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Prevent contentScripts.register
from throwing
Related issue: https://github.com/uBlockOrigin/uBlock-issues/issues/2915
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@ -78,6 +78,7 @@ const contentScriptRegisterer = new (class {
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}
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register(hostname, code) {
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if ( browser.contentScripts === undefined ) { return false; }
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if ( hostname === '' ) { return false; }
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const details = this.hostnameToDetails.get(hostname);
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if ( details !== undefined ) {
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if ( code === details.code ) {
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@ -94,6 +95,8 @@ const contentScriptRegisterer = new (class {
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runAt: 'document_start',
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}).then(handle => {
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this.hostnameToDetails.set(hostname, { handle, code });
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}).catch(( ) => {
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this.hostnameToDetails.delete(hostname);
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});
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this.hostnameToDetails.set(hostname, { handle: promise, code });
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return false;
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