value: any, isDisplayValue: boolean): string;
getObj?(): Base;
getRootObj?(): IObjectValueContext;
getQuestion?(): IQuestion;
}
export interface IValueInfoParams {
name: string;
context: IValueGetterContext;
isText?: boolean;
isDisplayValue?: boolean;
createObjects?: boolean;
}
export interface IReturnValue {
isFound: boolean;
value: any;
question?: IQuestion;
propObj?: any;
propName?: string;
strictCompare?: boolean;
}
export declare class ValueGetter {
constructor();
getValueInfo(params: IValueInfoParams): IReturnValue;
private getValueInfoCore;
getValue(name: string, context: IValueGetterContext, isText?: boolean, isDisplayValue?: boolean): any;
getDisplayValue(name: string, context: IValueGetterContext, isDisplayValue?: boolean): string;
isAnyKeyChanged(keys: any, usedNames: string[]): boolean;
private getFirstNameByKeys;
private getValueFromObject;
private run;
getPath(name: string): Array<IValueGetterItem>;
private getValueItem;
}
export declare class ValueGetterContextCore implements IValueGetterContext {
constructor();
getValue(params: IValueGetterContextGetValueParams): IValueGetterInfo;
protected isSearchNameRevert(): boolean;
private checkValueByPath;
private getNameByPath;
private getMaxIndexByPath;
getTextValue(name: string, value: any, isDisplayValue: boolean): string;
protected getInitialvalue(): any;
protected updateValueByItem(name: string, res: IValueGetterInfo): void;
protected updateItemByIndex(index: number, res: IValueGetterInfo): void;
}
export declare class VariableGetterContext extends ValueGetterContextCore {
private variables;
constructor(variables: HashTable<any>);
protected getInitialvalue(): any;
protected isSearchNameRevert(): boolean;
protected updateValueByItem(name: string, res: IValueGetterInfo): void;
protected updateItemByIndex(index: number, res: IValueGetterInfo): void;
protected getValueByItemCore(obj: any, name: string): any;
}
export declare class PropertyGetterContext extends VariableGetterContext {
private obj;
private lastObj;
private lastName;
constructor(obj: any);
getValue(params: IValueGetterContextGetValueParams): IValueGetterInfo;
protected getValueByItemCore(obj: any, name: string): any;
}
export declare class VariableGetterContextEx extends VariableGetterContext {
private second;
constructor(variables: HashTable<any>, second: IValueGetterContext);
getValue(params: IValueGetterContextGetValueParams): IValueGetterInfo;
}
export declare class ProcessValue {
private contextValue;
properties: HashTable<any>;
asyncValues: HashTable<any>;
onCompleteAsyncFunc: (op: any) => void;
constructor(context: IValueGetterContext);
get context(): IValueGetterContext;
hasValue(text: string): boolean;
getValue(text: string): any;
private getValueInfoByContext;
getValueInfo(valueInfo: any): {
hasValue: boolean;
};
}