@qoollo/ngx-form-url-saver
Version:
Angular directive for syncing form's data with URL query
109 lines • 15.6 kB
JavaScript
import { DateTime } from 'luxon';
import { isDate } from '../utils/is-date';
export class SeparatedComplexQueryGenerationStrategy {
constructor(useDateTime) {
this.useDateTime = useDateTime;
this.COMPLEX_OBJECT_PREFIX = 'complex-';
}
inferFormValueFromQuery(queryParams, formValue) {
const simpleQuery = this.readAllSimpleQuery(queryParams, formValue);
const complexQuery = this.readAllComplexQuery(queryParams);
return { ...simpleQuery, ...complexQuery };
}
convertFormValueToQueryObject(formValue) {
const queryObject = {};
for (const key of Object.keys(formValue)) {
if (this.isObject(formValue[key]) && !DateTime.isDateTime(formValue[key])) {
queryObject[this.createComplexKey(key)] = JSON.stringify(formValue[key]);
}
else {
queryObject[key] = this.prepareValue(formValue[key]);
}
}
return queryObject;
}
createClearingObject(formValue) {
const filtersObject = {};
for (const key of Object.keys(formValue)) {
if (this.isObject(formValue[key])) {
filtersObject[this.createComplexKey(key)] = null;
}
else {
filtersObject[key] = null;
}
}
return filtersObject;
}
prepareValue(value) {
if (isDate(value) || DateTime.isDateTime(value)) {
return value.toJSON();
}
return value;
}
readAllSimpleQuery(queryParams, form) {
const simpleQueryObject = {};
for (const key of Object.keys(form)) {
const value = this.getNewValueByQueryKey(queryParams, key, form);
if (this.useDateTime && typeof value === 'string') {
const dateTimeValue = DateTime.fromISO(value);
simpleQueryObject[key] = dateTimeValue.isValid ? dateTimeValue : value;
}
else {
simpleQueryObject[key] = value;
}
}
return simpleQueryObject;
}
getNewValueByQueryKey(queryParams, key, form) {
const queryParamValue = ['true', 'false'].includes(queryParams[key])
? JSON.parse(queryParams[key])
: queryParams[key];
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
const currentValue = form[key];
if (queryParamValue === undefined || queryParamValue === null) {
return currentValue;
}
const queryValueMustBeConvertedToArray = Array.isArray(currentValue) && !Array.isArray(queryParamValue);
return queryValueMustBeConvertedToArray
? [queryParamValue]
: queryParamValue;
}
readAllComplexQuery(queryParams) {
const complexQueryKeys = Object.keys(queryParams)
.filter(paramName => this.checkIfKeyIsComplex(paramName));
if (!complexQueryKeys.length) {
return {};
}
const newFormValue = {};
for (const complexKey of complexQueryKeys) {
const originKey = this.getOriginKey(complexKey);
try {
newFormValue[originKey] = JSON.parse(queryParams[complexKey]);
}
catch (error) { }
}
return newFormValue;
}
// #region Working with complex keys for nested objects
createComplexKey(objectKey) {
return this.COMPLEX_OBJECT_PREFIX + objectKey;
}
getOriginKey(complexKey) {
return complexKey.replace(this.COMPLEX_OBJECT_PREFIX, '');
}
checkIfKeyIsComplex(key) {
return key.includes(this.COMPLEX_OBJECT_PREFIX);
}
// #endregion
/**
* Checks whether the passed value is an object.
* Returns `false` for `date` or `array`.
