diff options
Diffstat (limited to 'node_modules/retry/lib/retry.js')
-rw-r--r-- | node_modules/retry/lib/retry.js | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/node_modules/retry/lib/retry.js b/node_modules/retry/lib/retry.js deleted file mode 100644 index dcb576807..000000000 --- a/node_modules/retry/lib/retry.js +++ /dev/null @@ -1,100 +0,0 @@ -var RetryOperation = require('./retry_operation'); - -exports.operation = function(options) { - var timeouts = exports.timeouts(options); - return new RetryOperation(timeouts, { - forever: options && options.forever, - unref: options && options.unref, - maxRetryTime: options && options.maxRetryTime - }); -}; - -exports.timeouts = function(options) { - if (options instanceof Array) { - return [].concat(options); - } - - var opts = { - retries: 10, - factor: 2, - minTimeout: 1 * 1000, - maxTimeout: Infinity, - randomize: false - }; - for (var key in options) { - opts[key] = options[key]; - } - - if (opts.minTimeout > opts.maxTimeout) { - throw new Error('minTimeout is greater than maxTimeout'); - } - - var timeouts = []; - for (var i = 0; i < opts.retries; i++) { - timeouts.push(this.createTimeout(i, opts)); - } - - if (options && options.forever && !timeouts.length) { - timeouts.push(this.createTimeout(i, opts)); - } - - // sort the array numerically ascending - timeouts.sort(function(a,b) { - return a - b; - }); - - return timeouts; -}; - -exports.createTimeout = function(attempt, opts) { - var random = (opts.randomize) - ? (Math.random() + 1) - : 1; - - var timeout = Math.round(random * opts.minTimeout * Math.pow(opts.factor, attempt)); - timeout = Math.min(timeout, opts.maxTimeout); - - return timeout; -}; - -exports.wrap = function(obj, options, methods) { - if (options instanceof Array) { - methods = options; - options = null; - } - - if (!methods) { - methods = []; - for (var key in obj) { - if (typeof obj[key] === 'function') { - methods.push(key); - } - } - } - - for (var i = 0; i < methods.length; i++) { - var method = methods[i]; - var original = obj[method]; - - obj[method] = function retryWrapper(original) { - var op = exports.operation(options); - var args = Array.prototype.slice.call(arguments, 1); - var callback = args.pop(); - - args.push(function(err) { - if (op.retry(err)) { - return; - } - if (err) { - arguments[0] = op.mainError(); - } - callback.apply(this, arguments); - }); - - op.attempt(function() { - original.apply(obj, args); - }); - }.bind(obj, original); - obj[method].options = options; - } -}; |