Adolfo Reyna
43 lines
1.8 KiB
JavaScript
43 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.autoSelectWriter = void 0;
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const web_fs_1 = require("./writers/web-fs");
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const with_resolvers_1 = require("./create/with-resolvers");
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const log_1 = require("./log");
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const buffer_1 = require("./writers/buffer");
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const autoSelectWriter = async (writer, logLevel) => {
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if (writer) {
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log_1.Log.verbose(logLevel, 'Using writer provided by user');
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return writer;
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}
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log_1.Log.verbose(logLevel, 'Determining best writer');
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const hasNavigator = typeof navigator !== 'undefined';
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if (!hasNavigator) {
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log_1.Log.verbose(logLevel, 'No navigator API detected, using buffer writer');
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return buffer_1.bufferWriter;
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}
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// Check if we're offline using the navigator API
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const isOffline = !navigator.onLine;
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if (isOffline) {
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log_1.Log.verbose(logLevel, 'Offline mode detected, using buffer writer');
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return buffer_1.bufferWriter;
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}
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try {
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const { promise: timeout, reject, resolve } = (0, with_resolvers_1.withResolvers)();
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const time = setTimeout(() => reject(new Error('WebFS check timeout')), 2000);
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const webFsSupported = await Promise.race([(0, web_fs_1.canUseWebFsWriter)(), timeout]);
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resolve();
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clearTimeout(time);
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if (webFsSupported) {
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log_1.Log.verbose(logLevel, 'Using WebFS writer because it is supported');
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return web_fs_1.webFsWriter;
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}
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}
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catch (err) {
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log_1.Log.verbose(logLevel, `WebFS check failed: ${err}. Falling back to buffer writer`);
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}
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log_1.Log.verbose(logLevel, 'Using buffer writer because WebFS writer is not supported or unavailable');
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return buffer_1.bufferWriter;
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};
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exports.autoSelectWriter = autoSelectWriter;
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