先核來源與已訂規則
本例已抽取的儲存格有 kind、value。錯誤格 #N/A 要保留錯誤待查;原文剛好寫 #N/A 的文字格是另一類,真正空格則另用 null。
| 紀錄 | 輸入 JSON |
|---|---|
| 原例輸入 | {"kind":"error","value":"#N/A"} |
比較兩條實際路徑
錯輸出把空字串當已收,遮掉來源問題。更正以 source-cell-error 暫停,原 #N/A 留着,不改成資料欠缺。
| 路徑 | 輸出 JSON |
|---|---|
| 錯誤路徑 | {"accepted":true,"value":""} |
| 更正路徑 | {"accepted":false,"error":"source-cell-error","original":"#N/A"} |
import {DatabaseSync} from 'node:sqlite';
import {TextDecoder} from 'node:util';
import {inflateSync} from 'node:zlib';
import {posix} from 'node:path';
import {createHash} from 'node:crypto';
const rows=(db,sql)=>db.prepare(sql).all().map(r=>({...r}));
const failed=(action)=>{try{action();return null;}catch(e){return {code:e.errcode??e.code??e.name};}};
import assert from 'node:assert/strict';
const run=function run(i,corrected=true){
if(i.kind==='error')return corrected?{accepted:false,error:'source-cell-error',original:i.value}:{accepted:true,value:''};
return {accepted:true,value:i.kind==='blank'?null:i.value};
};
const cases=[{"label":"misleading base","input":{"kind":"error","value":"#N/A"},"expected":{"accepted":true,"value":""},"corrected":false},{"label":"corrected base","input":{"kind":"error","value":"#N/A"},"expected":{"accepted":false,"error":"source-cell-error","original":"#N/A"},"corrected":true},{"label":"literal text resembles error","input":{"kind":"text","value":"#N/A"},"expected":{"accepted":true,"value":"#N/A"},"corrected":true},{"label":"genuine blank cell","input":{"kind":"blank","value":null},"expected":{"accepted":true,"value":null},"corrected":true}];
for(const test of cases){
const actual=run(test.input,test.corrected);
assert.deepEqual(actual,test.expected,test.label);
console.log(test.label,actual);
}
下次載入前核邊界
字面 #N/A 作文字收;真正空格按此選填格約定收 null。
| 情況 | 輸入 JSON | 預期輸出 JSON |
|---|---|---|
| 外觀似錯誤的原文字 | {"kind":"text","value":"#N/A"} | {"accepted":true,"value":"#N/A"} |
| 真正空白儲存格 | {"kind":"blank","value":null} | {"accepted":true,"value":null} |
錯誤 #N/A 與文字 #N/A 可互換嗎?
查看參考答案
不可,來源類型不同。錯誤留待查,普通文字照留。