# parser-property

> 解析属性

Latest version **2.0.0** (published 2022-04-08) · ISC license · 0 weekly downloads

## Install

```sh
npm install parser-property
pnpm add parser-property
yarn add parser-property
bun add parser-property
```

## Health

**Score 15/100 (F)** — status: abandoned.

Positive: no vulnerabilities.

Warnings: low downloads; no types; no esm support.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 2.0.0 |
| Published | 2022-04-08 |
| First published | 2022-01-09 |
| Weekly downloads | 0 |
| License | ISC |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 0 |
| Unpacked size | 8.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 4 |
| Author | い 狂奔的蜗牛 |
| Maintainers | llf137224350 |
| Keywords | 解析属性, js, json |

## Links

- npm: https://www.npmjs.com/package/parser-property
- Repository: https://github.com/llf137224350/parser-property
- Homepage: https://github.com/llf137224350/parser-property#readme
- Issues: https://github.com/llf137224350/parser-property/issues
- npm.io page: https://npm.io/package/parser-property

## Alternatives

- [@mapbox/jsonlint-lines-primitives](https://npm.io/package/@mapbox/jsonlint-lines-primitives.md) — 5.3M weekly downloads
- [reftools](https://npm.io/package/reftools.md) — 3.5M weekly downloads
- [@hey-api/openapi-ts](https://npm.io/package/@hey-api/openapi-ts.md) — 3.5M weekly downloads
- [@mapbox/geojson-rewind](https://npm.io/package/@mapbox/geojson-rewind.md) — 2.4M weekly downloads
- [turbo-stream](https://npm.io/package/turbo-stream.md) — 1.7M weekly downloads

## Recent versions

- 2.0.0 (latest) — 2022-04-08
- 1.0.5 — 2022-04-07
- 1.0.4 — 2022-04-07
- 1.0.3 — 2022-01-10
- 1.0.2 — 2022-01-09
- 1.0.1 — 2022-01-09
- 1.0.0 — 2022-01-09

## README

# 解析属性表达式

> 解析属性表达式从对象中读取属性

```javascript
const parserProperty = require("parser-property");
// 普通对象
const obj = {
  message: '操作成功',
  code: 0,
  obj1: {
    a: [
      {
        b: 'c',
        d: {
          e: [1]
        }
      }
    ]
  },
  data: [
    {
      fileType: 1,
      fileName: 'M00/01/27/oYYBAGHazNyAd74OAAAA-aHMoL0330.txt',
      fileGroup: 'g001',
      fileUrl: '/g001/M00/01/27/oYYBAGHazNyAd74OAAAA-aHMoL0330.txt',
      clientIp: '58.16.15.244',
      addTime: '2022-01-09 19:54:04'
    },
    {
      fileType: 1,
      fileName: 'M00/01/27/oYYBAGHazNyAd74OAAAA-aHMoL0330.txt',
      fileGroup: 'g001',
      fileUrl: '/g001/M00/01/27/oYYBAGHazNyAd74OAAAA-aHMoL0330.txt',
      clientIp: '58.16.15.245',
      addTime: '2022-01-09 19:54:04'
    }
  ]
};
console.log(parserProperty(obj, 'message')); // 操作成功
console.log(parserProperty(obj, '[message]')); // 操作成功
console.log(parserProperty(obj, '["message"]')); // 操作成功
console.log(parserProperty(obj, '[`message`]')); // 操作成功
console.log(parserProperty([123], '0', )); // 123
console.log(parserProperty([123], '[0]')); // 123
console.log(parserProperty([123], '["0"]')); // 123
console.log(parserProperty([123], '[`0`]')); // 123

console.log(parserProperty(obj, `data[0]`));
console.log(parserProperty(obj, `data[0].fileUrl`)); // /g001/M00/01/27/oYYBAGHazNyAd74OAAAA-aHMoL0330.txt
console.log(parserProperty(obj, 'data[`1`].clientIp')); // 58.16.15.245

console.log(parserProperty(obj, 'obj1.a')); // [ { b: 'c', d: { e: [Array] } } ]
console.log(parserProperty(obj, 'obj1.a[0].b')); // c
console.log(parserProperty(obj, 'obj1.a["0"].d.e[0]')); // 1
console.log(parserProperty(obj, 'obj1.a["0"].d.e[1]')); // undefined
console.log(parserProperty(obj, 'obj1.a["0"].d.e[`0`].c')); // undefined
// 复杂对象
const otherObj = {
  a: [0, [
    {
      b: {
        c: 2,
        d: [0, {
          e: {
            f: 'hello',
            'hello_world': 'hello_world'
          }
        }
        ]
      }
    }]]
};
console.log(parserProperty(otherObj, 'a[1][0].b.d[1].e["hello_world"]')); // hello_worrld
console.log(parserProperty(otherObj, 'a[1][`0`].b.d["1"].e["f"]')); // hello
console.log(parserProperty(otherObj, 'a[1][`0`].b.d["0"]')); // 0
```

---
_Source: https://npm.io/package/parser-property · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._