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eslang

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eslang - npm Package Compare versions

Comparing version

1.0.22
to
1.0.23

2

package.json
{
"name": "eslang",
"version": "1.0.22",
"version": "1.0.23",
"author": {

@@ -5,0 +5,0 @@ "email": "leevi@nirlstudio.com",

128

README.md
# Espresso Script Language - eslang
### A simple & expressive script language, which is inspired by Lisp, Python, JavaScript and many other great languages.
## A simple & expressive script language, which is inspired by Lisp, Python, JavaScript and many other great languages.
```lisp

@@ -14,3 +14,3 @@ print "Hello, world!";

# Try it online
### [Espresso Web Shell](https://eslang.dev)
## [Espresso Web Shell](https://eslang.dev)
```lisp

@@ -40,21 +40,24 @@ help; # for help.

# display item no. for counting
.loader list "examples/":: for-each (= (item, no.) (print '#$(no.), $(item 0)');
# or use the for loop
for (.loader list "examples/") (print (_ 0);
# display path only
.loader list "examples/":: for-each (= (item, no.) (print '#$(no.),', (var url (item 0):: slice (url first-of "examples/");
# add some decoration
for (.loader list "examples/") (printf (_ 0), "blue underline") (printf '# $(_ 1)\n', "gray");
# Q: What's happening?
var print-examples (=>:() (var examples (.loader list "examples/")) (=> pattern (examples for-each (=> (item, no.) (print (string format (pattern ?* "{0}, {1}, {2}"), no., (item 0), (item 1);
# or better formatted as
(for (.loader list "examples/")
printf (_ 0), "blue underline";
printf '# $(_ 1)\n', "gray";
).
# As a hint, here's a (more) friendly version.
(var print-examples (=>:()
var examples (.loader list "examples/");
(=> pattern
(examples for-each (=> (item, no.)
print (string format (pattern ?* "{0}, {1}, {2}"), no., (item 0), (item 1);
# or use explicit variable name
(for (item, no.) in (.loader list "examples/")
printf '$no. ', "bold";
printf (item 0), "blue underline";
printf '# $(item 1)\n', "gray";
).
# You may also want to check
print print-examples;
# with some stylish helpers
var * (import "es/styles");
for (.loader list "examples/") (blue underline (_ 0))(gray '# $(_ 1)\n');

@@ -72,12 +75,19 @@ # Finally, the Y-combinator in Espresso

### run an example, or your own code:
## run an example, or your own code:
```shell
es examples/qsort1
# or run the example test suite
es test examples/test
# or just
es test examples
```
### REPL in terminal:
## REPL in terminal:
```shell
es
```
### You can do [almost the same things](#try-it-online) after calling
## You can do [almost the same things](#try-it-online) after calling
```lisp

@@ -87,3 +97,3 @@ fetch "https://eslang.dev/@";

# or try
fetch "https://eslang.dev/@":: finally (=>() (.loader list:: for-each print);
fetch "https://eslang.dev/@":: finally (=>() (for (.loader list) (print (_ 0);
```

@@ -94,3 +104,3 @@

```shell
npm i --save eslang
> npm i --save eslang
```

@@ -104,6 +114,9 @@

### use [es-npm](https://www.npmjs.com/package/@eslang/es-npm) to create projects
```shell
npm i -g @eslang/es-npm
es-npm
### due to the re-design, the new ES package management tool, esp, will come soon
The new ES package/module system is fully de-centralized. It only depends on any public or your own git server. Of course, you can still use any npm package as easy as, e.g.
```lisp
var axios (import "$axios");
# and of course, any node core package, e.g.
var fs (import "$fs");
```

@@ -113,12 +126,15 @@

```shell
git clone https://github.com/NirlStudio/eslang.git
cd eslang
# download the code
> git clone https://github.com/NirlStudio/eslang.git
> cd eslang
npm install
npm test
# setup development environment.
> npm install
> npm test
bin/es
# run local version.
> bin/es
# or, start the local web shell
npm run build & npm start
npm npm start
```

@@ -129,3 +145,5 @@

In Extensions sidebar, search for **eslang**
note: new language server is under development and will be implemented by ES itself.
### Atom Plugin

@@ -137,3 +155,48 @@ [*language-espresso*](https://github.com/NirlStudio/language-espresso)

# You can help to
# Why it's created? A very long story ...
Profoundly, it's motivated by the thinking of simplicity vs. complexity. After that, it came up with something more solid to be suitable for some kind of self-evolution general AI. So it tries some totally different programming language design philosophies.
## Some principles
### Simpler is better.
- Don't reinvent the wheel.
- Don't try to solve the unsolvable part of a problem.
### No error, raise warnings to the worst situation.
- No syntax error. It's purposed to compare its design with the structures of natural languages. In some future, with a AI-backed sematic processor, more annoying punctuations may be skipped.
Above all the sweetener and/or mess, there's only two type of statement:
```lisp
(subject predicate object[s])
# or its imperative form
(command object[s])
```
_note: As an extreme example, it's in serious consideration to render symbols by their parts of speech instead of type._
- All statements (all pieces of free texts) will be evaluated and give a result. Of course, a piece of code written by a lovely monkey will very likely be evaluated to nothing/null. But who knows.
_note: Not all our DNA fragments are useful. But again, who knows._
_note: Actually, in the real world, a program breaks because we make it so, but it ultimately become to break unnecessarily.
### Keep backward compatibility, as possible as you, the honorable creator, can.
- If it changed, it's different. Probably it should bear a new name instead of a different version number.
- If some software patrons choose to use old applications for decades, they should be allowed to do it. Probably hundreds of years make sense too.
## Some tips for ES lang patrons
### - Look for what you need, ignore what you do not understand.
### - Do what you can do anywhere and anytime.
### - Use convention over restriction. So it can be broken in a clean way, not an ugly way, when someone have to.
### - Consider types as a kind information to help to optimise, not to restrict.
## You can use it to
### create both you backend and frontend applications.
### build your own programming lang or just create a different dialect, e.g: make it fully localized to your own language.
## You can help to
### - Test it in various OSes and browsers.

@@ -149,2 +212,3 @@ ### - Use it in your projects.

**Enjoy the Espresso.**