117 lines
2.0 KiB
JavaScript
117 lines
2.0 KiB
JavaScript
|
#!/usr/bin/env node
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Dependencies.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var stemmer,
|
||
|
|
pack;
|
||
|
|
|
||
|
|
pack = require('./package.json');
|
||
|
|
stemmer = require('./');
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Detect if a value is expected to be piped in.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var expextPipeIn;
|
||
|
|
|
||
|
|
expextPipeIn = !process.stdin.isTTY;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Arguments.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var argv;
|
||
|
|
|
||
|
|
argv = process.argv.slice(2);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Command.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var command;
|
||
|
|
|
||
|
|
command = Object.keys(pack.bin)[0];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the distance for a word.
|
||
|
|
*
|
||
|
|
* @param {Array.<string>} values
|
||
|
|
* @return {string}
|
||
|
|
*/
|
||
|
|
function stems(values) {
|
||
|
|
return values.map(stemmer).join(' ');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Help.
|
||
|
|
*
|
||
|
|
* @return {string}
|
||
|
|
*/
|
||
|
|
function help() {
|
||
|
|
return [
|
||
|
|
'',
|
||
|
|
'Usage: ' + command + ' [options] <words...>',
|
||
|
|
'',
|
||
|
|
pack.description,
|
||
|
|
'',
|
||
|
|
'Options:',
|
||
|
|
'',
|
||
|
|
' -h, --help output usage information',
|
||
|
|
' -v, --version output version number',
|
||
|
|
'',
|
||
|
|
'Usage:',
|
||
|
|
'',
|
||
|
|
'# output stems',
|
||
|
|
'$ ' + command + ' considerations',
|
||
|
|
'# ' + stems(['considerations']),
|
||
|
|
'',
|
||
|
|
'# output stems from stdin',
|
||
|
|
'$ echo "detestable vileness" | ' + command,
|
||
|
|
'# ' + stems(['detestable', 'vileness']),
|
||
|
|
''
|
||
|
|
].join('\n ') + '\n';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the edit distance for a list containing one word.
|
||
|
|
*
|
||
|
|
* @param {Array.<string>} values
|
||
|
|
*/
|
||
|
|
function getStems(values) {
|
||
|
|
if (values.length) {
|
||
|
|
console.log(stems(values));
|
||
|
|
} else {
|
||
|
|
process.stderr.write(help());
|
||
|
|
process.exit(1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Program.
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (
|
||
|
|
argv.indexOf('--help') !== -1 ||
|
||
|
|
argv.indexOf('-h') !== -1
|
||
|
|
) {
|
||
|
|
console.log(help());
|
||
|
|
} else if (
|
||
|
|
argv.indexOf('--version') !== -1 ||
|
||
|
|
argv.indexOf('-v') !== -1
|
||
|
|
) {
|
||
|
|
console.log(pack.version);
|
||
|
|
} else if (argv.length) {
|
||
|
|
getStems(argv.join(' ').split(/\s+/g));
|
||
|
|
} else if (!expextPipeIn) {
|
||
|
|
getStems([]);
|
||
|
|
} else {
|
||
|
|
process.stdin.resume();
|
||
|
|
process.stdin.setEncoding('utf8');
|
||
|
|
process.stdin.on('data', function (data) {
|
||
|
|
getStems(data.trim().split(/\s+/g));
|
||
|
|
});
|
||
|
|
}
|