mirror of
https://github.com/NaitLee/Cat-Printer.git
synced 2025-05-16 15:20:12 -07:00
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
|
|
/**
|
|
* Satisfy both development and old-old webView need
|
|
*/
|
|
(function() {
|
|
|
|
var fallbacks = [
|
|
// main scripts, which we will directly modify
|
|
'i18n-ext.js', 'i18n.js', 'image.js', 'accessibility.js', 'main.js',
|
|
// "compatibility" script, produced with eg. typescript tsc
|
|
'main.comp.js'
|
|
];
|
|
var trial_count = 0;
|
|
/**
|
|
* Try to load next "fallback" script,
|
|
* until we see the "main" variable (ie. success)
|
|
* fail if nothing is left to load.
|
|
* This is recursive. Just call once.
|
|
*/
|
|
function try_load() {
|
|
var script = document.createElement('script');
|
|
script.addEventListener('load', function() {
|
|
if (typeof main === 'undefined') {
|
|
script.remove();
|
|
try_load();
|
|
} else {
|
|
console.log('Success');
|
|
}
|
|
});
|
|
var path = fallbacks[trial_count++];
|
|
if (!path) throw new Error('All fallback scripts were tried');
|
|
script.src = path;
|
|
console.log('Trying script: ' + path);
|
|
document.body.appendChild(script);
|
|
}
|
|
|
|
try_load();
|
|
|
|
})(); |