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େྔԘجྻొਃγεςϜ͕
Ͱ͖Δ·Ͱ
,FJUB6SBTIJNB !VSTN
0DU
,BJHJPO3BJMT
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w ࠃཱҨֶݚڀॴੜ໋ใɾ%%#+ηϯλʔ͕
w ԘجྻʢੜͷҨใʣΛσʔλϕʔεԽͯ͠ެ։͢ΔͨΊʹ
w όΠΦݚڀऀ͔ΒԘجྻͷొਃΛड͚͚ΔࡍʹΘΕΔγε
ςϜ
w (PPHMFϑΥʔϜʹϑΝΠϧΞοϓϩʔυػೳ͕͍ͨΑ͏ͳΠϝʔδ
w ͨͩ͠ѻ͏ϑΝΠϧ͕େ͖͍
ຊͷ͓େྔԘجྻొਃγεςϜ
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ݱঢ়ͱΰʔϧ
ԘجྻͷొਃΛड͚͚Δͱ͖ɺݱঢ়Ͱ
w (PPHMFϑΥʔϜͰҰใΛೖΕͯΒ͏
w ϝʔϧͰΓऔΓΛͯ͠ඞཁͳใΛώΞϦϯά͢Δ
w TDQͰϑΝΠϧΛసૹͯ͠Β͏
ͷΑ͏ͳखॱͰߦΘΕ͍ͯͯɺͱͯखֻ͕͔ؒΔͷͰվળ͍ͨ͠
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μΠϨΫτΞοϓϩʔυ "DUJWF4UPSBHF
w ϒϥβ͔ΒετϨʔδαʔϏεʹϑΝΠϧΛΞοϓϩʔυͤ͞Δ
w ΞϓϦέʔγϣϯʹ࣮ϑΝΠϧͷΘΓʹϑΝΠϧΛࣝผ͢ΔΩʔ͕ͬͯ
͘Δ
w ඞཁͰ͋Ε͜ͷΩʔΛͬͯݩͷϑΝΠϧΛऔಘͰ͖Δ
w ΞοϓϩʔυͷϋϯυϦϯάΛετϨʔδαʔϏεʹؙ͛Ͱ͖Δ
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Ξοϓϩʔυ͚ͩͰͳ͔ͬͨ
w Ξοϓϩʔυ͞ΕͨϑΝΠϧͷதΛಡΈग़ͯ͠ϑΥʔϜͷ߲ΛҰ෦ࣗಈͰ
ຒΊ͍ͨ
w ϑΝΠϧ͕େ͖͍ͱۃΊ͍ͯ͠
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4USFBNT"1*
w ϒϥβ্ͰσʔλΛࡉΕʹಡΈॻ͖͢ΔΠϯλʔϑΣʔεΛఏڙ͢Δ
w ରϑΝΠϧωοτϫʔΫϦΫΤετϨεϙϯεͳͲ
w ϝϞϦരൃͷ৺ͳ͘େ͖ͳσʔλΛѻ͑Δ
const res = await fetch('https://example.com');
res.body // これが ReadableStream
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document.querySelector('input')
.addEventListener('change', async (e) => {
const file = e.target.files[0];
const reader = file.stream().getReader();
for (;;) {
const {done, value} = await reader.read();
if (done) { break; }
console.log(value);
}
});
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No content
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>NIES3753_TRINITY_DN0_c0_g1_i1_len285
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCTCTTCATCAAACTCCTGCGCTGCCACT
GCAGCCAAACACACAGCTGACACAGCACCAAAATAACCCCACGCCCTGCAGCTACAG
//
>NIES3753_TRINITY_DN1_c3_g1_i1_len267
CCTCAACGGGAGCAGCTGATCAAACTACAGAACTCCACACGCCCCATGGCACCACTT
GTGACGGGACGGGCCTGGAGGTGGATTCATATCAGCCCCACCACTCCAAGCATGCTG
//
>NIES3753_TRINITY_DN1_c4_g1_i1_len257
GTCCATACTGGTCCTAGCAGGTCCCAGAATCTACCTCTTGCTTGCACCATATGCACT
TTCTGCATGCCTGGCCACAGTCTGGCTTGAGCCATTGGATGTGCCAGTTAACAGTAT
//
>NIES3753_TRINITY_DN1_c2_g1_i1_len229
CCCCCCCCCCCCCCCCCCCTCTCCTGCTGCATCTGTGGGGACATGCCCATCTGAGAG
