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flesch - npm Package Compare versions

Comparing version
2.0.0
to
2.0.1
+33
-20
index.js

@@ -1,33 +0,46 @@

var sentenceWeight = 1.015
var wordWeight = 84.6
var base = 206.835
/**
* @typedef {Object.<string, number>} FleschCounts
* @typedef Counts
* Counts from input document.
* @property {number} sentence
* Number of sentences.
* @property {number} word
* Number of words.
* @property {number} syllable
* Number of syllables.
*/
/**
* Given an object containing the number of words (`word`), the number of sentences (`sentence`), and the number of syllables (`syllable`) in a document, returns the reading ease associated with the document.
* @typedef {Counts} FleschCounts
* Deprecated: please use the `Counts` type instead.
*/
const sentenceWeight = 1.015
const wordWeight = 84.6
const base = 206.835
/**
* Given an object containing the number of words (`word`), the number of
* sentences (`sentence`), and the number of syllables (`syllable`) in a
* document, returns the reading ease associated with the document.
*
* Returned values are 120 (every sentence consisting of only two one-syllable words), or lower (including negative values).
* @param {Counts} counts
* Counts from input document.
* @returns {number}
* Result is `120` (every sentence consisting of only two one-syllable words)
* or lower (including negative values).
*
* The values have the following semantics:
* The values have the following semantics:
*
* | Score | Semantics |
* | :----------: | :-------------------------------------------------- |
* | 90.0 – 100.0 | Easily understood by an average 11-year-old student |
* | 60.0 – 70.0 | Easily understood by 13- to 15-year-old students |
* | 0.0 – 30.0 | Best understood by university graduates |
* | Score | Semantics |
* | :----------: | :-------------------------------------------------- |
* | 90.0 – 100.0 | Easily understood by an average 11-year-old student |
* | 60.0 – 70.0 | Easily understood by 13- to 15-year-old students |
* | 0.0 – 30.0 | Best understood by university graduates |
*
* Therefore we can use the following formula to approximate the average age a student would understand a document at, given score `score`:
* Therefore we can use the following formula to approximate the average age
* a student would understand a document at, given score `score`:
*
* ```js
* var age = 20 - Math.floor(score / 10)
* ```
*
* @param {FleschCounts} counts
* @returns {number}
* ```js
* const age = 20 - Math.floor(score / 10)
* ```
*/

@@ -34,0 +47,0 @@ export function flesch(counts) {

{
"name": "flesch",
"version": "2.0.0",
"version": "2.0.1",
"description": "Formula to detect the ease of reading a text according to Flesch Reading Ease (1975)",

@@ -30,20 +30,18 @@ "license": "MIT",

"devDependencies": {
"@types/tape": "^4.0.0",
"@types/node": "^18.0.0",
"c8": "^7.0.0",
"prettier": "^2.0.0",
"remark-cli": "^9.0.0",
"remark-preset-wooorm": "^8.0.0",
"rimraf": "^3.0.0",
"tape": "^5.0.0",
"remark-cli": "^11.0.0",
"remark-preset-wooorm": "^9.0.0",
"type-coverage": "^2.0.0",
"typescript": "^4.0.0",
"xo": "^0.38.0"
"xo": "^0.52.0"
},
"scripts": {
"prepack": "npm run build && npm run format",
"build": "rimraf \"*.d.ts\" && tsc && type-coverage",
"build": "tsc --build --clean && tsc --build && type-coverage",
"format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
"test-api": "node test.js",
"test-coverage": "c8 --check-coverage --branches 100 --functions 100 --lines 100 --statements 100 --reporter lcov node test.js",
"test": "npm run format && npm run test-coverage"
"test-api": "node --conditions development test.js",
"test-coverage": "c8 --check-coverage --100 --reporter lcov npm run test-api",
"test": "npm run build && npm run format && npm run test-coverage"
},

@@ -59,7 +57,3 @@ "prettier": {

"xo": {
"prettier": true,
"rules": {
"no-var": "off",
"prefer-arrow-callback": "off"
}
"prettier": true
},

