Version 1
[yaffs-website] / node_modules / bluebird / js / release / context.js
diff --git a/node_modules/bluebird/js/release/context.js b/node_modules/bluebird/js/release/context.js
new file mode 100644 (file)
index 0000000..c307414
--- /dev/null
@@ -0,0 +1,69 @@
+"use strict";
+module.exports = function(Promise) {
+var longStackTraces = false;
+var contextStack = [];
+
+Promise.prototype._promiseCreated = function() {};
+Promise.prototype._pushContext = function() {};
+Promise.prototype._popContext = function() {return null;};
+Promise._peekContext = Promise.prototype._peekContext = function() {};
+
+function Context() {
+    this._trace = new Context.CapturedTrace(peekContext());
+}
+Context.prototype._pushContext = function () {
+    if (this._trace !== undefined) {
+        this._trace._promiseCreated = null;
+        contextStack.push(this._trace);
+    }
+};
+
+Context.prototype._popContext = function () {
+    if (this._trace !== undefined) {
+        var trace = contextStack.pop();
+        var ret = trace._promiseCreated;
+        trace._promiseCreated = null;
+        return ret;
+    }
+    return null;
+};
+
+function createContext() {
+    if (longStackTraces) return new Context();
+}
+
+function peekContext() {
+    var lastIndex = contextStack.length - 1;
+    if (lastIndex >= 0) {
+        return contextStack[lastIndex];
+    }
+    return undefined;
+}
+Context.CapturedTrace = null;
+Context.create = createContext;
+Context.deactivateLongStackTraces = function() {};
+Context.activateLongStackTraces = function() {
+    var Promise_pushContext = Promise.prototype._pushContext;
+    var Promise_popContext = Promise.prototype._popContext;
+    var Promise_PeekContext = Promise._peekContext;
+    var Promise_peekContext = Promise.prototype._peekContext;
+    var Promise_promiseCreated = Promise.prototype._promiseCreated;
+    Context.deactivateLongStackTraces = function() {
+        Promise.prototype._pushContext = Promise_pushContext;
+        Promise.prototype._popContext = Promise_popContext;
+        Promise._peekContext = Promise_PeekContext;
+        Promise.prototype._peekContext = Promise_peekContext;
+        Promise.prototype._promiseCreated = Promise_promiseCreated;
+        longStackTraces = false;
+    };
+    longStackTraces = true;
+    Promise.prototype._pushContext = Context.prototype._pushContext;
+    Promise.prototype._popContext = Context.prototype._popContext;
+    Promise._peekContext = Promise.prototype._peekContext = peekContext;
+    Promise.prototype._promiseCreated = function() {
+        var ctx = this._peekContext();
+        if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this;
+    };
+};
+return Context;
+};