From d25e11bee6ca5ca523884da132d18e1400e077b9 Mon Sep 17 00:00:00 2001 From: Minteck Date: Tue, 24 Aug 2021 14:41:48 +0200 Subject: Initial commit --- node_modules/app-builder/lib/compose.js | 48 +++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 node_modules/app-builder/lib/compose.js (limited to 'node_modules/app-builder/lib/compose.js') 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 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,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiY29tcG9zZS5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uL3NyYy9jb21wb3NlLnRzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiI7O0FBT0EsTUFBTSxPQUFPLEdBQUcsQ0FBSSxNQUEyQixFQUFFLEVBQUUsQ0FBRSxFQUFVLENBQUMsTUFBTSxDQUFDLEdBQUcsTUFBTSxDQUFRLEVBQ3RGLElBQUksR0FBRyxTQUFTLElBQUk7SUFDbEIsT0FBTyxPQUFPLENBQUMsT0FBTyxFQUFFLENBQUE7QUFDMUIsQ0FBQyxDQUFBO0FBRUgsU0FBUyxvQkFBb0IsQ0FBQyxFQUFPO0lBQ25DLElBQUksRUFBRSxDQUFDLGtCQUFrQixFQUFFO1FBQ3pCLE1BQU0sSUFBSSxLQUFLLENBQUMsaUNBQWlDLENBQUMsQ0FBQTtLQUNuRDtJQUNELE9BQU8sQ0FBQyxFQUFFLENBQUMsa0JBQWtCLEdBQUcsSUFBSSxDQUFDLENBQUE7QUFDdkMsQ0FBQztBQUVELFNBQVMsbUJBQW1CLENBQUksT0FBVSxFQUFFLFVBQXlCLEVBQUUsT0FBa0MsSUFBSTtJQUMzRyxJQUFJO1FBQ0YsT0FBTyxPQUFPLENBQUMsT0FBTyxDQUFDLFVBQVUsQ0FBQyxDQUFDLENBQUMsVUFBVSxDQUFDLE9BQU8sRUFBRSxJQUFJLENBQUMsQ0FBQyxDQUFDLENBQUMsT0FBTyxDQUFDLENBQUE7S0FDekU7SUFBQyxPQUFPLEtBQUssRUFBRTtRQUNkLE9BQU8sT0FBTyxDQUFDLE1BQU0sQ0FBQyxLQUFLLENBQUMsQ0FBQTtLQUM3QjtBQUNILENBQUM7QUFFRCxTQUFnQixZQUFZLENBQVUsSUFBMkIsRUFBRSxHQUFHLElBQVc7SUFDL0UsTUFBTSxTQUFTLEdBQUcsTUFBTSxDQUFDLFFBQVEsSUFBSSxJQUFJLENBQUMsQ0FBQyxDQUFDLEtBQUssQ0FBQyxJQUFJLENBQUMsSUFBa0IsQ0FBQyxDQUFDLENBQUMsQ0FBQyxDQUFDLElBQWdCLENBQUMsQ0FBQTtJQUMvRixPQUFPLFNBQVMsQ0FBQyxHQUFHLENBQUMsQ0FBQyxDQUFDLEVBQUUsRUFBRTtRQUN6QixPQUFPLENBQUMsQ0FBTSxFQUFFLElBQVMsRUFBRSxFQUFFLENBQUMsT0FBTyxDQUFDLE9BQU8sQ0FBQyxDQUFDLENBQUMsR0FBRyxJQUFJLENBQUMsQ0FBQyxDQUFDLElBQUksQ0FBQyxJQUFJLENBQUMsQ0FBQTtJQUN0RSxDQUFDLENBQUMsQ0FBQTtBQUNKLENBQUM7QUFMRCxvQ0FLQztBQUVEOzs7O0dBSUc7QUFDSCxTQUFnQixPQUFPLENBQVUsR0FBRyxVQUErQztJQUNqRixPQUFPLE9BQU8sQ0FBQyxVQUFVLENBQUM7U0FDdkIsTUFBTSxDQUFDLENBQUMsQ0FBQyxFQUFFLEVBQUU7UUFDWixJQUFJLFVBQVUsS0FBSyxPQUFPLENBQUMsRUFBRTtZQUMzQixNQUFNLElBQUksU0FBUyxDQUFDLEdBQUcsQ0FBQyxxRUFBcUUsQ0FBQyxDQUFBO1NBQy9GO1FBQ0QsT0FBTyxDQUFDLENBQUE7SUFDVixDQUFDLENBQUM7U0FDRCxXQUFXLENBQUMsQ0FBQyxRQUF1QixFQUFFLEVBQWlCLEVBQUUsRUFBRTtRQUMxRCxPQUFPLFVBQVUsT0FBVSxFQUFFLE1BQWlDO1lBQzVELE1BQU0sSUFBSSxHQUFHLEdBQUcsRUFBRSxDQUFDLG9CQUFvQixDQUFDLElBQUksQ0FBQyxJQUFJLFFBQVEsQ0FBQyxPQUFPLEVBQUUsTUFBTSxDQUFDLENBQUE7WUFDMUUsT0FBTyxtQkFBbUIsQ0FBQyxPQUFPLEVBQUUsRUFBRSxFQUFFLElBQUksQ0FBQyxDQUFBO1FBQy9DLENBQUMsQ0FBQTtJQUNILENBQUMsRUFBRSxtQkFBbUIsQ0FBOEIsQ0FBQTtBQUN4RCxDQUFDO0FBZEQsMEJBY0MifQ== \ No newline at end of file -- cgit