@@ -66,0 +60,0 @@ "remarkConfig": {

+106
-21

@@ -11,11 +11,36 @@ # flesch

See [`syllable`][syllable] for detecting syllables.
## Contents
* [What is this?](#what-is-this)
* [When should I use this?](#when-should-i-use-this)
* [Install](#install)
* [Use](#use)
* [API](#api)
* [`flesch(counts)`](#fleschcounts)
* [Types](#types)
* [Compatibility](#compatibility)
* [Related](#related)
* [Contribute](#contribute)
* [Security](#security)
* [License](#license)
## What is this?
This package exposes an algorithm to detect ease of reading of English texts.
## When should I use this?
You’re probably dealing with natural language, and know you need this, if
you’re here!
This algorithm is based on syllables, whereas some others are not, which means
it’s tougher to get right and slower to calculate.
See [syllable][] for detecting syllables.
## Install
This package is ESM only: Node 12+ is needed to use it and it must be `import`ed
instead of `require`d.
This package is [ESM only][esm].
In Node.js (version 14.14+, 16.0+), install with [npm][]:
[npm][]:
```sh

@@ -25,2 +50,16 @@ npm install flesch

In Deno with [`esm.sh`][esmsh]:
```js
import {flesch} from 'https://esm.sh/flesch@2'
```
In browsers with [`esm.sh`][esmsh]:
```html
<script type="module">
import {flesch} from 'https://esm.sh/flesch@2?bundle'
</script>
```
## Use

@@ -32,7 +71,7 @@

// For “The cat sat on the mat” (1 sentence, 6 words, 6 syllables).
flesch({sentence: 1, word: 6, syllable: 6}) // => 116.14500...
flesch({sentence: 1, word: 6, syllable: 6}) // => 116.14500…
// For “The Australian platypus is seemingly a hybrid of mammal and reptilian
// creature.” (1 sentence, 12 words, 23 syllables).
flesch({sentence: 1, word: 12, syllable: 23}) // => 32.50499...
flesch({sentence: 1, word: 12, syllable: 23}) // => 32.50499…
```

@@ -42,3 +81,3 @@

This package exports the following identifiers: `flesch`.
This package exports the identifier `flesch`.
There is no default export.

@@ -48,9 +87,27 @@

Given an object containing the number of words (`word`), the number of sentences
(`sentence`), and the number of syllables (`syllable`) in a document, returns
the reading ease associated with the document.
Given an object containing the number of words (`word`), the number of
sentences (`sentence`), and the number of syllables (`syllable`) in a
document, returns the reading ease associated with the document.
Returned values are 120 (every sentence consisting of only two one-syllable
words), or lower (including negative values).
##### `counts`
Counts from input document.
###### `counts.sentence`
Number of sentences (`number`, required).
###### `counts.word`
Number of words (`number`, required).
###### `counts.syllable`
Number of syllables (`number`, required).
##### Returns
Result is `120` (every sentence consisting of only two one-syllable words) or
lower (including negative values).
The values have the following semantics:

@@ -68,22 +125,42 @@

```js
var age = 20 - Math.floor(score / 10)
const age = 20 - Math.floor(score / 10)
```
## Types
This package is fully typed with [TypeScript][].
It exports the additional type `Counts`.
## Compatibility
This package is at least compatible with all maintained versions of Node.js.
As of now, that is Node.js 14.14+ and 16.0+.
It also works in Deno and modern browsers.
## Related
* [`automated-readability`](https://github.com/words/automated-readability)
— Uses character count instead of error-prone syllable parser
— uses character count instead of error-prone syllable parser
* [`coleman-liau`](https://github.com/words/coleman-liau)
— Uses letter count instead of an error-prone syllable parser
— uses letter count instead of an error-prone syllable parser
* [`dale-chall-formula`](https://github.com/words/dale-chall-formula)
— Uses a dictionary, suited for higher reading levels
— uses a dictionary, suited for higher reading levels
* [`flesch-kincaid`](https://github.com/words/flesch-kincaid)
— Like `flesch`, returns U.S. grade levels
— like `flesch`, returns U.S. grade levels
* [`gunning-fog`](https://github.com/words/gunning-fog)
— Uses syllable count, needs POS-tagging and NER
— uses syllable count, needs POS-tagging and NER
* [`smog-formula`](https://github.com/words/smog-formula)
— Like `gunning-fog-index`, without needing advanced NLP
— like `gunning-fog-index`, without needing advanced NLP
* [`spache-formula`](https://github.com/words/spache-formula)
— Uses a dictionary, suited for lower reading levels
— uses a dictionary, suited for lower reading levels
## Contribute
Yes please!
See [How to Contribute to Open Source][contribute].
## Security
This package is safe.
## License

@@ -113,2 +190,10 @@

[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
[esmsh]: https://esm.sh
[typescript]: https://www.typescriptlang.org
[contribute]: https://opensource.guide/how-to-contribute/
[license]: license

@@ -115,0 +200,0 @@