FinalNewline::filter()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 6
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 4
c 1
b 0
f 0
nc 2
nop 3
dl 0
loc 6
rs 10
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<?php
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/**
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 * laravel-assets: asset management for Laravel 5
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 *
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 * Copyright (c) 2021 Greg Roach
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <https://www.gnu.org/licenses/>.
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 */
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namespace Fisharebest\LaravelAssets\Filters;
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use Fisharebest\LaravelAssets\Assets;
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use Fisharebest\LaravelAssets\SetStateTrait;
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class FinalNewline implements FilterInterface
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{
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    use SetStateTrait;
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    /**
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     * Force files to have a trailing end-of-line character.
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     *
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     * "x=3" is valid javascript. "y=4" is valid javascript.  But concatentaing these
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     * gives "x=3y=4" which is invalid.  Therefore we must make sure that all JS files
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     * end with an end-of-line.
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     *
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     * @param string $data      The data to be filtered
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     * @param string $asset_url The original URL for this data
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     * @param Assets $assets    The asset manager object, for access to its config settings and utilities
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     *
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     * @return string
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     */
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    public function filter($data, $asset_url, $assets)
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    {
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        if (substr($data, -1) === "\n") {
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            return $data;
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        } else {
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            return $data . "\n";
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        }
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    }
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}
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