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feat(): Begin implementing class 'This'

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This commit is contained in:
Chris Daßler 2024-06-29 11:11:48 +02:00
parent a2674bfa0e
commit 94cc6816d5
8 changed files with 249 additions and 109 deletions
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38
myUpdateSubCommand
View File

@ -1,19 +1,31 @@
#!/usr/bin/env node #!/usr/bin/env node
const This = require('./this');
const shell = require('shelljs'); const shell = require('shelljs');
// 1) Use shell object with its methods class MyUpdateSubCommand extends This {
if (!shell.which('git')) { constructor() {
shell.echo('Sorry, this script requires git'); super();
shell.exit(1); this.version = '0.0.1';
}
start() {
// Usage
const myUpdateSubCommand = new MyUpdateSubCommand();
// Output: Methods of ExampleClass: [ 'methodOne', 'methodTwo' ]
// Properties of ExampleClass: [ 'propertyOne', 'propertyTwo', 'version' ] and Version: 1.1.0
// myUpdateSubCommand.discovery();
if (!shell.which('git')) {
shell.echo('Sorry, this script requires git');
shell.exit(1);
} else {
shell.echo('Woohoo! You have git installed!');
shell.exit(0);
}
}
} }
// 2) or the following 'with' statement to specify that the `shell` object is the default object. // main
// The statements following the with statement refer to the echo methods, without specifying const myUpdateSubCommand = new MyUpdateSubCommand();
// an object. JavaScript assumes the `shell` object for these references. myUpdateSubCommand.start();
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/with
with (shell) {
echo('hello world');
echo('-n', 'no newline at end -> ');
let str = echo('hello world');
}

66
pm
View File

@ -1,7 +1,7 @@
#!/usr/bin/env node #!/usr/bin/env node
const path = require('path'); const This = require('./this');
const { Command } = require('commander'); const {Command} = require('commander');
const program = new Command(); const program = new Command();
// Example of subcommands which are implemented as stand-alone executable files. // Example of subcommands which are implemented as stand-alone executable files.
@ -10,28 +10,46 @@ const program = new Command();
// this tells Commander that you're going to use a stand-alone executable for the subcommand. // this tells Commander that you're going to use a stand-alone executable for the subcommand.
// //
// Only `install` and `list` are implemented, see pm-install and pm-list.js // Only `install` and `list` are implemented, see pm-install and pm-list.js
class Pm extends This {
constructor() {
super();
this.version = '0.0.1';
}
program start() {
.name(path.parse(process.argv[1]).base) // Usage
.version('0.0.1') const pm = new Pm();
.description('Fake package manager') // Output: Methods of ExampleClass: [ 'methodOne', 'methodTwo' ]
.command('install [name]', 'install one or more packages') // Properties of ExampleClass: [ 'propertyOne', 'propertyTwo', 'version' ] and Version: 1.1.0
.alias('i') // pm.discovery();
.command('search [query]', 'search with optional query')
.alias('s')
.command('update', 'update installed packages', {
executableFile: 'myUpdateSubCommand',
})
.command('list', 'list packages installed', { isDefault: false });
program.parse(); program
.name(this.scriptName)
.version('0.0.1')
.description('Fake package manager')
.command('install [name]', 'install one or more packages')
.alias('i')
.command('search [query]', 'search with optional query')
.alias('s')
.command('update', 'update installed packages', {
executableFile: 'myUpdateSubCommand',
})
.command('list', 'list packages installed', {isDefault: false});
// Try the following on macOS or Linux: program.parse();
// ./examples/pm
// // Try the following on macOS or Linux:
// Try the following: // ./examples/pm
// ./pm //
// ./pm help install // Try the following:
// ./pm install -h // ./pm
// ./pm install foo bar baz // ./pm help install
// ./pm install foo bar baz --force // ./pm install -h
// ./pm install foo bar baz
// ./pm install foo bar baz --force
}
}
// main
const pm = new Pm();
pm.start();

