small library to handle asyncstorage with zod checking
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moist-webDev
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3e30ee41cf
commit
b9f27eff66
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import AsyncStorage from '@react-native-async-storage/async-storage';
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export default class nasa{
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#tableName = '';
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data:any = [];
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#selectedFields: any[] = []
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error = '';
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#mode = ''
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#pushData: any = {}
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#tableSchemas: any = {}
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constructor(tableSchemas: any){
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this.#tableSchemas = tableSchemas;
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}
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from(tableName:string){
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this.#tableName = tableName;
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this.error = '';
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this.data = [];
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return this;
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}
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select(...fields:string[]){
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this.#selectedFields = fields;
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this.#mode = 'select';
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return this;
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}
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async insert(newData:any){
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let table:any = await AsyncStorage.getItem(this.#tableName);
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if(table){
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table = JSON.parse(table);
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let maxId = 0;
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table.forEach((s:any)=>{
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if(s.id > maxId){
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maxId = s.id;
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}
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});
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newData.id = maxId + 1;
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const {data, error} = await this.#tableSchemas[this.#tableName].safeParse(newData);
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if(error){
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this.error = error.message;
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return this;
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}
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table.push(data);
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await AsyncStorage.setItem(this.#tableName, JSON.stringify(table));
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this.data = data
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return this;
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}else{
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newData.id = 1;
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const {data, error} = await this.#tableSchemas[this.#tableName].safeParse(newData);
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if(error){
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this.error = error.message;
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return this;
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}
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await AsyncStorage.setItem(this.#tableName, JSON.stringify([data]));
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this.data = data
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return this;
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}
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}
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update(data:any){
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this.#pushData = data;
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this.#mode = 'update';
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return this;
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}
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delete(){
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this.#mode = 'delete';
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return this;
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}
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async eq(filters:any = {}){
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if (this.#mode === 'select'){
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return await this.realSelect(filters);
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}else if (this.#mode === 'update'){
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return await this.realUpdate(filters);
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}else if (this.#mode === 'delete'){
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return await this.realDelete(filters);
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}
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}
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async realSelect(filters: any){
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const data = await AsyncStorage.getItem(this.#tableName);
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if(data){
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this.data = JSON.parse(data);
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}
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if(this.data.length === 0){
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return this;
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}
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this.data = this.data.filter((row:any)=>{
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let match = true;
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for(let key in filters){
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if(row[key] !== filters[key]){
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match = false;
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}
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}
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return match;
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});
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if (this.#selectedFields.length > 0){
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this.data = this.data.map((row:any)=>{
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let newRow:any = {};
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this.#selectedFields.forEach((field)=>{
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newRow[field] = row[field];
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});
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return newRow;
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});
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}
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return this;
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}
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async realUpdate(where:any){
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const data = await AsyncStorage.getItem(this.#tableName);
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if(data){
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this.data = JSON.parse(data);
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}
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if(this.data.length === 0){
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return this;
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}
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let newData: any = []
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let returnData: any = []
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for (let row in this.data){
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let match = true;
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for(let key in where){
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if(this.data[row][key] !== where[key]){
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match = false;
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}
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}
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if(match){
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const toPush = {...this.data[row], ...this.#pushData};
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const {data, error} = await this.#tableSchemas[this.#tableName].safeParse(toPush);
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if(error){
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this.error = error.message;
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return this;
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}
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newData.push(data);
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returnData.push(data);
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}else{
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newData.push(this.data[row]);
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}
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}
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this.data = newData;
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await AsyncStorage.setItem(this.#tableName, JSON.stringify(this.data));
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this.data = returnData;
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return this;
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}
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async realDelete(where:any){
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const data = await AsyncStorage.getItem(this.#tableName);
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if(!data){
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this.error = 'Table empty';
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return this;
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}
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this.data = JSON.parse(data);
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if(this.data.length === 0){
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return this;
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}
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const newData: any = []
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const returnData: any = []
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this.data.forEach((row:any)=>{
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let match = true;
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for(let key in where){
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if(row[key] !== where[key]){
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match = false;
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}
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}
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if(match){
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returnData.push(row);
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}else{
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newData.push(row);
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}
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});
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this.data = newData;
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await AsyncStorage.setItem(this.#tableName, JSON.stringify(this.data));
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this.data = returnData;
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if (returnData.length === 0){
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this.error = 'No match found';
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}
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return this;
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}
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}
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