bread-n-butter - npm Package Compare versions

Comparing version 0.3.0 to 0.4.0

CHANGELOG.md

@@ -8,2 +8,10 @@ # Changelog
 
+## [0.4.0] - 2020-08-13
+
+### Added
+
+- Method `parser.skip`
+- Method `parser.next`
+- Function `bnb.choice(...parsers)`
+
 ## [0.3.0] - 2020-08-12
@@ -45,3 +53,1 @@
 ## Unreleased
-
-Nothing, yet

dist/cjs/bread-n-butter.d.ts

@@ -27,2 +27,6 @@ /**
     and<B>(parserB: Parser<B>): Parser<[A, B]>;
+    /** Parse both and return the value of the first */
+    skip<B>(parserB: Parser<B>): Parser<A>;
+    /** Parse both and return the value of the second */
+    next<B>(parserB: Parser<B>): Parser<B>;
     /**
@@ -125,2 +129,4 @@ * Try to parse using the current parser. If that fails, parse using the
 export declare function all<A extends any[]>(...parsers: ManyParsers<A>): Parser<A>;
+/** Parse using the parsers given, returning the first one that succeeds. */
+export declare function choice<A>(...parsers: Parser<A>[]): Parser<A>;
 /**
@@ -127,0 +133,0 @@ * Takes a lazily invoked callback that returns a parser, so you can create

dist/cjs/bread-n-butter.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.lazy = exports.all = exports.match = exports.text = exports.eof = exports.fail = exports.ok = exports.location = exports.Parser = void 0;
+exports.lazy = exports.choice = exports.all = exports.match = exports.text = exports.eof = exports.fail = exports.ok = exports.location = exports.Parser = void 0;
 /**
@@ -66,2 +66,10 @@ * Represents a parsing action; typically not created directly via `new`.
     }
+    /** Parse both and return the value of the first */
+    skip(parserB) {
+        return this.and(parserB).map(([a]) => a);
+    }
+    /** Parse both and return the value of the second */
+    next(parserB) {
+        return this.and(parserB).map(([, b]) => b);
+    }
     /**
@@ -291,2 +299,11 @@ * Try to parse using the current parser. If that fails, parse using the
 exports.all = all;
+/** Parse using the parsers given, returning the first one that succeeds. */
+function choice(...parsers) {
+    // TODO: This could be optimized with a custom parser, but I should probably add
+    // benchmarking first to see if it really matters enough to rewrite it
+    return parsers.reduce((acc, p) => {
+        return acc.or(p);
+    });
+}
+exports.choice = choice;
 /**
@@ -293,0 +310,0 @@ * Takes a lazily invoked callback that returns a parser, so you can create

dist/esm/bread-n-butter.d.ts

@@ -27,2 +27,6 @@ /**
     and<B>(parserB: Parser<B>): Parser<[A, B]>;
+    /** Parse both and return the value of the first */
+    skip<B>(parserB: Parser<B>): Parser<A>;
+    /** Parse both and return the value of the second */
+    next<B>(parserB: Parser<B>): Parser<B>;
     /**
@@ -125,2 +129,4 @@ * Try to parse using the current parser. If that fails, parse using the
 export declare function all<A extends any[]>(...parsers: ManyParsers<A>): Parser<A>;
+/** Parse using the parsers given, returning the first one that succeeds. */
+export declare function choice<A>(...parsers: Parser<A>[]): Parser<A>;
 /**
@@ -127,0 +133,0 @@ * Takes a lazily invoked callback that returns a parser, so you can create

dist/esm/bread-n-butter.js

@@ -63,2 +63,10 @@ /**
     }
+    /** Parse both and return the value of the first */
+    skip(parserB) {
+        return this.and(parserB).map(([a]) => a);
+    }
+    /** Parse both and return the value of the second */
+    next(parserB) {
+        return this.and(parserB).map(([, b]) => b);
+    }
     /**
@@ -282,2 +290,10 @@ * Try to parse using the current parser. If that fails, parse using the
 }
+/** Parse using the parsers given, returning the first one that succeeds. */
+export function choice(...parsers) {
+    // TODO: This could be optimized with a custom parser, but I should probably add
+    // benchmarking first to see if it really matters enough to rewrite it
+    return parsers.reduce((acc, p) => {
+        return acc.or(p);
+    });
+}
 /**
@@ -284,0 +300,0 @@ * Takes a lazily invoked callback that returns a parser, so you can create

package.json

 {
   "name": "bread-n-butter",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Parser combinators for JavaScript and TypeScript",
@@ -5,0 +5,0 @@ "main": "dist/cjs/bread-n-butter.js",

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1277

increased by3.65%

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