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https://github.com/shinima/temme

📄 Concise selector to extract JSON from HTML.
https://github.com/shinima/temme

css-selector data-transformation html json temme-selector

Last synced: 3 months ago
JSON representation

📄 Concise selector to extract JSON from HTML.

Host: GitHub
URL: https://github.com/shinima/temme
Owner: feichao93
License: mit
Created: 2017-06-14T16:58:10.000Z (over 7 years ago)
Default Branch: master
Last Pushed: 2024-07-06T01:31:14.000Z (4 months ago)
Last Synced: 2024-08-09T17:30:30.635Z (3 months ago)
Topics: css-selector, data-transformation, html, json, temme-selector
Language: TypeScript
Homepage: https://temme.js.org
Size: 8.46 MB
Stars: 273
Watchers: 8
Forks: 13
Open Issues: 3
Metadata Files:
- Readme: readme-en.md
- Changelog: CHANGELOG.md
- License: LICENSE

Awesome Lists containing this project

README

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# temme

Temme is a concise and convenient selector to extract JSON from HTML documents.

## Links

👉 [documentation](#documentation)

👉 [playground](https://temme.js.org)

👉 [VSCode extension](https://marketplace.visualstudio.com/items?itemName=shinima.vscode-temme)

👉 [BUG report](https://github.com/shinima/temme/issues)

## Examples

```html



  

    apple

  

  

    pear

  

  

    grape

  



```

We could the following temme selector to extract _an array of fruit color and name_ against the above html. （[Online Version](https://temme.js.org/?example=basic-array-capture)）

```javascript

import temme from 'temme'

// Note the `.default` if you are using commonjs

// const temme = require('temme').default

const selector = `li@fruits {

  span[data-color=$color]{$name};

}`

temme(html, selector)

//=>

// {

//   "fruits": [

//     { "color": "red", "name": "apple" },

//     { "color": "white", "name": "pear"  },

//     { "color": "purple", "name": "grape" }

//   ]

// }

```

If you are not familiar with temme, you could start with this [stackoverflow example](/examples/stackoverflow/readme.md). There are some short examples in the online playground. [This example](https://temme.js.org?example=github-commits) extracts commits information from GitHub commits page, including time, author, commit message and links. [This example](https://temme.js.org?example=github-issues) extract issues information from GitHub issues page, including title, assignee and number of comments.

## Documentation

- [01-introduction](/docs/en/01-introduction.md)

- [02-value-capture](/docs/en/02-value-capture.md)

- [03-array-capture](/docs/en/03-array-capture.md)

- [04-multiple-selector](/docs/en/04-multiple-selector.md)

- [05-assignments](/docs/en/05-assignments.md)

- [06-javascript](/docs/en/06-javascript.md)

- [07-filters](/docs/en/07-filters.md)

- [08-modifiers](/docs/en/08-modifiers.md)

- [09-procedures](/docs/en/09-procedures.md)

- [10-snippets](/docs/en/10-snippets.md)

## Upgrade from 0.7 to 0.8

0.8 introduces some breaking changes, mainly for introducing the _modifier_ feature, and replacing _content_ to _procedure_. And, class `CaptureResult` gets a lot of simplification, please see the documentation of [CaptureResult](/docs/zh-cn/08-modifiers.md#类-captureresult).

If you still need the old version documentation, you can find it [here](https://github.com/shinima/temme/blob/v0.7.0/readme.md).

### 1. content/procedure supports only single part

content/procedure does not supports multiple parts any more. You need to write the selector multiple times:

```javascript

const prev = `div{ $text; find('foo', $bar); }`

const current = `

  div{ $text };

  div{ find('foo', $bar) };

`

```

#### 2. special filters are removed

In _procedure_, temme does not provide the special filters. But temme providers some built-in procedure to do the similiar task:

```javascript

const prev = `

  div{ $t|text };

  div{ $h|html };

  div{ $n|node };

  div{ $o|outerHTML };

`

const current = `

  div{ text($t) };

  div{ html($h) };

  div{ node($n) };

  // 暂无 outerHTML procedure

`

```

Note: because `outerHTML` API itself is [kind of special](https://github.com/cheeriojs/cheerio/issues/54), temme does not provide the outerHTML procedure for now. If you need this, please use JavaScript API manually.

### 3. filter nth is removed

Please use filter `get` instead.