parent
01b0c43f0d
commit
3bc6e3d777
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@ -143,6 +143,7 @@
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"NotificationEvent",
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"OffscreenCanvas",
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"PointerEvent",
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"Response",
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"URL",
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"WebSocket",
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"__assets__",
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@ -13,6 +13,8 @@ const timestamp = process.env.SAPPER_TIMESTAMP
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const ASSETS = `assets_${timestamp}`
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const WEBPACK_ASSETS = `webpack_assets_${timestamp}`
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const isSafari = /Safari/.test(navigator.userAgent) && !/Chrom/.test(navigator.userAgent)
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// `static` is an array of everything in the `static` directory
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const assets = __assets__
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.map(file => file.startsWith('/') ? file : `/${file}`)
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@ -78,19 +80,15 @@ self.addEventListener('activate', event => {
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})())
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})
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// from https://stackoverflow.com/questions/54138601/cant-access-arraybuffer-on-rangerequest/54207122
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const returnRangeRequest = request =>
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fetch(request, { headers: {}, mode: 'cors', credentials: 'omit' })
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.then(res => {
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return res.arrayBuffer()
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})
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.then(arrayBuffer => {
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async function returnRangeRequest (request) {
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const response = await fetch(request, { headers: {}, mode: 'cors', credentials: 'omit' })
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const arrayBuffer = await response.arrayBuffer()
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const bytes = /^bytes=(\d+)-(\d+)?$/g.exec(request.headers.get('range'))
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if (bytes) {
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const start = Number(bytes[1])
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const end = Number(bytes[2]) || arrayBuffer.byteLength - 1
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const start = parseInt(bytes[1], 10)
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const end = parseInt(bytes[2], 10) || arrayBuffer.byteLength - 1
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return new self.Response(arrayBuffer.slice(start, end + 1), {
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return new Response(arrayBuffer.slice(start, end + 1), {
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status: 206,
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statusText: 'Partial Content',
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headers: [
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@ -98,13 +96,13 @@ const returnRangeRequest = request =>
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]
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})
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} else {
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return new self.Response(null, {
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return new Response(null, {
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status: 416,
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statusText: 'Range Not Satisfiable',
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headers: [['Content-Range', `*/${arrayBuffer.byteLength}`]]
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})
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}
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})
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}
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self.addEventListener('fetch', event => {
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const req = event.request
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@ -150,7 +148,8 @@ self.addEventListener('fetch', event => {
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// range request need to be be patched with a 206 response to satisfy
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// Safari (https://stackoverflow.com/questions/52087208)
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if (event.request.headers.get('range')) {
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// Once this bug is fixed in WebKit we can remove this https://bugs.webkit.org/show_bug.cgi?id=186050
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if (isSafari && event.request.headers.get('range')) {
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return returnRangeRequest(req)
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}
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