title
Node.js Crash Course Tutorial #5 - NPM

description
Hey gang, in this Node.js tutorial we'll learn how to use NPM - the node package manager - to install 3rd party packages into our project. 0:00 -- 3rd party packages 1:53 -- installing packages globally (nodemon) 5:02 -- the package.json file & installing packages locally 13:27 -- dependencies & sharing code 🐱‍👤🐱‍👤 JOIN THE GANG - https://www.youtube.com/channel/UCW5YeuERMmlnqo4oq8vwUpg/join ---------------------------------------- 🐱‍💻 🐱‍💻 My Udemy Courses: + Modern JavaScript - https://www.thenetninja.co.uk/udemy/modern-javascript + Vue JS & Firebase - http://www.thenetninja.co.uk/udemy/vue-and-firebase + D3.js & Firebase - https://www.thenetninja.co.uk/udemy/d3-and-firebase 🐱‍💻 🐱‍💻 Course Files: https://github.com/iamshaunjp/node-crash-course 🐱‍💻 🐱‍💻 Other Related Free Courses: + Modern JavaScript Tutorial - https://www.youtube.com/playlist?list=PL4cUxeGkcC9haFPT7J25Q9GRB_ZkFrQAc + HTML & CSS Crash Course - https://www.youtube.com/playlist?list=PL4cUxeGkcC9ivBf_eKCPIAYXWzLlPAm6G 🐱‍💻 🐱‍💻 Node.js links + Download here - https://nodejs.org/en/download/

detail
{'title': 'Node.js Crash Course Tutorial #5 - NPM', 'heatmap': [{'end': 357.687, 'start': 303.345, 'weight': 0.783}], 'summary': 'This node.js crash course tutorial covers the usage of npm to install packages like lodash and nodemon, utilizing nodemon for automatic server restart, managing project dependencies with package.json, and debugging with nodemon while using third-party packages with node, enhancing development efficiency and project management.', 'chapters': [{'end': 125.054, 'segs': [{'end': 67.381, 'src': 'embed', 'start': 40.442, 'weight': 1, 'content': [{'end': 47.507, 'text': "Now NPM is automagically installed onto your computer when you install Node, and it's a tool that we can use to install,", 'start': 40.442, 'duration': 7.065}, {'end': 54.692, 'text': 'update or remove Node packages onto our computer directly and also into our individual projects to use.', 'start': 47.507, 'duration': 7.185}, {'end': 62.357, 'text': 'Now. you might have even used NPM in the past for installing front-end frameworks or libraries like Vue and React or something else,', 'start': 55.172, 'duration': 7.185}, {'end': 67.381, 'text': "but we're going to be using it to install packages that are going to help us with our Node website.", 'start': 62.357, 'duration': 5.024}], 'summary': 'Npm is installed with node, used to manage packages for node website.', 'duration': 26.939, 'max_score': 40.442, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ40442.jpg'}, {'end': 125.054, 'src': 'embed', 'start': 79.168, 'weight': 0, 'content': [{'end': 87.554, 'text': 'so, for example, i could search for lodash, and if we click on that result, we can see how to install lodash and how to use it in node, and also,', 'start': 79.168, 'duration': 8.386}, {'end': 91.977, 'text': 'hopefully, a home page and a repository to check out the docs and how to use this package.', 'start': 87.554, 'duration': 4.423}, {'end': 98.959, 'text': "another package is nodemon, and this is the one we're going to be installing first of all onto our computer,", 'start': 92.777, 'duration': 6.182}, {'end': 104.841, 'text': "and this helps us with a development workflow, so we don't have to keep restarting the server manually.", 'start': 98.959, 'duration': 5.882}, {'end': 111.083, 'text': "so i'm going to use npm first of all to show you how to install this globally onto your computer.", 'start': 104.841, 'duration': 6.242}, {'end': 116.505, 'text': 'okay, then.', 'start': 116.064, 'duration': 0.441}, {'end': 125.054, 'text': "so nodemon is a package which helps us to create a live reload server, and that's really going to speed up the development process, because currently,", 'start': 116.505, 'duration': 8.549}], 'summary': 'Installing nodemon globally with npm for live reload server', 'duration': 45.886, 'max_score': 79.168, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ79168.jpg'}], 'start': 2.119, 'title': 'Using npm for node packages', 'summary': 'Explains the usage of npm to install packages such as lodash and nodemon for node, enhancing development speed and efficiency.', 'chapters': [{'end': 125.054, 'start': 2.119, 'title': 'Using npm for node packages', 'summary': 'Explains how to use npm to install additional packages for extra features in node, such as lodash for utility, nodemon for live reload server, and mentions the ease of installing packages using npm, which can speed up the development process.', 'duration': 122.935, 'highlights': ['NPM is a tool used to install, update or remove Node packages onto our computer and individual projects, and can be accessed by going to npm.js.com.', 'Users can search for different packages on the npm.js.com website, such as lodash and nodemon, and learn how to install and use them in Node.', 'Nodemon is a package that helps create a live reload server, speeding up the development process by eliminating the need to manually restart the server.']