55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var child_process_1 = require("child_process");
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var d = require('debug')('electron-windows-installer:spawn');
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// Public: Maps a process's output into an {Observable}
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//
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// exe - The program to execute
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// params - Arguments passed to the process
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// opts - Options that will be passed to child_process.spawn
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//
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// Returns an {Observable} with a single value, that is the output of the
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// spawned process
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function spawn(exe, params, opts) {
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return new Promise(function (resolve, reject) {
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var proc = null;
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d("Spawning " + exe + " " + params.join(' '));
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if (!opts) {
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proc = child_process_1.spawn(exe, params);
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}
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else {
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proc = child_process_1.spawn(exe, params, opts);
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}
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// We need to wait until all three events have happened:
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// * stdout's pipe is closed
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// * stderr's pipe is closed
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// * We've got an exit code
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var rejected = false;
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var refCount = 3;
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var stdout = '';
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var release = function () {
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if (--refCount <= 0 && !rejected)
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resolve(stdout);
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};
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var bufHandler = function (b) {
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var chunk = b.toString();
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stdout += chunk;
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};
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proc.stdout.on('data', bufHandler);
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proc.stdout.once('close', release);
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proc.stderr.on('data', bufHandler);
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proc.stderr.once('close', release);
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proc.on('error', function (e) { return reject(e); });
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proc.on('close', function (code) {
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if (code === 0) {
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release();
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}
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else {
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rejected = true;
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reject(new Error("Failed with exit code: " + code + "\nOutput:\n" + stdout));
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}
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});
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});
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}
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exports.default = spawn;
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//# sourceMappingURL=spawn-promise.js.map
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