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https://github.com/Instadapp/Swap-Aggregator-Subgraph.git
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39 lines
778 B
JavaScript
39 lines
778 B
JavaScript
var pull = require('../pull')
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var count = require('../sources/count')
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var error = require('../sources/error')
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var map = require('../throughs/map')
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var test = require('tape')
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test('continuable stream', function (t) {
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t.plan(2)
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var continuable = function (read) {
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return function (cb) {
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read(null, function next (end, data) {
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if (end === true) return cb(null)
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if (end) return cb(end)
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read(end, next)
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})
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}
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}
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// With values:
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pull(
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count(5),
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map(function (item) {
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return item * 2
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}),
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continuable
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)(function (err) {
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t.false(err, 'no error')
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})
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// With error:
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pull(
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error(new Error('test error')),
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continuable
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)(function (err) {
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t.is(err.message, 'test error', 'error')
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})
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})
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