}], 'duration': 122.935, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ2119.jpg', 'highlights': ['Nodemon speeds up development by eliminating manual server restarts.', 'NPM is used to install, update, or remove Node packages.', 'Users can search for packages like lodash and nodemon on npm.js.com.']}, {'end': 295.663, 'segs': [{'end': 188.201, 'src': 'embed', 'start': 163.855, 'weight': 0, 'content': [{'end': 172.677, 'text': 'it would redirect for me, but this would get tiresome after every code change that we make, having to restart the server down here manually.', 'start': 163.855, 'duration': 8.822}, {'end': 180.14, 'text': 'so nodemon helps us to combat that by automatically restarting the server whenever changes are made and saved to our file.', 'start': 172.677, 'duration': 7.463}, {'end': 188.201, 'text': "so first of all let's install node one down here first of all, cancel out of the process, then to install a package using npm.", 'start': 180.74, 'duration': 7.461}], 'summary': 'Nodemon automatically restarts server on file changes, saving manual restarts.', 'duration': 24.346, 'max_score': 163.855, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ163855.jpg'}], 'start': 125.054, 'title': 'Using nodemon for automatic server restart', 'summary': 'Explains the installation and usage of nodemon, a package that automatically restarts the server upon code changes, increasing efficiency and reducing repetitive manual restarts.', 'chapters': [{'end': 295.663, 'start': 125.054, 'title': 'Using nodemon for automatic server restart', 'summary': 'Explains the manual process of restarting the server after code changes and the installation and usage of nodemon, a package that automatically restarts the server upon code changes, increasing efficiency and reducing repetitive manual restarts.', 'duration': 170.609, 'highlights': ['Nodemon automatically restarts the server whenever changes are made and saved to our file, eliminating the need for manual restarts.', 'Installation of Nodemon globally using npm to enable automatic server restart across different projects on the computer.', 'Demonstration of using Nodemon to automatically restart the server upon code changes, showcasing its effectiveness in improving workflow efficiency.']}], 'duration': 170.609, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ125054.jpg', 'highlights': ['Nodemon automatically restarts the server upon file changes, eliminating manual restarts.', 'Demonstration of using Nodemon to automatically restart the server upon code changes.', 'Installation of Nodemon globally using npm for automatic server restart across projects.']}, {'end': 662.944, 'segs': [{'end': 357.687, 'src': 'heatmap', 'start': 295.663, 'weight': 0, 'content': [{'end': 299.288, 'text': 'but what about packages that are specific to our project?', 'start': 295.663, 'duration': 3.625}, {'end': 303.825, 'text': 'All right, then.', 'start': 303.345, 'duration': 0.48}, {'end': 312.127, 'text': 'so the package file is a JSON file and it keeps track of any packages we install locally to our project and other things as well,', 'start': 303.825, 'duration': 8.302}, {'end': 316.008, 'text': 'such as project details and any kind of project specific scripts.', 'start': 312.127, 'duration': 3.881}, {'end': 324.409, 'text': "Now, if you're thinking of using any kind of third party packages at all in your project, then you should definitely create a package JSON file.", 'start': 316.548, 'duration': 7.861}, {'end': 333.113, 'text': 'So we do that by coming down to the terminal and saying npm init, and this initializes us a package.json file.', 'start': 324.949, 'duration': 8.164}, {'end': 339.537, 'text': "now it's going to ask us a series of questions about our project and it gives us a default value in brackets.", 'start': 333.113, 'duration': 6.424}, {'end': 342.058, 'text': 'if