@kui-shell/core
Version:
An Electron-based shell for cloud-native development
97 lines (96 loc) • 3.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.applyEnumerator = applyEnumerator;
exports.isStringResponse = isStringResponse;
exports.registerEnumerator = registerEnumerator;
/*
* Copyright 2017 The Kubernetes Authors
*
* 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.
*/
var __awaiter = void 0 && (void 0).__awaiter || function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
function isStringResponse(response) {
return response === undefined || typeof response === 'string';
}
const enumerators = [];
/** A plugin has offered a tab completion Enumerator */
function registerEnumerator(enumerator, priority = 0) {
enumerators.push({
enumerator,
priority
});
}
/**
* Consult each registered enumerator to see what it has to offer in
* the way of completions. Pick the one with highest priority, or the
* first to register in the case of a tie-breaker.
*
*/
function applyEnumerator(tab, commandLine, spec) {
return __awaiter(this, void 0, void 0, function* () {
// this is a list of all offered completions, paired with the
// priority of the registered enumerator
const lists = (yield Promise.all(enumerators.map(_ => __awaiter(this, void 0, void 0, function* () {
return {
response: yield _.enumerator(tab, commandLine, spec),
priority: _.priority
};
})))).filter(_ => _.response && _.response.length > 0);
if (lists.length === 0) {
// no enumerators had anything to suggest
} else if (lists.length === 1) {
// exactly one enumerator had something to suggest
return lists[0].response;
} else {
// in this case, more than one enumerator had something to
// suggest. pick the one with highest priority, or the first to
// register
const bestList = lists.slice(1).reduce((best, list) => {
if (best.priority < list.priority) {
return list;
} else {
return best;
}
}, lists[0]);
return bestList.response;
}
});
}