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82 lines
2.4 KiB
82 lines
2.4 KiB
"use strict";
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const spawn = require("child_process").spawn;
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const streamBuffers = require("stream-buffers");
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const settings = require("../../settings");
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const wrapBuilder = (builder, input, onExit) => {
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const resultBuffer = new streamBuffers.WritableStreamBuffer();
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const errorBuffer = new streamBuffers.WritableStreamBuffer();
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builder.stdout.on("data", (data) => {
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resultBuffer.write(data);
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});
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builder.stderr.on("data", (data) => {
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errorBuffer.write(data);
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});
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builder.on("exit", (code) => {
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resultBuffer.end();
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errorBuffer.end();
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onExit(code, resultBuffer.getContentsAsString(), errorBuffer.getContentsAsString());
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});
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builder.stdin.write(input);
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builder.stdin.end();
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};
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const safeParseJson = (data) => {
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try {
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return { "parsed": JSON.parse(data) };
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} catch (err) {
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return { err };
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}
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};
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module.exports = (params, processor) => ({
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"process": () => {
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const input = JSON.stringify(params);
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const builder = spawn(settings.builderExecutable, [params.command]);
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processor.onInfo(`DotNetBuilderWrapper processing (at ${new Date().toISOString()}): ${input}`);
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wrapBuilder(builder, input, (code, result, builderError) => {
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if (code || builderError) {
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processor.onError(`Return code is ${code}\r\n${builderError}`);
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return processor.done();
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}
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const { parsed, err } = safeParseJson(result);
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if (err || !parsed || !parsed.Messages) {
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processor.onError(`Malformed JSON: ${err}`);
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processor.onInfo(result);
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return processor.done();
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}
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const messages = parsed.Messages;
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messages.forEach((message) => {
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if (!message) {
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return processor.onError("Message is null");
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}
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switch (message.Type) {
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case "info":
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return processor.onInfo(message.Body);
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case "warn":
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return processor.onWarn(message.Body);
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default:
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return processor.onError(message.Body);
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}
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});
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processor.onInfo(`Done DotNetBuilderWrapper processing (at ${new Date().toISOString()})`);
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return processor.done();
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});
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}
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});
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