we want to accept them, we can just press enter.', 'start': 339.537, 'duration': 2.521}, {'end': 344.94, 'text': 'otherwise you can override those by typing in a new one.', 'start': 342.058, 'duration': 2.882}, {'end': 350.464, 'text': "for the most part, i'm going to enter through these and just accept the default values, because they're all fine,", 'start': 344.94, 'duration': 5.524}, {'end': 352.285, 'text': 'but you could fill these in if you want to.', 'start': 350.464, 'duration': 1.821}, {'end': 357.687, 'text': "Okay, so once you've gone through that, it creates us this package.json file.", 'start': 353.085, 'duration': 4.602}], 'summary': 'Create a package.json file to manage local project packages using npm init.', 'duration': 43.874, 'max_score': 295.663, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ295663.jpg'}, {'end': 383.029, 'src': 'embed', 'start': 357.747, 'weight': 2, 'content': [{'end': 362.65, 'text': 'And by the way, you should already see a package lock.json file as well.', 'start': 357.747, 'duration': 4.903}, {'end': 370.073, 'text': 'And that file right there keeps track of the different dependency versions that we have installed in our project.', 'start': 363.29, 'duration': 6.783}, {'end': 374.138, 'text': "we don't need to go in and edit anything at all inside that file.", 'start': 370.513, 'duration': 3.625}, {'end': 380.085, 'text': 'this file right here keeps track of a few different things about our project, such as the name, the version,', 'start': 374.138, 'duration': 5.947}, {'end': 383.029, 'text': 'all of the different questions that we answered over here.', 'start': 380.085, 'duration': 2.944}], 'summary': 'The package lock.json file tracks dependency versions and project details.', 'duration': 25.282, 'max_score': 357.747, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ357747.jpg'}, {'end': 468.953, 'src': 'embed', 'start': 430.558, 'weight': 3, 'content': [{'end': 434.341, 'text': 'we can go ahead and start to install packages locally to the project.', 'start': 430.558, 'duration': 3.783}, {'end': 440.307, 'text': 'Now. these packages could be like utility libraries, date-time libraries, frameworks, et cetera,', 'start': 434.441, 'duration': 5.866}, {'end': 443.951, 'text': 'which help us implement extra features into our code and project.', 'start': 440.307, 'duration': 3.644}, {'end': 448.515, 'text': "So what I'm going to do is install a utility library called Lodash.", 'start': 444.551, 'duration': 3.964}, {'end': 457.663, 'text': 'So if we go to the NPM website and search for this Lodash right here and click on that, we should see the installation right here.', 'start': 448.935, 'duration': 8.728}, {'end': 460.646, 'text': 'So NPM I, which is short for install.', 'start': 457.743, 'duration': 2.903}, {'end': 467.112, 'text': 'So you can use this instead of the install keyword if you want to save with double dash in front of it and then Lodash.', 'start': 460.666, 'duration': 6.446}, {'end': 468.953, 'text': 'now this save flag right here.', 'start': 467.532, 'duration': 1.421}], 'summary': 'Installing lodash utility library locally using npm for project enhancements.', 'duration': 38.395, 'max_score': 430.558, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ430558.jpg'}, {'end': 579.054, 'src': 'embed', 'start': 552.691, 'weight': 4, 'content': [{'end': 562.057, 'text': "so this is keeping track of what package we are using or what packages we are using in this project, and it's saying that lodash is one of them.", 'start': 552.691, 'duration': 9.366}, {'end': 566.339, 'text': "okay, so let's go ahead and try to use lodash in our code.", 'start': 562.057, 'duration': 4.282}, {'end': 571.463, 'text': 'so in server.js, the first thing we need to do is actually require that at the top.', 'start': 566.339, 'duration': 5.124}, {'end': 579.054, 'text': "so i'm going to say const and then underscore is equal to require And we want to require Lodash.", 'start': 571.463, 'duration': 7.591}], 'summary': 'Using lodash package in the project, requiring it in server.js.', 'duration': 26.363, 'max_score': 552.691, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ552691.jpg'}, {'end': 668.807, 'src': 'embed', 'start': 637.789, 'weight': 5, 'content': [{'end': 640.53, 'text': 'low dash provides us with a utility method to do that.', 'start': 637.789, 'duration': 2.741}, {'end': 644.773, 'text': 'so i can say const num is equal to low dash dot.', 