97 lines
2.5 KiB
JavaScript
97 lines
2.5 KiB
JavaScript
|
/**
|
||
|
|
* @license Apache-2.0
|
||
|
|
*
|
||
|
|
* Copyright (c) 2018 The Stdlib Authors.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
// MODULES //
|
||
|
|
|
||
|
|
var objectKeys = require( '@stdlib/utils/keys' );
|
||
|
|
var isCapitalized = require( '@stdlib/assert/is-capitalized' );
|
||
|
|
var uncapitalize = require( '@stdlib/string/uncapitalize' );
|
||
|
|
var capitalize = require( '@stdlib/string/capitalize' );
|
||
|
|
var tokenize = require( './../../tokenize' );
|
||
|
|
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
|
||
|
|
var CONTRACTIONS = require( './contractions.json' );
|
||
|
|
|
||
|
|
|
||
|
|
// VARIABLES //
|
||
|
|
|
||
|
|
var KEYS = objectKeys( CONTRACTIONS );
|
||
|
|
|
||
|
|
|
||
|
|
// MAIN //
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Expands all contractions to their formal equivalents.
|
||
|
|
*
|
||
|
|
* @param {string} str - string to convert
|
||
|
|
* @throws {TypeError} must provide a primitive string
|
||
|
|
* @returns {string} string with expanded contractions
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* var str = 'I won\'t be able to get y\'all out of this one.';
|
||
|
|
* var out = expandContractions( str );
|
||
|
|
* // returns 'I will not be able to get you all out of this one.'
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* var str = 'It oughtn\'t to be my fault, because, you know, I didn\'t know';
|
||
|
|
* var out = expandContractions( str );
|
||
|
|
* // returns 'It ought not to be my fault, because, you know, I did not know'
|
||
|
|
*/
|
||
|
|
function expandContractions( str ) {
|
||
|
|
var tokens;
|
||
|
|
var token;
|
||
|
|
var out;
|
||
|
|
var key;
|
||
|
|
var i;
|
||
|
|
var j;
|
||
|
|
|
||
|
|
if ( !isString( str ) ) {
|
||
|
|
throw new TypeError( 'invalid argument. Must provide a primitive string. Value: `'+str+'`.' );
|
||
|
|
}
|
||
|
|
out = '';
|
||
|
|
tokens = tokenize( str, true );
|
||
|
|
for ( i = 0; i < tokens.length; i++ ) {
|
||
|
|
token = tokens[ i ];
|
||
|
|
if ( isCapitalized( token ) ) {
|
||
|
|
for ( j = 0; j < KEYS.length; j++ ) {
|
||
|
|
key = KEYS[ j ];
|
||
|
|
if ( uncapitalize( token ) === key ) {
|
||
|
|
token = capitalize( CONTRACTIONS[ key ] );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
for ( j = 0; j < KEYS.length; j++ ) {
|
||
|
|
key = KEYS[ j ];
|
||
|
|
if ( token === key ) {
|
||
|
|
token = CONTRACTIONS[ key ];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
out += token;
|
||
|
|
}
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// EXPORTS //
|
||
|
|
|
||
|
|
module.exports = expandContractions;
|