@pulumi/query
Version:
An simple, relational SDK for querying TypeScript and JavaScript data structures
111 lines (110 loc) • 5.6 kB
JavaScript
;
// Copyright 2016-2019, Pulumi Corporation.
//
// 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 = (this && this.__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());
});
};
var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var g = generator.apply(thisArg, _arguments || []), i, q = [];
return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
};
var __asyncValues = (this && this.__asyncValues) || function (o) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var m = o[Symbol.asyncIterator], i;
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
Object.defineProperty(exports, "__esModule", { value: true });
const interfaces_1 = require("./interfaces");
function wrapAsyncIterable(makeIterable) {
return {
[Symbol.asyncIterator]() {
const iterable = makeIterable();
if (interfaces_1.isIterable(iterable)) {
const iterator = iterable[Symbol.iterator]();
return {
next() {
return __awaiter(this, void 0, void 0, function* () {
return iterator.next();
});
},
};
}
else {
return iterable[Symbol.asyncIterator]();
}
},
};
}
function range(start, end) {
return wrapAsyncIterable(function () {
return __asyncGenerator(this, arguments, function* () {
let i = start;
while (true) {
if (end !== undefined && i >= end) {
return yield __await(void 0);
}
yield yield __await(i++);
}
});
});
}
exports.range = range;
function from(source) {
return source === undefined
? wrapAsyncIterable(() => [])
: source instanceof Function
? wrapAsyncIterable(source)
: wrapAsyncIterable(function () {
return __asyncGenerator(this, arguments, function* () {
var e_1, _a;
if (interfaces_1.isIterable(source)) {
for (const t of source) {
yield yield __await(t);
}
}
else {
try {
for (var source_1 = __asyncValues(source), source_1_1; source_1_1 = yield __await(source_1.next()), !source_1_1.done;) {
const t = source_1_1.value;
yield yield __await(t);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (source_1_1 && !source_1_1.done && (_a = source_1.return)) yield __await(_a.call(source_1));
}
finally { if (e_1) throw e_1.error; }
}
}
});
});
}
exports.from = from;