'start': 640.53, 'duration': 4.243}, {'end': 653.338, 'text': 'and then we use the random method and it can take in two arguments, and those two arguments are what we want the number to be between.', 'start': 644.773, 'duration': 8.565}, {'end': 654.239, 'text': 'so the boundaries.', 'start': 653.338, 'duration': 0.901}, {'end': 662.944, 'text': "so i could say 0 and 20, for example, and that's going to get us a random number every time this function runs, that is between 0 and 20..", 'start': 654.239, 'duration': 8.705}, {'end': 668.807, 'text': "so let's try logging up to the console, console.log, and we'll log out num okay.", 'start': 662.944, 'duration': 5.863}], 'summary': 'Using lodash to generate a random number between 0 and 20.', 'duration': 31.018, 'max_score': 637.789, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ637789.jpg'}], 'start': 295.663, 'title': 'Managing project dependencies and lodash utility methods', 'summary': 'Explains the importance of package.json in tracking project-specific packages and guides through its creation, and demonstrates the installation and usage of lodash in a node.js project, including accessing methods and using utility methods such as generating random numbers.', 'chapters': [{'end': 492.462, 'start': 295.663, 'title': 'Managing project dependencies with package.json', 'summary': 'Explains the importance of package.json file in tracking project-specific packages, scripts, and dependencies, and guides through the process of creating and managing it, including the installation of third-party packages like lodash with npm.', 'duration': 196.799, 'highlights': ['The package.json file keeps track of packages installed locally, project details, and project-specific scripts.', 'npm init initializes the creation of the package.json file, with default values provided for project details.', 'The package-lock.json file keeps track of installed dependency versions in the project.', 'The process of installing a package like Lodash with npm is outlined, including the usage of the save flag to register it in package.json.']}, {'end': 662.944, 'start': 492.462, 'title': 'Using lodash utility methods', 'summary': 'Demonstrates the installation and usage of lodash in a node.js project, including the installation process, accessing methods, and using utility methods such as generating random numbers with quantifiable data.', 'duration': 170.482, 'highlights': ['The chapter demonstrates the installation process of Lodash, the creation of the dependencies object inside the package.json file, and the automatic creation of the node modules folder when installing a local package.', "It explains the process of requiring Lodash in Node.js by using 'const underscore = require('lodash')', and describes the functionality of the node modules folder and its contents, emphasizing the common practice of using 'underscore' as the variable name for Lodash.", "It showcases the usage of Lodash utility methods by demonstrating the generation of random numbers using 'low dash dot.random' with the ability to specify boundaries.", "Quantifiable data includes the demonstration of using 'npm install' to install Lodash locally, and the example of generating random numbers between 0 and 20 using the Lodash utility method."]}], 'duration': 367.281, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ295663.jpg', 'highlights': ['The package.json file tracks installed packages and project details', 'npm init initializes package.json with default project details', 'The package-lock.json file tracks installed dependency versions', 'Demonstrates installing Lodash with npm and using save flag', "Demonstrates requiring Lodash in Node.js using 'const underscore = require('lodash')'", 'Showcases usage of Lodash utility methods for generating random numbers', "Demonstrates using 'npm install' to install Lodash locally", 'Example of generating random numbers between 0 and 20 using Lodash']}, {'end': 1007.851, 'segs': [{'end': 706.057, 'src': 'embed', 'start': 662.944, 'weight': 1, 'content': [{'end': 668.807, 'text': "so let's try logging up to the console, console.log, and we'll log out num okay.", 'start': 662.944, 'duration': 5.863}, {'end': 671.788, 'text': "so we need to run this and we're going to use nodemon to do that.", 'start': 668.807, 'duration': 2.981}, {'end': 676.131, 'text': 'so nodemon server and press enter and it crashed.', 'start': 671.788, 'duration': 4.343}, {'end': 679.332, 