*
* `Object.prototype.toString.call(new Date()) = [object Date]`
* `Object.prototype.toString.call(new Array()) = [object Array]`
*/
isObject(value) {
return Object.prototype.toString.call(value) === '[object Object]';
}
}
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{ Params } from '@angular/router';\nimport { QueryGenerationStrategy } from './query-generation-strategy.interface';\nimport { DateTime } from 'luxon';\nimport { isDate } from '../utils/is-date';\n\nexport class SeparatedComplexQueryGenerationStrategy implements QueryGenerationStrategy {\n\n    private readonly COMPLEX_OBJECT_PREFIX = 'complex-';\n\n    public constructor(\n        private readonly useDateTime: boolean,\n    ) {}\n\n    public inferFormValueFromQuery(queryParams: Params, formValue: Record<string, unknown>): object {\n        const simpleQuery = this.readAllSimpleQuery(queryParams, formValue);\n\n        const complexQuery = this.readAllComplexQuery(queryParams);\n\n        return { ...simpleQuery, ...complexQuery };\n    }\n\n\n    public convertFormValueToQueryObject(formValue: Record<string, unknown>): object {\n        const queryObject: Record<string, unknown> = {};\n\n        for (const key of Object.keys(formValue)) {\n            if (this.isObject(formValue[key]) && !DateTime.isDateTime(formValue[key])) {\n                queryObject[this.createComplexKey(key)] = JSON.stringify(formValue[key]);\n            } else {\n                queryObject[key] = this.prepareValue(formValue[key]);\n            }\n        }\n\n        return queryObject;\n    }\n\n    public createClearingObject(formValue: Record<string, undefined>): object {\n        const filtersObject: Record<string, null> = {};\n\n        for (const key of Object.keys(formValue)) {\n            if (this.isObject(formValue[key])) {\n                filtersObject[this.createComplexKey(key)] = null;\n            } else {\n                filtersObject[key] = null;\n            }\n        }\n\n        return filtersObject;\n    }\n\n    private prepareValue(value: unknown) {\n        if (isDate(value) || DateTime.isDateTime(value)) {\n            return value.toJSON();\n        }\n\n        return value;\n    }\n\n    private readAllSimpleQuery(queryParams: Params, form: Record<string, unknown>) {\n        const simpleQueryObject: Record<string, unknown> = {};\n\n        for (const key of Object.keys(form)) {\n            const value: unknown = this.getNewValueByQueryKey(queryParams, key, form);\n            if (this.useDateTime && typeof value === 'string') {\n                const dateTimeValue = DateTime.fromISO(value);\n                simpleQueryObject[key] = dateTimeValue.isValid ? dateTimeValue : value;\n            } else {\n                simpleQueryObject[key] = value;\n            }\n        }\n\n        return simpleQueryObject;\n    }\n\n    public getNewValueByQueryKey(queryParams: Params, key: string, form: Record<string, unknown>) {\n        const queryParamValue: unknown = ['true', 'false'].includes(queryParams[key])\n            ? JSON.parse(queryParams[key])\n            : queryParams[key];\n\n        // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n        const currentValue: unknown = form[key];\n\n        if (queryParamValue === undefined || queryParamValue === null) {\n            return currentValue;\n        }\n\n        const queryValueMustBeConvertedToArray = Array.isArray(currentValue) && !Array.isArray(queryParamValue);\n\n        return queryValueMustBeConvertedToArray\n            ? [queryParamValue]\n            : queryParamValue;\n    }\n\n    private readAllComplexQuery(queryParams: Params) {\n        const complexQueryKeys = Object.keys(queryParams)\n            .filter(paramName => this.checkIfKeyIsComplex(paramName));\n\n        if (!complexQueryKeys.length) {\n            return {};\n        }\n\n        const newFormValue: Record<string, unknown> = {};\n\n        for (const complexKey of complexQueryKeys) {\n            const originKey = this.getOriginKey(complexKey);\n\n            try {\n                newFormValue[originKey] = JSON.parse(queryParams[complexKey]);\n            } catch (error: unknown) {}\n        }\n\n        return newFormValue;\n    }\n\n    // #region Working with complex keys for nested objects\n\n    private createComplexKey(objectKey: string) {\n        return this.COMPLEX_OBJECT_PREFIX + objectKey;\n    }\n\n    private getOriginKey(complexKey: string) {\n        return complexKey.replace(this.COMPLEX_OBJECT_PREFIX, '');\n    }\n\n    private checkIfKeyIsComplex(key: string) {\n        return key.includes(this.COMPLEX_OBJECT_PREFIX);\n    }\n\n    // #endregion\n\n    /**\n     * Checks whether the passed value is an object.\n     * Returns `false` for `date` or `array`.\n     *\n     * `Object.prototype.toString.call(new Date()) = [object Date]`\n     * `Object.prototype.toString.call(new Array()) = [object Array]`\n     */\n    private isObject(value: unknown): value is object {\n        return Object.prototype.toString.call(value) === '[object Object]';\n    }\n}\n"]}