先核來源與已訂規則
本例共用字串格是 [Ada,Bo] 的索引 1,索引由零起,所以文字是 Bo。匯入約定只收表內整數位置;例子處理已抽記錄,並不解析 XLSX 檔案包。
| 紀錄 | 輸入 JSON |
|---|---|
| 原例輸入 | {"index":1,"shared":["Ada","Bo"]} |
比較兩條實際路徑
錯路把參考位置當文字 1,更正才是 Bo。若缺共用表,就沒有足夠資料還原名稱。
| 路徑 | 輸出 JSON |
|---|---|
| 錯誤路徑 | {"accepted":true,"text":"1"} |
| 更正路徑 | {"accepted":true,"text":"Bo"} |
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(!corrected)return {accepted:true,text:String(i.index)};
if(!Number.isInteger(i.index)||i.index<0||i.index>=i.shared.length)return {accepted:false,error:'shared-string-reference'};
return {accepted:true,text:i.shared[i.index]};
};
const cases=[{"label":"misleading base","input":{"index":1,"shared":["Ada","Bo"]},"expected":{"accepted":true,"text":"1"},"corrected":false},{"label":"corrected base","input":{"index":1,"shared":["Ada","Bo"]},"expected":{"accepted":true,"text":"Bo"},"corrected":true},{"label":"first shared string","input":{"index":0,"shared":["Ada","Bo"]},"expected":{"accepted":true,"text":"Ada"},"corrected":true},{"label":"out of bounds reference","input":{"index":2,"shared":["Ada","Bo"]},"expected":{"accepted":false,"error":"shared-string-reference"},"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
索引零得 Ada;兩項表沒有索引二,要暫停。
| 情況 | 輸入 JSON | 預期輸出 JSON |
|---|---|---|
| 首個共用字串位置 | {"index":0,"shared":["Ada","Bo"]} | {"accepted":true,"text":"Ada"} |
| 索引超出字串表 | {"index":2,"shared":["Ada","Bo"]} | {"accepted":false,"error":"shared-string-reference"} |
此處索引 1 對哪個文字?
查看參考答案
Bo,1 是共用字串表位置,不是名稱。