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This software is dual-licensed under the ISC and MIT licenses. | ||
You may use this software under EITHER of the following licenses. | ||
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---------- | ||
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The ISC License | ||
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Copyright (c) Isaac Z. Schlueter and Contributors | ||
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Permission to use, copy, modify, and/or distribute this software for any | ||
purpose with or without fee is hereby granted, provided that the above | ||
copyright notice and this permission notice appear in all copies. | ||
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | ||
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
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---------- | ||
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Copyright Isaac Z. Schlueter and Contributors | ||
All rights reserved. | ||
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Permission is hereby granted, free of charge, to any person | ||
obtaining a copy of this software and associated documentation | ||
files (the "Software"), to deal in the Software without | ||
restriction, including without limitation the rights to use, | ||
copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the | ||
Software is furnished to do so, subject to the following | ||
conditions: | ||
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The above copyright notice and this permission notice shall be | ||
included in all copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | ||
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | ||
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | ||
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||
OTHER DEALINGS IN THE SOFTWARE. |
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module.exports = abbrev | ||
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function abbrev (...args) { | ||
let list = args.length === 1 || Array.isArray(args[0]) ? args[0] : args | ||
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for (let i = 0, l = list.length; i < l; i++) { | ||
list[i] = typeof list[i] === 'string' ? list[i] : String(list[i]) | ||
} | ||
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// sort them lexicographically, so that they're next to their nearest kin | ||
list = list.sort(lexSort) | ||
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// walk through each, seeing how much it has in common with the next and previous | ||
const abbrevs = {} | ||
let prev = '' | ||
for (let ii = 0, ll = list.length; ii < ll; ii++) { | ||
const current = list[ii] | ||
const next = list[ii + 1] || '' | ||
let nextMatches = true | ||
let prevMatches = true | ||
if (current === next) { | ||
continue | ||
} | ||
let j = 0 | ||
const cl = current.length | ||
for (; j < cl; j++) { | ||
const curChar = current.charAt(j) | ||
nextMatches = nextMatches && curChar === next.charAt(j) | ||
prevMatches = prevMatches && curChar === prev.charAt(j) | ||
if (!nextMatches && !prevMatches) { | ||
j++ | ||
break | ||
} | ||
} | ||
prev = current | ||
if (j === cl) { | ||
abbrevs[current] = current | ||
continue | ||
} | ||
for (let a = current.slice(0, j); j <= cl; j++) { | ||
abbrevs[a] = current | ||
a += current.charAt(j) | ||
} | ||
} | ||
return abbrevs | ||
} | ||
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function lexSort (a, b) { | ||
return a === b ? 0 : a > b ? 1 : -1 | ||
} |
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{ | ||
"name": "abbrev", | ||
"version": "2.0.0", | ||
"description": "Like ruby's abbrev module, but in js", | ||
"author": "GitHub Inc.", | ||
"main": "lib/index.js", | ||
"scripts": { | ||
"test": "tap", | ||
"lint": "eslint \"**/*.js\"", | ||
"postlint": "template-oss-check", | ||
"template-oss-apply": "template-oss-apply --force", | ||
"lintfix": "npm run lint -- --fix", | ||
"snap": "tap", | ||
"posttest": "npm run lint" | ||
}, | ||
"repository": { | ||
"type": "git", | ||
"url": "https://github.com/npm/abbrev-js.git" | ||
}, | ||
"license": "ISC", | ||
"devDependencies": { | ||
"@npmcli/eslint-config": "^4.0.0", | ||
"@npmcli/template-oss": "4.8.0", | ||
"tap": "^16.3.0" | ||
}, | ||
"tap": { | ||
"nyc-arg": [ | ||
"--exclude", | ||
"tap-snapshots/**" | ||
] | ||
}, | ||
"files": [ | ||
"bin/", | ||
"lib/" | ||
], | ||
"engines": { | ||
"node": "^14.17.0 || ^16.13.0 || >=18.0.0" | ||
}, | ||
"templateOSS": { | ||
"//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.", | ||
"version": "4.8.0" | ||
} | ||
} |
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