@angular-devkit/schematics
Version:
Angular Schematics - Library
94 lines • 10.2 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.callRule = exports.callSource = exports.InvalidSourceResultException = exports.InvalidRuleResultException = void 0;
const core_1 = require("@angular-devkit/core");
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const interface_1 = require("../tree/interface");
function _getTypeOfResult(value) {
if (value === undefined) {
return 'undefined';
}
else if (value === null) {
return 'null';
}
else if (typeof value == 'function') {
return `Function()`;
}
else if (typeof value != 'object') {
return `${typeof value}(${JSON.stringify(value)})`;
}
else {
if (Object.getPrototypeOf(value) == Object) {
return `Object(${JSON.stringify(value)})`;
}
else if (value.constructor) {
return `Instance of class ${value.constructor.name}`;
}
else {
return 'Unknown Object';
}
}
}
/**
* When a rule or source returns an invalid value.
*/
class InvalidRuleResultException extends core_1.BaseException {
constructor(value) {
super(`Invalid rule result: ${_getTypeOfResult(value)}.`);
}
}
exports.InvalidRuleResultException = InvalidRuleResultException;
class InvalidSourceResultException extends core_1.BaseException {
constructor(value) {
super(`Invalid source result: ${_getTypeOfResult(value)}.`);
}
}
exports.InvalidSourceResultException = InvalidSourceResultException;
function callSource(source, context) {
return (0, rxjs_1.defer)(async () => {
let result = source(context);
if ((0, rxjs_1.isObservable)(result)) {
result = await result.pipe((0, operators_1.defaultIfEmpty)()).toPromise();
}
if (result && interface_1.TreeSymbol in result) {
return result;
}
throw new InvalidSourceResultException(result);
});
}
exports.callSource = callSource;
function callRule(rule, input, context) {
if ((0, rxjs_1.isObservable)(input)) {
return input.pipe((0, operators_1.mergeMap)((inputTree) => callRuleAsync(rule, inputTree, context)));
}
else {
return (0, rxjs_1.defer)(() => callRuleAsync(rule, input, context));
}
}
exports.callRule = callRule;
async function callRuleAsync(rule, tree, context) {
let result = await rule(tree, context);
while (typeof result === 'function') {
// This is considered a Rule, chain the rule and return its output.
result = await result(tree, context);
}
if (typeof result === 'undefined') {
return tree;
}
if ((0, rxjs_1.isObservable)(result)) {
result = await result.pipe((0, operators_1.defaultIfEmpty)(tree)).toPromise();
}
if (result && interface_1.TreeSymbol in result) {
return result;
}
throw new InvalidRuleResultException(result);
}
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