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| var fs = require('fs');
var reduceCustomer = (output) => output.reduce((output,row)=>{
// 如果沒有值就用空的當預設值，之後push才不會有問題
output[row[0]] = output[row[0]] || [];
output[row[0]].push({
'product':row[1],
'price':row[2],
'amount':row[3]
});
return output;
}, {});
var funcDoor = (path, fn) => {
var rawData = (path) => fs.readFileSync(path, 'utf8')
.trim()
.split("\n");
// 要傳入參數，否則最後的結果還是function
var result = (path)=>fn(rawData(path).map((row) => {
return row.split(',')
} ));
return result(path);
}
console.log( funcDoor('data/data.txt', reduceCustomer));
// return;
// console.log('output',JSON.stringify(convertJson('data/data.txt'), null, 2));
var reduceCsv = (output) => output.reduce((output, row) => {
// 直接整理到一個result的key，之後就不用煩惱怎麼把key移掉
output['result'] = output['result']||[];
let input = {
'id':row[0],
'parent_id':row[1]!='null' ? row[1] : JSON.parse(row[1])
};
output['result'].push(input);
// output[i] = input;
return output
} ,{})['result']
let menuTreeResult;
console.log(menuTreeResult = funcDoor('data/menutree.txt', reduceCsv));
fs.writeFile('./data/menutree.json',JSON.stringify(menuTreeResult, null ,2));
|