@atomist/sdm-core
Version:
Atomist Software Delivery Machine - Implementation
45 lines • 1.87 kB
JavaScript
;
/*
* Copyright © 2018 Atomist, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
const metadata_1 = require("@atomist/automation-client/lib/internal/metadata/metadata");
const constructionUtils_1 = require("@atomist/automation-client/lib/util/constructionUtils");
/**
* Return command handlers with a given tag.
* Note this may not find all, but it will find those that know their
* own metadata, which is true of all those returned by generatorCommand
* and the underlying commandHandlerFrom
* @param {FunctionalUnit} unit
* @param {string} tag
*/
function commandHandlersWithTag(unit, tag) {
return selfDescribingHandlers(unit)
.filter(hi => hi.instance.tags.some(t => t.name === tag));
}
exports.commandHandlersWithTag = commandHandlersWithTag;
/**
* Return command handlers along with their metadata
* Note this may not find all, but it will find those that know their
* own metadata
* @param {FunctionalUnit} unit
*/
function selfDescribingHandlers(unit) {
return unit.commandHandlers
.map(maker => ({ maker, instance: constructionUtils_1.toFactory(maker)() }))
.filter(hi => metadata_1.isCommandHandlerMetadata(hi.instance));
}
exports.selfDescribingHandlers = selfDescribingHandlers;
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