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Diffstat (limited to 'node_modules/async/internal/asyncEachOfLimit.js')
-rw-r--r-- | node_modules/async/internal/asyncEachOfLimit.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/node_modules/async/internal/asyncEachOfLimit.js b/node_modules/async/internal/asyncEachOfLimit.js new file mode 100644 index 0000000..bba74c7 --- /dev/null +++ b/node_modules/async/internal/asyncEachOfLimit.js @@ -0,0 +1,75 @@ +'use strict'; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = asyncEachOfLimit; + +var _breakLoop = require('./breakLoop.js'); + +var _breakLoop2 = _interopRequireDefault(_breakLoop); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +// for async generators +function asyncEachOfLimit(generator, limit, iteratee, callback) { + let done = false; + let canceled = false; + let awaiting = false; + let running = 0; + let idx = 0; + + function replenish() { + //console.log('replenish') + if (running >= limit || awaiting || done) return; + //console.log('replenish awaiting') + awaiting = true; + generator.next().then(({ value, done: iterDone }) => { + //console.log('got value', value) + if (canceled || done) return; + awaiting = false; + if (iterDone) { + done = true; + if (running <= 0) { + //console.log('done nextCb') + callback(null); + } + return; + } + running++; + iteratee(value, idx, iterateeCallback); + idx++; + replenish(); + }).catch(handleError); + } + + function iterateeCallback(err, result) { + //console.log('iterateeCallback') + running -= 1; + if (canceled) return; + if (err) return handleError(err); + + if (err === false) { + done = true; + canceled = true; + return; + } + + if (result === _breakLoop2.default || done && running <= 0) { + done = true; + //console.log('done iterCb') + return callback(null); + } + replenish(); + } + + function handleError(err) { + if (canceled) return; + awaiting = false; + done = true; + callback(err); + } + + replenish(); +} +module.exports = exports['default'];
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