Convert Alfred Snippets to Espanso matches

convert-alfred-snippets-to-espanso.php

<?php
/**
 * Convert Alfred Snippets to Espanso matches 
 * 
 * @see https://www.alfredapp.com/help/features/snippets/
 * @see https://espanso.org/
 */

define('SNIPPETS_DIR', '/path/to/export/of/Alfred/snippets/');

$alfred_snippet_files = get_json_files_from_dir( SNIPPETS_DIR );

$alfred_snippets = [];
$espanso_yaml    = '';

foreach ( $alfred_snippet_files as $snippet_file )
    $alfred_snippets[] = json_decode( file_get_contents( $snippet_file ), JSON_OBJECT_AS_ARRAY )['alfredsnippet'];

foreach ( $alfred_snippets as $alfred_snippet ) {
    // remove any ":" triggers already existing in Alfred to prevent doubling
    $keyword = str_replace(':', '', $alfred_snippet['keyword']);

    // fix escaping
    $snippet = str_replace('\\',"\\\\", $snippet);
    $snippet = str_replace('"',"\"", $snippet);

    // no new line support in YAML, break down here
    $snippet = str_replace(["\r\n", "\r", "\n"], "\\n", $alfred_snippet['snippet']);
    
    // https://espanso.org/docs/matches/
    $snippet = str_replace('{cursor}', '$|$', $snippet);
    $snippet = str_replace('{clipboard}', '{{clipboard}}', $snippet);
    // @TODO there's probably more with date, but I didn't use any.

    $espanso_yaml .= "
  - trigger: \":{$keyword}\"
    replace: \"{$snippet}\"
    "; 
}

echo $espanso_yaml; // or just write this to ~/.config/espanso/default.yaml

function get_json_files_from_dir($dir, $list = []){
    $ffs = scandir($dir);
    foreach ( $ffs as $ff ){
        if ( $ff == '.' || $ff == '..' )
            continue;
        if( is_dir($dir.'/'.$ff) )
            $list = get_json_files_from_dir($dir.$ff, $list);
        if ( substr($ff, -4) == 'json' )
            $list[] = $dir.'/'.$ff;
    }
    return $list;
}