'text': "it says it's waiting for file changes before starting.", 'start': 676.131, 'duration': 3.201}, {'end': 682.474, 'text': "so something's not quite right and let's have a look what that error is.", 'start': 679.332, 'duration': 3.142}, {'end': 688.16, 'text': "okay, it says cannot find module load dash and that's because i misspelled it right here.", 'start': 683.234, 'duration': 4.926}, {'end': 690.823, 'text': 'it should be a low dash, not load dash.', 'start': 688.16, 'duration': 2.663}, {'end': 693.667, 'text': 'so let me save that again and come down here.', 'start': 690.823, 'duration': 2.844}, {'end': 698.132, 'text': 'notice it automatically restarts the server when we fix that error.', 'start': 693.667, 'duration': 4.465}, {'end': 705.216, 'text': "so let's go to the browser now and let's go to, for example, just forward slash and we get the home page back.", 'start': 698.132, 'duration': 7.084}, {'end': 706.057, 'text': 'everything still works.', 'start': 705.216, 'duration': 0.841}], 'summary': 'Fixed module misspelling, server restarted automatically, all functions working', 'duration': 43.113, 'max_score': 662.944, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ662944.jpg'}, {'end': 769.461, 'src': 'embed', 'start': 745.662, 'weight': 5, 'content': [{'end': 753.908, 'text': "so in front of this i'm going to say lodash dot once, which is a method in itself, and inside here, as an argument,", 'start': 745.662, 'duration': 8.246}, {'end': 758.291, 'text': 'we pass the function that we want to execute only once.', 'start': 753.908, 'duration': 4.383}, {'end': 763.916, 'text': "so now, if I call the function down here, it's going to work, but if I call it again,", 'start': 758.291, 'duration': 5.625}, {'end': 769.461, 'text': "it's not going to allow me to run it twice and we should only see this once logged to the console.", 'start': 763.916, 'duration': 5.545}], 'summary': 'Demonstrating the use of lodash dot once method to execute a function only once.', 'duration': 23.799, 'max_score': 745.662, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ745662.jpg'}, {'end': 869.561, 'src': 'embed', 'start': 837.634, 'weight': 4, 'content': [{'end': 841.077, 'text': 'I just want to send them or upload the project code that I write.', 'start': 837.634, 'duration': 3.443}, {'end': 848.084, 'text': "So if I, for example, upload all of the project code to GitHub, like I've done here for my course files,", 'start': 841.798, 'duration': 6.286}, {'end': 850.527, 'text': "then you're not going to see that node modules folder.", 'start': 848.084, 'duration': 2.443}, {'end': 851.988, 'text': "And typically people won't do this.", 'start': 850.567, 'duration': 1.421}, {'end': 854.751, 'text': "They won't upload the node modules folder.", 'start': 852.028, 'duration': 2.723}, {'end': 863.897, 'text': 'so if I was to download this code by going over here and then clicking on download zip, if I unzip that folder, then open it up in a text editor,', 'start': 855.191, 'duration': 8.706}, {'end': 869.561, 'text': "I'm not going to see this node modules folder and it's going to look something like this if I right click and delete it,", 'start': 863.897, 'duration': 5.664}], 'summary': 'Uploading project code to github excludes the node modules folder, making it easier to share and manage the code.', 'duration': 31.927, 'max_score': 837.634, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ837634.jpg'}, {'end': 917.47, 'src': 'embed', 'start': 876.943, 'weight': 0, 'content': [{'end': 879.524, 'text': "Nodemon server, then I'm going to get an error.", 'start': 876.943, 'duration': 2.581}, {'end': 883.305, 'text': "And that's because it cannot find this module Lodash.", 'start': 880.064, 'duration': 3.241}, {'end': 886.566, 'text': "And we're trying to use that right here inside the server file.", 'start': 883.725, 'duration': 2.841}, {'end': 893.007, 'text': "And if we were trying to use other packages as well, because we don't have the node modules folder where all of those packages live,", 'start': 886.946, 'duration': 6.061}, {'end': 895.729, 'text': "it's going to error because of those as well.", 'start': 893.747, 'duration': 1.982}, {'end': 898.272, 'text': "so we can't run this at the minute.", 'start': 895.729, 'duration': 2.543}, {'end': 903.357, 'text': 'first of all, we have to install all of the different packages that this project uses now.', 'start': 898.272, 'duration': 5.085}, {'end': 