10 examples of 'node js async series example' in JavaScript

Every line of 'node js async series example' code snippets is scanned for vulnerabilities by our powerful machine learning engine that combs millions of open source libraries, ensuring your JavaScript code is secure.

All examples are scanned by Snyk Code

By copying the Snyk Code Snippets you agree to
this disclaimer
9function example() {
10 const err = erotic()
11 setTimeout(() => {
12 throw err('example error')
13 }, 10)
14}
Important

Use secure code every time

Secure your code as it's written. Use Snyk Code to scan source code in minutes – no build needed – and fix issues immediately. Enable Snyk Code

191Tapable.prototype.applyPluginsAsyncSeries = Tapable.prototype.applyPluginsAsync = function applyPluginsAsyncSeries(name) {
192 var args = Array.prototype.slice.call(arguments, 1);
193 var callback = args.pop();
194 var plugins = this._plugins[name];
195 if(!plugins || plugins.length === 0) return callback();
196 var i = 0;
197 var _this = this;
198 args.push(copyProperties(callback, function next(err) {
199 if(err) return callback(err);
200 i++;
201 if(i >= plugins.length) {
202 return callback();
203 }
204 plugins[i].apply(_this, args);
205 }));
206 plugins[0].apply(this, args);
207};
34return function asyncFunction() {
35 const args = Array.from(arguments);
36 return new Promise(function (resolve, reject) {
37 let gen;
38
39 function step(next) {
40 const value = next.value;
41 if (next.done) {
42 return resolve(value);
43 }
44 if (value instanceof Promise) {
45 return value.then(
46 result => step(gen.next(result)),
47 error => {
48 try {
49 step(gen.throw(error));
50 } catch (err) {
51 throw err;
52 }
53 }
54 ).catch((err) => {
55 warn("Unhandled error in async function.", err);
56 reject(err);
57 });
58 }
59 step(gen.next(value));
60 }
61
62 if (typeof func !== "function") {
63 reject(new TypeError("Expected a Function."));
64 }
65 // not a generator, wrap it.
66 if (func.constructor.name !== "GeneratorFunction") {
67 gen = (function*() {
68 return func.call(self, ...args);
69 }());
70 } else {
71 gen = func.call(self, ...args);
72 }
73 try {
74 step(gen.next());
75 } catch (err) {
76 warn("The generator threw immediately.", err);
77 reject(err);
78 }
79 });
80};
12function AsyncIterator(array, step, start, end){
13 this.array = array;
14 this.currentIndex = -1;
15 this.stepFn = step || EmptyFunction;
16 this.startFn = start || EmptyFunction;
17 this.endFn = end || EmptyFunction;
18}
68export function isAsync(val) {
69 return val?.[Symbol.toStringTag] === 'AsyncFunction'
70}
149exports.async = function asyncFunction(iter) {
150 return new Promise((resolve, reject) => {
151 resume('next', undefined);
152 function resume(type, value) {
153 try {
154 let result = iter[type](value);
155 if (result.done) {
156 resolve(result.value);
157 } else {
158 Promise.resolve(result.value).then(
159 x => resume('next', x),
160 x => resume('throw', x));
161 }
162 } catch (x) {
163 reject(x);
164 }
165 }
166 });
167};
96export function IsAsyncIterable<T>(value: AsyncIterable<T> | Other): value is AsyncIterable<T> {
97 return IsObject(value)
98 && Symbol.asyncIterator in value;
99}
588function asyncJS(js, fn) {
589 return new AsyncQueue(js, fn);
590}
50function webpackAsync(webpackConfig): Promise<any> {
51 return new Promise((resolve, reject) => {
52 const compiler = webpack(webpackConfig)
53 compiler.run((err, stats) => {
54 const statsJson = stats.toJson()
55 const { errors, warnings } = statsJson
56
57 if (err) {
58 log('Webpack compiler encountered a fatal error.')
59 reject(new PluginError('webpack', err.toString()))
60 }
61 if (errors.length > 0) {
62 log('Webpack compiler encountered errors.')
63 reject(new PluginError('webpack', errors.toString()))
64 }
65 if (warnings.length > 0) {
66 log('Webpack compiler encountered warnings.')
67 reject(new PluginError('webpack', warnings.toString()))
68 }
69
70 resolve(statsJson)
71 })
72 })
73}
155function maybeAddAsync(asyncValue, body) {
156 if (!asyncValue) {
157 return body
158 }
159
160 var xret = {
161 type: 'ReturnStatement',
162 argument: CallExpression(
163 Identifier('_$tg'),
164 [asyncValue, MemberExpression(Identifier('arguments'), Literal(0), true)]
165 )
166 }
167
168 return CallExpression(
169 MemberExpression(body, Identifier('then')),
170 [FunctionExpression(null, [], [xret])]
171 )
172}

Related snippets