85
pm-install
View File

@ -1,42 +1,61 @@
#!/usr/bin/env node #!/usr/bin/env node
const path = require('path'); const This = require('./this');
const { Command } = require('commander'); const {Command} = require('commander');
const program = new Command(); const program = new Command();
const errorColor = (str) => { const errorColor = (str) => {
// Add ANSI escape codes to display text in red. // Add ANSI escape codes to display text in red.
return `\x1b[31m${str}\x1b[0m`; return `\x1b[31m${str}\x1b[0m`;
};
class PmInstall extends This {
constructor() {
super();
this.version = '0.0.1';
}
start() {
// Usage
const pmInstall = new PmInstall();
// Output: Methods of ExampleClass: [ 'methodOne', 'methodTwo' ]
// Properties of ExampleClass: [ 'propertyOne', 'propertyTwo', 'version' ] and Version: 1.1.0
pmInstall.discovery();
program
.name(this.scriptName)
.version('0.0.1')
.description('Install package with fake package manager')
.usage('-n 3 32 -l x y z -- op')
.configureOutput({
// Visibly override write routines as example!
//writeOut: (str) => process.stdout.write(`[OUT] ${str}`),
writeErr: (str) => process.stdout.write(`[ERR] ${str}`),
// Highlight errors in color.
outputError: (str, write) => write(errorColor(str)),
});
program
.option('-n, --number <numbers...>', 'specify numbers')
.option('-l, --letter [letters...]', 'specify letters')
.parse();
// console.log('options array');
// console.log(program.options.map(o => o.flags));
// console.log('visible options');
// const helper = program.createHelp();
// console.log(helper.visibleOptions(program).map(o => o.flags));
if (Object.keys(program.opts()).length || program.args.length) {
console.log('Options: ', program.opts());
console.log('Remaining arguments: ', program.args);
} else {
program.outputHelp();
}
}
} }
program // main
.name(path.parse(process.argv[1]).base) const pmInstall = new PmInstall();
.version('0.0.1') pmInstall.start();
.description('Install package with fake package manager')
.usage("-n 3 32 -l x y z -- op")
.configureOutput({
// Visibly override write routines as example!
//writeOut: (str) => process.stdout.write(`[OUT] ${str}`),
writeErr: (str) => process.stdout.write(`[ERR] ${str}`),
// Highlight errors in color.
outputError: (str, write) => write(errorColor(str))
});
program
.option('-n, --number <numbers...>', 'specify numbers')
.option('-l, --letter [letters...]', 'specify letters')
.parse();
// console.log('options array');
// console.log(program.options.map(o => o.flags));
// console.log('visible options');
// const helper = program.createHelp();
// console.log(helper.visibleOptions(program).map(o => o.flags));
if (Object.keys(program.opts()).length || program.args.length) {
console.log('Options: ', program.opts());
console.log('Remaining arguments: ', program.args);
} else {
program.outputHelp();
}

29
pm-list
View File

@ -1,11 +1,26 @@
#!/usr/bin/env node #!/usr/bin/env node
const path = require('path'); const This = require('./this');
const { Command } = require('commander'); const {Command} = require('commander');
const program = new Command(); const program = new Command();
program class PmList extends This {
.name(path.parse(process.argv[1]).base) constructor() {
.version('0.0.1') super();
.description('List packages of fake package manager') this.version = '0.0.1';
.outputHelp(); }
start() {
// Usage
const pmList = new PmList();
// Output: Methods of ExampleClass: [ 'methodOne', 'methodTwo' ]
// Properties of ExampleClass: [ 'propertyOne', 'propertyTwo', 'version' ] and Version: 1.1.0
// pmList.discovery();
program.name(this.scriptName).version('0.0.1').description('List packages of fake package manager').outputHelp();
}
}
// main
const pmList = new PmList();
pmList.start();

