1.0.0-beta.19

Breaking

• change get-environment-variables and get-environment-variable returns nil and undefined in the browser
• true, false, and NaN are no longer parser constants #292
• get rid of node polyfills from output files
• eval use interaction-environment stead of current-environment by default
• remove support for string argument to read #327
• make null falsy value #330
• remove nil parser constant #332
• replace undefined with #void, and null with #null
• characters are again unboxed into strings by JavaScript code #329
• code that throw exception now return exit code 1
• change order of arguments in take
• (type #void) (JavaScript undefined) is now void

Features

• add vector-for-each and vector-copy! function from R7RS
• add string-for-each, string-downcase, and string-upcase from R7RS
• add typecheck-number function
• add char-foldcase and string-foldcase functions
• add list-set! and nth-pair functions
• add SRFI-61, SRFI-139, and SRFI-210
• add continuations? function
• add iterator->array function
• add immutable strings as in R7RS spec #285
• add R7RS char<...>? and string<...>? functions #298
• improve syntax-rule exception message (appending macro code)
• update log to accept two arguments #301
• allow to use data-bootstrap attribute on script tags
• make atan work for complex numbers
• save error logs in home dir
• add timestamp to error logs
• make +inf.0 and -inf.0 parser constants
• add zip procedure (inspired by Lodash)
• add with-input-from-string and read-all #327
• add #!fold-case and #!no-fold-case directives #342
• add drop procedure
• allow to use unquoted symbols in --> to get the function
• add regex procedure (rename from %r used in bootstrap.scm)
• support unterminated strings in REPL #280
• expose parser and lexer instance from syntax extensions #308

Bugfix

• fix let-values to allow binding to list #281
• fix wrong strings in string-fill!
• fix string-set! to mutate the string and work on any expression
• fix tokenizing regex that ends with hash
• fix bookmark on SRFI-210 document #287
• fix syntax-rules in macro define-value #290
• fix indentation of let-values
• various fixes to syntax-rules
• fix procedure? to return true for continuations
• fix lips --help screen
• fix cond-expand to skip not-matched symbols
• fix shadowing syntax-rules identifiers with let #291
• fix nested syntax rules with symbols after nested ellipsis
• fix Dark Mode colors and scrolling of the page when using Bookmarklet on English Wikipedia
• remove dependencies on cond from --> macro so you can use use --> inside cond
• fix handling of recursive flatten syntax-rules macro #304
• fix syntax-rules macro that manipulate code (see tests/syntax.scm and undswap macro)
• fix (read) in the Web REPL
• fix Node REPL with npm install #305
• fix formatting syntax-rules
• improve floating point representation and parsing
• fix bookmark when hovering over boolean values
• fix quoted cycle in REPL #313
• fix set-repr! on base class #314
• fix repr of delay expressions #315
• fix try..catch #317
• fix handling ^ and $ syntax extension #318
• fix mixed values in let*-values #322
• fix do macro #324
• fix string->number that leads to NaN #326
• fix unintentional unboxing in iterator->array #328
• fix replace with async lambda #319
• fix values without arguments #331
• improve working of REPL in Emacs
• fix (expt +i +i)
• fix let with duplicated variables #335
• fix escape ellipsis in syntax-rules #334
• fix parsing inexact complex without real part and inexact->exact procedure #340
• fix Petrofsky let #341
• fix repr of cycles
• fix parsing regex that have escaped open bracket
• fix parsing quotation without data
• fix reading syntax-extensions from input ports
• fix parsing syntax-extensions that start with #f or #t #343
• fix repr of curried function (output of curry)

1.0.0-beta.18.1

• NPM technical release

1.0.0-beta.18

Breaking

• change undocumented arguments to lips.exec into an object
• change default export into named exports in ES Module

Features

• add R7RS guard macro
• add R7RS parameterize and make-parameter
• add shuffle function
• add support to ES Modules #254
• add support for (scheme-report-environment 7)
• add a way to compare custom instances with equal? #270
• add support for equal? on records #273
• expose lips.set_fs function #256

