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levenshtein-edit-distance

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levenshtein-edit-distance - npm Package Compare versions

Comparing version 0.1.3 to 0.1.4

63

cli.js

@@ -8,9 +8,17 @@ #!/usr/bin/env node

var levenshteinEditDistance,
var levenshtein,
pack;
levenshteinEditDistance = require('./');
levenshtein = require('./');
pack = require('./package.json');
/*
* Detect if a value is expected to be piped in.
*/
var expextPipeIn;
expextPipeIn = !process.stdin.isTTY;
/*
* Arguments.

@@ -32,3 +40,15 @@ */

/**
* Get the distance for words.
*
* @param {Array.<string>} values
* @return {number}
*/
function distance(values) {
return levenshtein(values[0], values[1]);
}
/**
* Help.
*
* @return {string}
*/

@@ -38,3 +58,3 @@ function help() {

'',
'Usage: ' + command + ' [options] words...',
'Usage: ' + command + ' [options] word word',
'',

@@ -50,9 +70,10 @@ pack.description,

'',
'# output distance between values',
'# output distance',
'$ ' + command + ' sitting kitten',
'# 3',
'# ' + distance(['sitting', 'kitten']),
'',
'# output distance between values from stdin',
'# output distance from stdin',
'$ echo "saturday,sunday" | ' + command,
'# 3'
'# ' + distance(['saturday', 'sunday']),
''
].join('\n ') + '\n';

@@ -62,9 +83,15 @@ }

/**
* Get the levenshtein distance of an array of strings.
* Get the edit distance for a list containing two word.
*
* @param {Array.<string>} values
* @param {string?} value
*/
function getDistance(values) {
if (values.length === 2) {
console.log(levenshteinEditDistance(values[0], values[1]));
function getDistance(value) {
var values;
if (value) {
values = value.split(',').join(' ').split(/\s+/);
}
if (values && values.length === 2) {
console.log(distance(values));
} else {

@@ -90,8 +117,6 @@ process.stderr.write(help());

console.log(pack.version);
} else if (argv[0]) {
if (argv[0].indexOf(',') !== -1) {
argv = argv[0].split(',');
}
getDistance(argv);
} else if (argv.length) {
getDistance(argv.join(' '));
} else if (!expextPipeIn) {
getDistance();
} else {

@@ -101,4 +126,4 @@ process.stdin.resume();

process.stdin.on('data', function (data) {
getDistance(data.trim().split(/ |,/g));
getDistance(data.trim());
});
}
{
"name": "levenshtein-edit-distance",
"version": "0.1.3",
"version": "0.1.4",
"description": "Levenshtein edit distance. No cruft. Real fast.",

@@ -23,6 +23,6 @@ "license": "MIT",

"devDependencies": {
"eslint": "^0.10.0",
"eslint": "^0.11.0",
"istanbul": "^0.3.0",
"jscs": "^1.0.0",
"jscs-jsdoc": "^0.3.0",
"jscs-jsdoc": "^0.4.0",
"matcha": "^0.6.0",

@@ -32,17 +32,18 @@ "mocha": "^2.0.0"

"scripts": {
"test": "node_modules/.bin/_mocha --reporter spec --check-leaks -u exports test.js",
"test-api": "_mocha --check-leaks test.js",
"test-cli": "bash ./test.sh",
"test-coveralls": "node_modules/.bin/istanbul cover node_modules/.bin/_mocha --report lcovonly -- --reporter spec --check-leaks -u exports test.js",
"test-travis": "npm run test-cli && npm run test-coveralls",
"coverage": "node_modules/.bin/istanbul cover node_modules/.bin/_mocha -- -- test.js",
"lint-api": "node_modules/.bin/eslint index.js --rule 'no-cond-assign: false, strict: false'",
"lint-benchmark": "node_modules/.bin/eslint benchmark.js --global suite,set,bench",
"lint-cli": "node_modules/.bin/eslint cli.js --rule 'no-process-exit: false'",
"lint-test": "node_modules/.bin/eslint test.js --env mocha",
"lint-style": "node_modules/.bin/jscs benchmark.js cli.js test.js --reporter=inline",
"test-coveralls": "istanbul cover _mocha --report lcovonly -- --check-leaks test.js",
"test-coverage": "istanbul cover _mocha -- --check-leaks test.js",
"test-travis": "npm run test-coveralls && npm run test-cli",
"test": "npm run test-api && npm run test-cli",
"lint-api": "eslint --rule no-cond-assign:false,strict:false index.js",
"lint-benchmark": "eslint --global suite,set,bench benchmark.js",
"lint-cli": "eslint --rule no-process-exit:false cli.js",
"lint-test": "eslint --env mocha test.js",
"lint-style": "jscs --reporter inline benchmark.js cli.js test.js",
"lint": "npm run lint-api && npm run lint-benchmark && npm run lint-cli && npm run lint-test && npm run lint-style",
"make": "npm run lint && npm run coverage",
"make": "npm run lint && npm run test-coverage",
"install-benchmark": "npm install natural fast-levenshtein levenshtein levenshtein-component levenshtein-deltas leven",
"benchmark": "node_modules/.bin/matcha benchmark.js"
"benchmark": "matcha benchmark.js"
}
}