GCAGCCCAGCACTCATTGCAGATCGCAAGACCACTCGCCTCAACTCCCTTCACCCCA
//
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const LF = '\n'.codePointAt(0);
const CR = '\r'.codePointAt(0);
const GT = '>'.codePointAt(0);
async function parse(file) {
const reader = file.stream().getReader();
let done, value;
let entriesCount = 0;
let isBOL = true;
while (({done, value} = await reader.read()), !done) {
for (const byte of value) {
if (isBOL && byte === GT) {
entriesCount++;
isBOL = false;
} else {
isBOL = byte === LF || byte === CR;
}
}
}
return {entriesCount};
}
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ύʔεதʹϒϥβ͕ݻ·Δ
w େ͖ͳϑΝΠϧΛύʔε͢Δͱλϒͷඳը͕ࢭ·ͬͯૢ࡞ʹԠ͠ͳ͍ঢ়ଶ
ʹͳͬͯ͠·͏
w ύʔε͕ऴΘΔͱݩʹΔ
w +BWB4DSJQUγϯάϧεϨουͳͷͰ$16ͳίʔυଞͷͯ͢ΛࢭΊ
ͯ͠·͏Մೳੑ͕͋Δ
w ҰൠతʹTFU5JNFPVUͳͲͰଞͷॲཧׂ͕ΓࠐΉ༨Λ࡞ͬͯରԠ͢Δ
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8FC8PSLFST
w ϝΠϯεϨουͱશʹಠཱͨ͠ผεϨουͰॲཧΛ࣮ߦ͢ΔΈ
w ϫʔΧϝΠϯεϨουͷඳըૢ࡞Λ͛ͳ͍
w ϫʔΧฒྻʹಈ࡞͢ΔͨΊϚϧνίΞΛ׆༻Ͱ͖Δ
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const worker = new Worker('./worker.js');
worker.addEventListener('message', e => {
console.log(e.data);
});
worker.postMessage('hello, world');
addEventListener('message', e => {
postMessage(e.data.toUpperCase());
});
NBJOKT
XPSLFSKT
ᶃ
ᶄ
ᶅ
ᶆ
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addEventListener('message', async ({data: {file}}) => {
try {
const payload = await parse(file);
postMessage([null, payload]);
} catch (err) {
postMessage([err, null]);
}
});
async function parse(file) {
const reader = file.stream().getReader();
// ...
return {entriesCount};
}
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ϋογϡͷܭࢉ͕͍
w "DUJWF4UPSBHFμΠϨΫτΞοϓϩʔυͷͱ͖ϑΝΠϧͱҰॹʹϋογϡ
ΛૹΔ
w େ͖ͳϑΝΠϧͩͱϋογϡͷܭࢉʹֻ͕͔࣌ؒΔ
w "DUJWF4UPSBHFTQBSLNEͱ͍͏ϥΠϒϥϦΛͬͯϋογϡΛٻΊ
͍ͯΔ
w TQBSLNEಉछͷϥΠϒϥϦͷதͰτοϓϨϕϧʹ͍
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8FC"TTFNCMZ
w ओʹϒϥβͰ࣮ߦ͢ΔͨΊͷԾతͳػցޠ
w +BWB4DSJQUͰ౸ୡͰ͖ͳ͍ωΠςΟϒίʔυʹ͍ۙੑೳ͕ಘΒΕΔ
w 8FC"TTFNCMZʹΑΔϋογϡؔͷ࣮IBTIXBTN
w TQBSLNEͱൺֱͯ͠ഒҎ্ͷվળ
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github.com/ddbj/submission-mss