Bugfix

• remove evaluating of async list data as first argument
• fix number->string for binary numbers
• fix macro expand on let with more than one binding
• fix shallow list->array
• fix resolving promises inside quoted promise realm
• fix undocumented symbol syntax extensions
• fix odd? even? on non integers
• fix object literals with null value #264
• fix version and date in executable #261
• fix error on extra close parenthesis #263
• fix scheme-report-environment #268
• fix writing to binary ports
• fix unboxing object literals
• throw error on comparing complex numbers #248
• make integer? works for normal native numbers
• fix parsing newline character literal
• fix reading local files in browser #276
• fix parsing invalid expression (1 . 2 3) #245
• fix invalid error message for not matched syntax-rules #243
• fix silent error when class don't have parent #272
• fix try..catch #163

1.0.0-beta.17.1

• NPM technical release

1.0.0-beta.17

Breaking

• chars are now not automatically unboxed to strings #233

Features

• make bookmark REPL dockable #205
• make Strings iterators that return characters
• improve object literals #237
• better error message with exception on invalid string literal
• add non-standard with-input-from-string function

Bugfix

• fix using performance object for older version of Node
• fixing escaped symbols in CodeMirror
• fix parsing strings #193
• add proper error message to --> macro #200
• fix performance.timeOrigin on Node 12 #207
• fix string->list to handle longer code points
• fix numerator and denominator #213
• fix Map object repr
• fix parsing regular expressions #238
• fix exception when syntax-rule macro contain undefined
• fix REPL clearing stdin when using read-line #253
• add proper handling of Paste Brackets mode in REPL for NodeJS

1.0.0-beta.16

Breaking

• replace get-script with get-resource that work in Node and in browser and allows to load CSS

Features

• add object->alist, command-line, and symbol-append procedures
• add SRFI: 193
• add get-environment-variable and get-environment-variables
• improve bootstrapping by using same URL of the script if possible
• add set-global! macro
• add current-second, current-jiffy, and jiffies-per-second procedures

Bugfix

• fix async script execution in browser #190
• fix type of process.env
• fix module load path when load scripts from Node.js
• fix bug in quasiquote and unquote-splicing #194
• fix inexact->exact on integers #199
• throw error on missing parentheses #198

1.0.0-beta.15

Breaking

• bootstrap URL now require full url to the file with standard library

Features

• improve performance of ** operator when JS support exponential operator
• add alias for string-join and string-split
• lists are now iterators
• add optional => syntax to cond macro (as per R7RS)
• make undefined parser constant
• compile into binary CBOR format with LZJB compression
• add support for log of complex, rational, and negative numbers
• allow to define shorthand object literals #185
• add Buffered Output Port and flush-output function

Bugfix

• fix scoping issue in nested syntax-rules
• fix repr of object that have space in key
• property throw error when name is used without ellipsis
• fix using dot notation inside syntax-rules macros
• typecheck string->symbol and symbol->string
• fix parent.frame inside Intepreter
• fix eval without env
• fix quote as delimiter
• fix comma dot as two tokens
• fix printing symbols that have brackets or quotes
• fix resolving dot notation (e.g. lips.LComplex.prototype.modulus)
• fix repr of native type prototypes (e.g. LComplex)
• fix using prototypes inside objects (e.g. (object :foo Number.prototype))
• fix sqrt of rational where numerator or denominator is float
• fix sqrt of negative real that are like integers #175
• fix boxing NaN value
• fix length of nil
• fix trimming spaces in Env::set
• fix repr of symbols with impossible characters created with string->symbol
• fix eqv? on same pairs
• fix abs on inexact numbers that can be represented as integers #181
• fix extra newline when calling print in browser #186

1.0.0-beta.14

Breaking

• remove zip function that just (map list l1 l2 ...)
• raise now throws object as is (just like JS throw keyword)
• error now throws LipsError exception as per R7RS