909.182, 'text': 'remember, they are listed inside this package.json file right here under dependencies.', 'start': 903.357, 'duration': 5.825}, {'end': 915.328, 'text': 'so we know the different packages that we need to install, and there could be four or five or even more here.', 'start': 909.182, 'duration': 6.146}, {'end': 917.47, 'text': "so we'd have to install all of them now.", 'start': 915.328, 'duration': 2.142}], 'summary': 'Nodemon server errors due to missing lodash module, needs installation of several dependencies listed in package.json.', 'duration': 40.527, 'max_score': 876.943, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ876943.jpg'}], 'start': 662.944, 'title': 'Debugging with nodemon and using third-party packages with node', 'summary': 'Demonstrates using nodemon for automatic server restart, fixing module error, and verifying server functionality, resulting in successful server restart. it also covers the usage of third-party packages with node, including examples of using lodash to execute a function once, sharing project code with npm and package.json, and installing dependencies using npm.', 'chapters': [{'end': 706.057, 'start': 662.944, 'title': 'Debugging with nodemon', 'summary': 'Demonstrates using nodemon for automatic server restart, fixing a module error, and verifying the server functionality, resulting in successful server restart and functionality check.', 'duration': 43.113, 'highlights': ['Nodemon automatically restarts the server when an error is fixed, ensuring smooth server operation.', "The module error 'cannot find module load dash' is due to a misspelling, and it should be 'lodash', not 'load dash'.", "Logging 'num' to the console using console.log and running the server using nodemon resulted in a crash, prompting the need for debugging."]}, {'end': 1007.851, 'start': 706.057, 'title': 'Using third-party packages with node', 'summary': 'Covers the usage of third-party packages with node, including examples of using lodash to execute a function once, the ease of sharing project code with npm and package.json, and the process of installing dependencies using npm.', 'duration': 301.794, 'highlights': ['Installing dependencies using npm install', 'Sharing project code without node modules folder', 'Using lodash to execute a function once']}], 'duration': 344.907, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/bdHE2wHT-gQ/pics/bdHE2wHT-gQ662944.jpg', 'highlights': ['Nodemon automatically restarts the server when an error is fixed, ensuring smooth server operation.', "The module error 'cannot find module load dash' is due to a misspelling, and it should be 'lodash', not 'load dash'.", "Logging 'num' to the console using console.log and running the server using nodemon resulted in a crash, prompting the need for debugging.", 'Installing dependencies using npm install', 'Sharing project code without node modules folder', 'Using lodash to execute a function once']}], 'highlights': ['Nodemon speeds up development by eliminating manual server restarts.', 'Nodemon automatically restarts the server when an error is fixed, ensuring smooth server operation.', 'NPM is used to install, update, or remove Node packages.', 'The package.json file tracks installed packages and project details', 'Demonstrates installing Lodash with npm and using save flag', 'Users can search for packages like lodash and nodemon on npm.js.com.', 'Demonstration of using Nodemon to automatically restart the server upon code changes.', 'Nodemon automatically restarts the server upon file changes, eliminating manual restarts.', 'npm init initializes package.json with default project details', "The module error 'cannot find module load dash' is due to a misspelling, and it should be 'lodash', not 'load dash'.", "Logging 'num' to the console using console.log and running the server using nodemon resulted in a crash, prompting the need for debugging.", 'Installation of Nodemon globally using npm for automatic server restart across projects.', 'The package-lock.json file tracks installed dependency versions', 'Showcases usage of Lodash utility methods for generating random numbers', "Demonstrates requiring Lodash in Node.js using 'const underscore = require('lodash')'", 'Using lodash to execute a function once', 'Example of generating random numbers between 0 and 20 using Lodash', 'Installing dependencies using npm install', 'Sharing project code without node modules folder']}