Squashed 'src/ao-lib/' changes from aab65a0..620f97f

620f97f fixed broken function
08ee908 Helper functions for managing AO system environment variables
1046e61 Renamed to remove superfluous s in filename
f34baff changed from TS to JS file as it contains no TS-specific stuff
8fdeb9c moved current ao-cli api to ao-lib to begin standardizing API files again

git-subtree-dir: src/ao-lib
git-subtree-split: 620f97f483667c0bba0c6632843e064343917595

settings.js

@@ -0,0 +1,120 @@
+import { execSync } from 'child_process'
+import fs from 'fs'
+import { parse, stringify } from 'envfile'
+
+export const AO_ENV_FILE_PATH = process.env.HOME + '/.ao/.env'
+
+function createAoFolderIfDoesNotExist() {
+  
+}
+
+// Check for an AO env file at ~/.ao/.env and returns true if it exists
+export function checkAoEnvFile() {
+  try {
+    execSync(`[ -f "${AO_ENV_FILE_PATH}" ]`)
+    return true
+  } catch(err) {
+    return false
+  }
+}
+
+export function aoEnv(variable) {
+  let envFileContents = {}
+  try {
+    envFileContents = fs.readFileSync(AO_ENV_FILE_PATH)
+  } catch(err) {
+    if(err.code === 'ENOENT') {
+      //console.log('The .env file does not exist, so the requested value', variable, 'is empty.')
+    } else {
+      console.log('Unknown error loading .env file in aoEnv, aborting.')
+    }
+    return null
+  }
+  const parsedFile = parse(envFileContents)
+  
+  if(!parsedFile.hasOwnProperty(variable)) {
+    return null
+  }
+  
+  // Convert ENV idiom to programmatic types
+  switch(parsedFile[variable]) {
+    case '1':
+    case 'true':
+    case 'TRUE':
+    case 'yes':
+    case 'YES':
+      return true
+    case '0':
+    case 'false':
+    case 'FALSE':
+    case 'no':
+    case 'NO':
+      return false
+  }
+  
+  return parsedFile[variable]
+}
+
+// Sets and saves the given ENV=value to the global ~/.ao/.env file
+// If value is null, the env variable will be deleted
+// Returns true if a change was made, false if no change was made or if it failed
+export function setAoEnv(variable, value) {
+  createAoFolderIfDoesNotExist()
+  if(typeof variable !== 'string') {
+    console.log('ENV variable name must be a string for setAoEnv')
+    return false
+  }
+  
+  // Convert types to standard ENV file idiom
+  switch(value) {
+    case true:
+    case 'TRUE':
+    case 'yes':
+    case 'YES':
+      value = '1'
+      break
+    case false:
+    case 'FALSE':
+    case 'no':
+    case 'NO':
+      value = '0'
+  }
+  
+  let envFileContents = {}
+  try {
+    envFileContents = fs.readFileSync(AO_ENV_FILE_PATH)
+  } catch(err) {
+    if(err.code === 'ENOENT') {
+      console.log('The .env file hasn\'t been created yet, creating.')
+    } else {
+      console.log('Unknown error loading .env file in setAoEnv, aborting. Error:', err)
+      return false
+    }
+  }
+  
+  const parsedFile = parse(envFileContents)
+  if(parsedFile[variable] == value) {
+    console.log(variable, 'is already', value, 'so no change was made.')
+    return false
+  }
+  
+  if(value === null) {
+    delete parsedFile[variable]
+  } else {
+    parsedFile[variable] = value
+  }
+  
+  const stringified = stringify(parsedFile)
+  fs.writeFileSync(AO_ENV_FILE_PATH, stringified)
+  
+  // Confirm the variable was set in the .env file correctly
+  if(aoEnv(variable) != value) {
+    console.log('Value was not saved correctly, sorry.')
+    return false
+  }
+  return true
+}
+
+function setAndSaveEnvironmentVariable(variable, value, path) {
+  
+}

util.js

@@ -1,3 +1,5 @@
+// General helper functions
+
 export const cancelablePromise = promise => {
   let isCanceled = false
 
@@ -13,16 +15,15 @@ export const cancelablePromise = promise => {
     cancel: () => (isCanceled = true),
   }
 }
+
 export const noop = () => {}
 
-export const delay = n => new Promise(resolve => setTimeout(resolve, n))
+export const delay = (n = 550) => new Promise(resolve => setTimeout(resolve, n))
 
-export const isObject = obj => {
-  return Object.prototype.toString.call(obj) === '[object Object]'
-}
+export const isObject = obj => { return Object.prototype.toString.call(obj) === '[object Object]' }
 
-export const convertToDuration = (milliseconds: number) => {
-  const stringifyTime = (time: number): string => String(time).padStart(2, '0')
+export const convertToDuration = (milliseconds) => {
+  const stringifyTime = (time) => String(time).padStart(2, '0')
   const seconds = Math.floor(milliseconds / 1000)
   const minutes = Math.floor(seconds / 60)
   const hours = Math.floor(minutes / 60)
@@ -31,7 +32,7 @@ export const convertToDuration = (milliseconds: number) => {
   )}:${stringifyTime(seconds % 60)}`
 }
 
-export const convertToTimeWorked = (milliseconds: number) => {
+export const convertToTimeWorked = (milliseconds) => {
   const seconds = Math.floor(milliseconds / 1000)
   const minutes = Math.floor(seconds / 60)
   const hours = Math.floor(minutes / 60)
@@ -42,3 +43,15 @@ export const convertToTimeWorked = (milliseconds: number) => {
     return `${minutes % 60}m`
   }
 }
+
+ // Returns a random int between min and max (inclusive)
+export function randomInt(min, max) {
+    min = Math.ceil(min);
+    max = Math.floor(max);
+    return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+// Returns a random item from the given array
+export function selectRandom(arrayToChooseFrom) {
+  return arrayToChooseFrom[randomInt(0, arrayToChooseFrom.length - 1)]
+}