Features

• R7RS datum labels
• allow to use set-repr! on records (record type name is now a class)
• match function return #f instead of nil when fail to match (so it work in cond or if)
• new functions complement, always, once, flip, unfold (inspired by Ramda)
• add codemirror hits for std lib symbols
• experimental compiler to JSON (not 100% ready)
• add support for exp on complex numbers
• add R7RS error-object?, error-object-message and error-object-irritants
• make NaN, null and undefined parser constants
• return proper repr of instances of define-class

Bugfix

• fix set-repr! on classes
• fix conflict with jQuery plugns in bookmark
• fix swallowing errors when printing values in Node REPL
• fix mixed quoted and normal promises in let binding #154
• fix problem were await affect quoted promise in macros (e.g. begin) #153
• typecheck second argument to set-obj!
• fix case macro (use implementation from R7RS Errata)
• fix async constructor in define-class
• fix methods with improper lists in define-class
• fix null inside quasiquote

1.0.0-beta.12

Breaking

• env and dir now returns symbols instead of strings
• repr and type of quoted promises now return #<promise> and promise
• numbers and characters properties are immutable

Features

• create minfied std scheme file for faster bootstrap
• add list-copy
• add define-record-type
• add escape-regex function
• make apropos accept symbol as argument
• add doc strings for **interaction-environment** and **internal-env**
• add letrec* that in LIPS is exactly the same as letrec
• add pragma->sxml macro that define sxml macro (default is h)
• hide fs in internal env
• automatic bootstrapping of fs with BrowserFS if exists
• pprint in both REPLs now print in color #33
• add nan?, infinite? and finite? functions
• add +nan.0 and -nan.0 (R7RS)
• properly handle negative inexact zero
• new environment? function
• add current-directory and set-... from SRFI-170
• add gensym literals (e.g. #:foo)
• fix pretty print of different cases of let
• add binary input/output procedures from R7RS
• update vector functions that in R7RS get start and end arguments
• add state props and better repr to quotedPromise

Bugfix

• fix prism highlighting of names (for new context help)
• fix error when using help in node REPL and there are no doc string
• fix escaping regex operators when using string with apropos
• fix typechecking of number operators #128
• fix indent of call-with- (input-file, output-file and port)
• fix eq? and type of NaN #130
• fix number predicates
• fix real-part function
• fix parsing complex with 0 inexact imaginary part
• fix option -t --trace in Node REPL
• fix eqv? on exact and inexact numbers according to R7RS spec
• fix exact->inexact on complex numbers
• fix arithmetic with single complex value
• fix parsing regex that have escape slash and parenthesis (#/( \\/)/g)
• fix parsing regex that have single slash in class brackets (#/\/[^/]+$/)
• fix division on single argument (now (/ n) == (/ 1 n))
• fix complex operation that result in real (e.g. multiplication over conjugation)
• fix list-ref according to R7RS errata
• fix formatter (pretty print) on multiline strings and atoms
• fix formatter indent of let*
• fix repr of vectors (arrays with empty value)
• fix promise quotation of object macro call #139
• fix unquote-splicing inside direct quasiquote vector #140

1.0.0-beta.11

Breaking

• remove repr of HTMLElement (it's now default instance of a class)
• regular expressions are now prefixed with hash like in Gauche e.g. #/foo/

Features

• add support for quasiquote on objects and vectors
• interning symbols mechanism #106
• new macro quoted-promise, syntax '> #54
• new function await that return original promise from QuotedPromise
• bytevector functions (R7RS)
• improve detecting and repr of iterators
• add eof variable to global env
• add apropos function
• new incremental Lexer that allow to modify parser while it's running
• add SRFI-10 sharp-comma
• new syntax try..catch..finally
• new parallel list* macro
• new scheme-report-environment function (R5RS)
• update ** to work on negative numbers

Bugfix

• fix resolving promises on vectors and objects
• fix context in methods of plain objects #103
• fix equal? on typed arrays
• fix detecting user repr (when object is subclass)
• fix calling port methods (e.g. calling get-output-string function)
• fix prism highlighting of multiple regular expression
• fix parsing chars for Unicode outside of BMP
• fix when try..catch is promise that rejects and catch throws
• fix resolving promises when apply function they are not executed in sequentially
• fix eval builtin function to evaluate everything