WIP
parent
68c9001270
commit
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@ -1,3 +1,4 @@
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{
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"extends": "@joepie91/eslint-config"
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"extends": "@joepie91/eslint-config",
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"ignorePatterns": "test/**"
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}
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Load Diff
@ -0,0 +1,55 @@
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"use strict";
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const utf7 = require('utf7').imap;
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const RE_BACKSLASH = /\\/g;
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const RE_DBLQUOTE = /"/g;
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function escape(str) {
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return str.replace(RE_BACKSLASH, '\\\\').replace(RE_DBLQUOTE, '\\"');
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}
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module.exports = {
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command: function (strings, ... interpolations) {
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return {
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toCommandString: function () {
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let processedInterpolations = interpolations.map((interpolation) => {
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let isObject = interpolation != null && typeof interpolation === "object";
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if (isObject && interpolation._isRaw) {
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return interpolation.string;
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} else if (isObject && interpolation._is7Bit) {
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return escape(interpolation.string);
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} else if (typeof interpolation === "string") {
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return escape(utf7.encode(interpolation));
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} else {
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throw new Error(`Invalid input into command string: ${interpolation}`);
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}
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});
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let combined = "";
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strings.slice(0, -1).forEach((string, i) => {
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combined += string;
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combined += processedInterpolations[i];
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});
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combined += strings[strings.length - 1];
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return combined;
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}
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};
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},
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unsafeRaw: function (string) {
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return {
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_isRaw: true,
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string: string
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};
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},
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already7Bit: function (string) {
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return {
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_is7Bit: true,
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string: string
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};
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}
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};
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@ -0,0 +1,112 @@
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"use strict";
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const events = require("events");
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const syncpipe = require("syncpipe");
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const defaultValue = require("default-value");
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const splitFilter = require("split-filter");
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const mapObject = require("map-obj");
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const pickObject = require("./pick-object");
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const RE_BODYPART = /^BODY\[/;
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const RE_ESCAPE = /\\\\/g;
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const FETCH_ATTR_MAP = {
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'RFC822.SIZE': 'size',
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'BODY': 'struct',
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'BODYSTRUCTURE': 'struct',
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'ENVELOPE': 'envelope',
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'INTERNALDATE': 'date'
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};
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function mapIncomingAttributeKey(key) {
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return defaultValue(FETCH_ATTR_MAP[key], key.toLowerCase());
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}
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// FIXME: Get rid of the separate-emitter hackery here, and make the task itself an emitter instead, or find some other better way to wire things up
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module.exports = function createFetchTaskTracker() {
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let tasks = new Map();
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return {
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get: function (id) {
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// TODO: Eventually make this fail hard, after the calling code has been fully refactored
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return tasks.get(id);
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},
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create: function (id, keysToFetch) {
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let emitter = new events.EventEmitter();
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let task = createFetchTask({ emitter, keysToFetch });
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// FIXME: Delete after completion
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tasks.set(id, task);
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return task;
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},
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getOrCreate: function (id, keysToFetch) {
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if (tasks.has(id)) {
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return this.get(id);
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} else {
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return this.create(id, keysToFetch);
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}
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}
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};
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};
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function createFetchTask({ emitter, keysToFetch }) {
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let attributes = {};
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let endHandled = false;
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return {
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emitter: emitter,
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getRemainingKeys: function () {
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return keysToFetch;
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},
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processFetchResponse: function (payload) {
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if (keysToFetch.length > 0) {
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let caseMappedPayload = mapObject(payload, (key, value) => {
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return [ key.toUpperCase(), value ];
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});
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let [ existingKeys, missingKeys ] = splitFilter(keysToFetch, (key) => caseMappedPayload[key] != null);
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let relevantKeys = existingKeys.filter((key) => RE_BODYPART.test(key) === false);
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let newAttributes = syncpipe(caseMappedPayload, [
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(_) => pickObject(_, relevantKeys),
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(_) => mapObject(_, (key, value) => {
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return [
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/* key */ mapIncomingAttributeKey(key),
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/* value */ (key === 'X-GM-LABELS')
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// TODO: Why is this special case needed?
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? value.map((label) => String(label).replace(RE_ESCAPE, '\\'))
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: value
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];
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})
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]);
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Object.assign(attributes, newAttributes);
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keysToFetch = missingKeys;
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let isDone = (missingKeys.length === 0);
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if (isDone === true) {
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endHandled = true;
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// FIXME: Why nextTick?
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process.nextTick(function() {
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emitter.emit("attributes", attributes);
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emitter.emit("end");
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});
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}
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} else {
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if (endHandled === false) {
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endHandled = true;
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// FIXME: Why nextTick?
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process.nextTick(function() {
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emitter.emit("end");
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});
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}
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}
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}
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};
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};
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@ -0,0 +1,32 @@
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"use strict";
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// TODO: Make separate package
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const pTry = require("p-try");
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module.exports = function pInterval(interval, handler) {
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let timer = setTimeout(doHandler, interval);
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function doHandler() {
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let startTime = Date.now();
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pTry(() => {
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return handler();
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}).then(() => {
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let timeElapsed = Date.now() - startTime();
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let timeout = (timeElapsed < interval)
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? interval - timeElapsed
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: 1; // Be consistently async!
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timer = setTimeout(doHandler, timeout);
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});
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}
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return function cancelInterval() {
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if (timer != null) {
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clearTimeout(timer);
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timer = null;
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}
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};
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};
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@ -0,0 +1,13 @@
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"use strict";
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module.exports = function pickObject(object, keys) {
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let newObject = {};
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for (let key of keys) {
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if (key in object) {
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newObject[key] = object[key];
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}
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}
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return newObject;
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};
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@ -1,4 +1,5 @@
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require('fs').readdirSync(__dirname).forEach(function(f) {
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// if (f === "test-connection-fetch-dup.js")
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if (f.substr(0, 5).toLowerCase() === 'test-')
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require('./' + f);
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});
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});
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