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96 lines
3.0 KiB
96 lines
3.0 KiB
"use strict";
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const _ = require("underscore");
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const tasks = require("./tasks");
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// TaskProcessor does not look like EventEmitter, so no need to extend EventEmitter and use `emit' here.
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const TaskProcessor = function (task, outerProcessor, callback) {
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if (!this) {
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return new TaskProcessor(task);
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}
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const that = this;
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const createTaskWorker = () => tasks[task.type](task.params || {}, that);
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const errors = [];
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const process = () => createTaskWorker().process();
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const getOuterPrefix = (prefix) => {
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if (task.name && prefix) {
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return `${task.name}/${prefix}`;
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}
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return String(task.name || "") + String(prefix || "");
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};
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const onError = (message, prefix) => {
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errors.push(message);
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outerProcessor.onError(message, getOuterPrefix(prefix));
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};
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const onWarn = (message, prefix) => outerProcessor.onWarn(message, getOuterPrefix(prefix));
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const onInfo = (message, prefix) => outerProcessor.onInfo(message, getOuterPrefix(prefix));
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const processTask = (innerTask, innerCallback) => {
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const innerProcessor = new TaskProcessor(innerTask, that, innerCallback);
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innerProcessor.process();
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};
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const done = () => callback(errors.join("\r\n"));
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that.process = process;
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that.onError = onError;
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that.onWarn = onWarn;
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that.onInfo = onInfo;
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that.processTask = processTask;
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that.done = done;
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that.context = outerProcessor.context;
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};
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const pushMessage = (list, message, parts, index) => {
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if (!index) {
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list.$allMessages = list.$allMessages || []; // eslint-disable-line fp/no-mutation
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list.$allMessages.push({ // eslint-disable-line fp/no-mutating-methods
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message,
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"prefix": parts.join("/")
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});
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}
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list.$messages = list.$messages || []; // eslint-disable-line fp/no-mutation
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if (index === parts.length) {
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return list.$messages.push(message); // eslint-disable-line fp/no-mutating-methods
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}
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return pushMessage(list, message, parts, index + 1);
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};
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const addFlag = (flags) => (flagName) => {
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flags[flagName] = true; // eslint-disable-line fp/no-mutation
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};
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const containsFlag = (flags) => (flagName) => flags[flagName];
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exports.processTask = (task, context, callback) => {
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const errors = {};
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const warns = {};
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const infos = {};
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const messages = {};
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const messageProcessor = (list) => (message, prefix) => {
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const parts = prefix.split("/");
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pushMessage(list, message, parts, 0);
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pushMessage(messages, message, parts, 0);
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};
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const flags = {};
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const processor = new TaskProcessor(task, {
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"context": _.extend(context, {
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"addFlag": addFlag(flags),
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"containsFlag": containsFlag(flags)
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}),
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"onError": messageProcessor(errors),
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"onInfo": messageProcessor(infos),
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"onWarn": messageProcessor(warns)
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}, (err) => callback(err, {
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errors,
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infos,
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messages,
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warns
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}));
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processor.process();
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};
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