mirror of
https://github.com/mdn/webextensions-examples.git
synced 2026-04-22 09:12:58 +02:00
Luca Greco
17 lines
559 B
JavaScript
17 lines
559 B
JavaScript
"use strict";
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browser.storage.local.get("super-important-user-setting")
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.then(results => {
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// If the old preferences data has not been imported yet...
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if (!results["super-important-user-setting"]) {
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// Ask to the legacy part to dump the needed data and send it back
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// to the background page...
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browser.runtime.sendMessage("import-legacy-data").then(reply => {
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if (reply) {
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// Where it can be saved using the WebExtensions storage API.
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browser.storage.local.set(reply);
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}
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});
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}
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});
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