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58 lines
2.5 KiB
58 lines
2.5 KiB
2 months ago
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.applyMiddleware = exports.commandMiddlewareFactory = exports.globalMiddlewareFactory = void 0;
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const argsert_1 = require("./argsert");
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const is_promise_1 = require("./is-promise");
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function globalMiddlewareFactory(globalMiddleware, context) {
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return function (callback, applyBeforeValidation = false) {
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argsert_1.argsert('<array|function> [boolean]', [callback, applyBeforeValidation], arguments.length);
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if (Array.isArray(callback)) {
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for (let i = 0; i < callback.length; i++) {
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if (typeof callback[i] !== 'function') {
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throw Error('middleware must be a function');
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}
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callback[i].applyBeforeValidation = applyBeforeValidation;
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}
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Array.prototype.push.apply(globalMiddleware, callback);
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}
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else if (typeof callback === 'function') {
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callback.applyBeforeValidation = applyBeforeValidation;
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globalMiddleware.push(callback);
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}
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return context;
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};
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}
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exports.globalMiddlewareFactory = globalMiddlewareFactory;
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function commandMiddlewareFactory(commandMiddleware) {
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if (!commandMiddleware)
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return [];
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return commandMiddleware.map(middleware => {
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middleware.applyBeforeValidation = false;
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return middleware;
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});
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}
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exports.commandMiddlewareFactory = commandMiddlewareFactory;
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function applyMiddleware(argv, yargs, middlewares, beforeValidation) {
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const beforeValidationError = new Error('middleware cannot return a promise when applyBeforeValidation is true');
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return middlewares
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.reduce((acc, middleware) => {
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if (middleware.applyBeforeValidation !== beforeValidation) {
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return acc;
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}
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if (is_promise_1.isPromise(acc)) {
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return acc
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.then(initialObj => Promise.all([initialObj, middleware(initialObj, yargs)]))
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.then(([initialObj, middlewareObj]) => Object.assign(initialObj, middlewareObj));
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}
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else {
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const result = middleware(acc, yargs);
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if (beforeValidation && is_promise_1.isPromise(result))
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throw beforeValidationError;
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return is_promise_1.isPromise(result)
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? result.then(middlewareObj => Object.assign(acc, middlewareObj))
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: Object.assign(acc, result);
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}
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}, argv);
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}
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exports.applyMiddleware = applyMiddleware;
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