29
pm-search
View File

@ -1,11 +1,26 @@
#!/usr/bin/env node #!/usr/bin/env node
const path = require('path'); const This = require('./this');
const { Command } = require('commander'); const {Command} = require('commander');
const program = new Command(); const program = new Command();
program class PmSearch extends This {
.name(path.parse(process.argv[1]).base) constructor() {
.version('0.0.1') super();
.description('Search packages of fake package manager') this.version = '0.0.1';
.outputHelp(); }
start() {
// Usage
const pmSearch = new PmSearch();
// Output: Methods of ExampleClass: [ 'methodOne', 'methodTwo' ]
// Properties of ExampleClass: [ 'propertyOne', 'propertyTwo', 'version' ] and Version: 1.1.0
// pmSearch.discovery();
program.name(this.scriptName).version('0.0.1').description('Search packages of fake package manager').outputHelp();
}
}
// main
const pmSearch = new PmSearch();
pmSearch.start();

70
pnpm-lock.yaml
View File

@ -21,37 +21,43 @@ devDependencies:
version: 3.3.2 version: 3.3.2
packages: packages:
/balanced-match@1.0.2: /balanced-match@1.0.2:
resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==} resolution:
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dev: false dev: false
/brace-expansion@1.1.11: /brace-expansion@1.1.11:
resolution: {integrity: sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==} resolution:
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dependencies: dependencies:
balanced-match: 1.0.2 balanced-match: 1.0.2
concat-map: 0.0.1 concat-map: 0.0.1
dev: false dev: false
/commander@12.1.0: /commander@12.1.0:
resolution: {integrity: sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA==} resolution:
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engines: {node: '>=18'} engines: {node: '>=18'}
dev: false dev: false
/concat-map@0.0.1: /concat-map@0.0.1:
resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==} resolution:
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dev: false dev: false
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dev: false dev: false
/function-bind@1.1.2: /function-bind@1.1.2:
resolution: {integrity: sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==} resolution:
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dev: false dev: false
/glob@7.2.3: /glob@7.2.3:
resolution: {integrity: sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==} resolution:
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deprecated: Glob versions prior to v9 are no longer supported deprecated: Glob versions prior to v9 are no longer supported
dependencies: dependencies:
fs.realpath: 1.0.0 fs.realpath: 1.0.0
@ -63,14 +69,16 @@ packages:
dev: false dev: false
/hasown@2.0.2: /hasown@2.0.2:
resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==} resolution:
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engines: {node: '>= 0.4'} engines: {node: '>= 0.4'}
dependencies: dependencies:
function-bind: 1.1.2 function-bind: 1.1.2
dev: false dev: false
/inflight@1.0.6: /inflight@1.0.6:
resolution: {integrity: sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==} resolution:
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deprecated: This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful. deprecated: This module is not supported, and leaks memory. Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.
dependencies: dependencies:
once: 1.4.0 once: 1.4.0
@ -78,62 +86,73 @@ packages:
dev: false dev: false
/inherits@2.0.4: /inherits@2.0.4:
resolution: {integrity: sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==} resolution:
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dev: false dev: false
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engines: {node: '>= 0.10'} engines: {node: '>= 0.10'}
dev: false dev: false
/is-core-module@2.14.0: /is-core-module@2.14.0:
resolution: {integrity: sha512-a5dFJih5ZLYlRtDc0dZWP7RiKr6xIKzmn/oAYCDvdLThadVgyJwlaoQPmRtMSpz+rk0OGAgIu+TcM9HUF0fk1A==} resolution:
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engines: {node: '>= 0.4'} engines: {node: '>= 0.4'}
dependencies: dependencies:
hasown: 2.0.2 hasown: 2.0.2
dev: false dev: false
/minimatch@3.1.2: /minimatch@3.1.2:
resolution: {integrity: sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==} resolution:
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dependencies: dependencies:
brace-expansion: 1.1.11 brace-expansion: 1.1.11
dev: false dev: false
/omelette@0.4.17: /omelette@0.4.17:
resolution: {integrity: sha512-UlU69G6Bhu0XFjw3tjFZ0qyiMUjAOR+rdzblA1nLQ8xiqFtxOVlkhM39BlgTpLFx9fxkm6rnxNNRsS5GxE/yww==} resolution:
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engines: {node: '>=0.8.0'} engines: {node: '>=0.8.0'}
dev: false dev: false
/once@1.4.0: /once@1.4.0:
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dependencies: dependencies:
wrappy: 1.0.2 wrappy: 1.0.2
dev: false dev: false
/path-is-absolute@1.0.1: /path-is-absolute@1.0.1:
resolution: {integrity: sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==} resolution:
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engines: {node: '>=0.10.0'} engines: {node: '>=0.10.0'}
dev: false dev: false
/path-parse@1.0.7: /path-parse@1.0.7:
resolution: {integrity: sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==} resolution:
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dev: false dev: false
/prettier@3.3.2: /prettier@3.3.2:
resolution: {integrity: sha512-rAVeHYMcv8ATV5d508CFdn+8/pHPpXeIid1DdrPwXnaAdH7cqjVbpJaT5eq4yRAFU/lsbwYwSF/n5iNrdJHPQA==} resolution:
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engines: {node: '>=14'} engines: {node: '>=14'}
hasBin: true hasBin: true
dev: true dev: true
/rechoir@0.6.2: /rechoir@0.6.2:
resolution: {integrity: sha512-HFM8rkZ+i3zrV+4LQjwQ0W+ez98pApMGM3HUrN04j3CqzPOzl9nmP15Y8YXNm8QHGv/eacOVEjqhmWpkRV0NAw==} resolution:
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engines: {node: '>= 0.10'} engines: {node: '>= 0.10'}
dependencies: dependencies:
resolve: 1.22.8 resolve: 1.22.8
dev: false dev: false
/resolve@1.22.8: /resolve@1.22.8:
resolution: {integrity: sha512-oKWePCxqpd6FlLvGV1VU0x7bkPmmCNolxzjMf4NczoDnQcIWrAF+cPtZn5i6n+RfD2d9i0tzpKnG6Yk168yIyw==} resolution:
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hasBin: true hasBin: true
dependencies: dependencies:
is-core-module: 2.14.0 is-core-module: 2.14.0
@ -142,7 +161,8 @@ packages:
dev: false dev: false
/shelljs@0.8.5: /shelljs@0.8.5:
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engines: {node: '>=4'} engines: {node: '>=4'}
hasBin: true hasBin: true
dependencies: dependencies:
@ -152,10 +172,12 @@ packages:
dev: false dev: false
/supports-preserve-symlinks-flag@1.0.0: /supports-preserve-symlinks-flag@1.0.0:
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engines: {node: '>= 0.4'} engines: {node: '>= 0.4'}
dev: false dev: false
/wrappy@1.0.2: /wrappy@1.0.2:
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dev: false dev: false

39
this Normal file
View File

@ -0,0 +1,39 @@
#!/usr/bin/env node
const path = require('path');
class This {
constructor() {
this.version = '0.0.1'; // Default version, can be overridden in subclasses
this.scriptName = path.parse(process.argv[1]).base;
}
getClassName() {
return this.constructor.name;
}
listMethods() {
const methods = Object.getOwnPropertyNames(Object.getPrototypeOf(this)).filter(
(prop) => typeof this[prop] === 'function' && prop !== 'constructor' && !prop.startsWith('_')
);
return methods;
}
listProperties() {
const properties = Object.keys(this).filter((prop) => typeof this[prop] !== 'function');
return properties;
}
discovery() {
console.log(`My name is '${this.getClassName()}' and I have the version: ${this.version}`);
console.log(`My methods are:`, this.listMethods());
console.log(`My properties are:`, this.listProperties());
}
// Method to create a context manager for this instance
withContext(callback) {
callback(this);
}
}
module.exports = This;