@@ -7,3 +7,4 @@ # levenshtein-edit-distance [![Build Status](https://img.shields.io/travis/wooorm/levenshtein-edit-distance.svg?style=flat)](https://travis-ci.org/wooorm/levenshtein-edit-distance) [![Coverage Status](https://img.shields.io/coveralls/wooorm/levenshtein-edit-distance.svg?style=flat)](https://coveralls.io/r/wooorm/levenshtein-edit-distance?branch=master)

npm:
[npm](https://docs.npmjs.com/cli/install):
```bash

@@ -13,3 +14,4 @@ $ npm install levenshtein-edit-distance

Component:
[Component.js](https://github.com/componentjs/component):
```bash

@@ -19,3 +21,4 @@ $ component install wooorm/levenshtein-edit-distance

Bower:
[Bower](http://bower.io/#install-packages):
```bash

@@ -25,17 +28,23 @@ $ bower install levenshtein-edit-distance

[Duo](http://duojs.org/#getting-started):
```javascript
var levenshtein = require('wooorm/levenshtein-edit-distance');
```
## Usage
```js
var levenshteinDistance = require('levenshtein-edit-distance');
```javascript
var levenshtein = require('levenshtein-edit-distance');
levenshteinDistance('levenshtein', 'levenshtein'); // 0
levenshteinDistance('sitting', 'kitten'); // 3
levenshteinDistance('gumbo', 'gambol'); // 2
levenshteinDistance('saturday', 'sunday'); // 3
levenshtein('levenshtein', 'levenshtein'); // 0
levenshtein('sitting', 'kitten'); // 3
levenshtein('gumbo', 'gambol'); // 2
levenshtein('saturday', 'sunday'); // 3
/* Case sensitive! */
levenshteinDistance('DwAyNE', 'DUANE') !== levenshteinDistance('dwayne', 'DuAnE'); // true
levenshtein('DwAyNE', 'DUANE') !== levenshtein('dwayne', 'DuAnE'); // true
/* Order insensitive */
levenshteinDistance('aarrgh', 'aargh') === levenshteinDistance('aargh', 'aarrgh'); // true
levenshtein('aarrgh', 'aargh') === levenshtein('aargh', 'aarrgh'); // true
```

@@ -46,2 +55,3 @@

Install:
```bash

@@ -52,5 +62,6 @@ $ npm install --global levenshtein-edit-distance

Use:
```
Usage: levenshtein-edit-distance [options] words...
```text
Usage: levenshtein-edit-distance [options] word word
Levenshtein edit distance. No cruft. Real fast.

@@ -65,10 +76,11 @@

# output distance between values
# output distance
$ levenshtein-edit-distance sitting kitten
# 3
# output distance between values from stdin
# output distance from stdin
$ echo "saturday,sunday" | levenshtein-edit-distance
# 3
```
## Other Levenshtein libraries

@@ -87,3 +99,3 @@

```
```text
Levenshtein — to be fair, it lets you inspect a matrix

@@ -113,2 +125,2 @@ 113 op/s » op/s * 1,000

MIT © [Titus Wormer](http://wooorm.com)
[MIT](LICENSE) © [Titus Wormer](http://wooorm.com)

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