Initial commit

1 files changed, 48 insertions, 0 deletions

diff --git a/node_modules/app-builder/lib/compose.js b/node_modules/app-builder/lib/compose.js
new file mode 100644
index 0000000..e615d57
--- /dev/null
+++ b/node_modules/app-builder/lib/compose.js
@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const flatten = (values) => [].concat(...values), noop = function noop() {
+    return Promise.resolve();
+};
+function throwIfHasBeenCalled(fn) {
+    if (fn.__appbuildercalled) {
+        throw new Error('Cannot call next more than once');
+    }
+    return (fn.__appbuildercalled = true);
+}
+function tryInvokeMiddleware(context, middleware, next = noop) {
+    try {
+        return Promise.resolve(middleware ? middleware(context, next) : context);
+    }
+    catch (error) {
+        return Promise.reject(error);
+    }
+}
+function functionList(list, ...args) {
+    const arrayList = Symbol.iterator in list ? Array.from(list) : [list];
+    return arrayList.map((x) => {
+        return (_, next) => Promise.resolve(x(...args)).then(next);
+    });
+}
+exports.functionList = functionList;
+/**
+ * Create a function to invoke all passed middleware functions
+ * with a single argument <T>context
+ * @param middleware
+ */
+function compose(...middleware) {
+    return flatten(middleware)
+        .filter((x) => {
+        if ('function' !== typeof x) {
+            throw new TypeError(`${x}, must be a middleware function accpeting (context, next) arguments`);
+        }
+        return x;
+    })
+        .reduceRight((composed, mw) => {
+        return function (context, nextFn) {
+            const next = () => throwIfHasBeenCalled(next) && composed(context, nextFn);
+            return tryInvokeMiddleware(context, mw, next);
+        };
+    }, tryInvokeMiddleware);
+}
+exports.compose = compose;
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file