alge - npm Package Compare versions

Comparing version 0.1.0-next.14 to 0.1.0-next.15

dist-cjs/Alge.js

@@ -64,6 +64,10 @@ "use strict";
                     is: (x) => (0, helpers_1.is)(x, symbol),
-                    decode: (data) => {
+                    decode: (value) => {
                         if (!v.codec)
                             throw new Error(`Codec not implemented.`);
-                        return api.create(v.codec.decode(data));
+                        const data = v.codec.decode(value);
+                        // TODO inspect the value for better rendering.
+                        if (data === null)
+                            throw new Error(`Failed to decode value \`${value}\` into a ${name}.`);
+                        return api.create(data);
                     },
@@ -70,0 +74,0 @@ encode: (data) => {

dist-cjs/Builder.d.ts

@@ -45,3 +45,3 @@ /**
 export declare type Encoder<V extends StoredVariant> = (decodedData: StoredVariant.GetType<V>) => string;
-export declare type Decoder<V extends StoredVariant> = (encodedData: string) => GetConstructorInput<V>;
+export declare type Decoder<V extends StoredVariant> = (encodedData: string) => null | GetConstructorInput<V>;
 /**
@@ -48,0 +48,0 @@ * The builder API when it is a state of having at least one variant defined.

dist-esm/Alge.js

@@ -60,6 +60,10 @@ import { Errors } from './Errors';
                     is: (x) => is(x, symbol),
-                    decode: (data) => {
+                    decode: (value) => {
                         if (!v.codec)
                             throw new Error(`Codec not implemented.`);
-                        return api.create(v.codec.decode(data));
+                        const data = v.codec.decode(value);
+                        // TODO inspect the value for better rendering.
+                        if (data === null)
+                            throw new Error(`Failed to decode value \`${value}\` into a ${name}.`);
+                        return api.create(data);
                     },
@@ -66,0 +70,0 @@ encode: (data) => {

dist-esm/Builder.d.ts

@@ -45,3 +45,3 @@ /**
 export declare type Encoder<V extends StoredVariant> = (decodedData: StoredVariant.GetType<V>) => string;
-export declare type Decoder<V extends StoredVariant> = (encodedData: string) => GetConstructorInput<V>;
+export declare type Decoder<V extends StoredVariant> = (encodedData: string) => null | GetConstructorInput<V>;
 /**
@@ -48,0 +48,0 @@ * The builder API when it is a state of having at least one variant defined.

package.json

 {
   "name": "alge",
-  "version": "0.1.0-next.14",
+  "version": "0.1.0-next.15",
   "repository": "[e-mail]:jasonkuhrt/alge.git",
@@ -60,3 +60,3 @@ "author": "Jason Kuhrt",
     "dripip": "0.10.0",
-    "eslint": "8.12.0",
+    "eslint": "^8.13.0",
     "eslint-config-prettier": "8.5.0",
@@ -63,0 +63,0 @@ "eslint-plugin-codegen": "0.16.1",

src/Alge.spec.ts

@@ -49,3 +49,3 @@ import { Alge } from '.'
           encode: (data) => data.m,
-          decode: (data) => ({ m: data }),
+          decode: (data) => (data === `m` ? { m: data } : null),
         })
@@ -58,2 +58,5 @@ .done()
       expect(A.M.decode(`m`)).toEqual(m)
+      expect(() => A.M.decode(``)).toThrowErrorMatchingInlineSnapshot(
+        `"Failed to decode value \`\` into a A."`
+      )
     })
@@ -60,0 +63,0 @@ it(`cannot define codec multiple times in the chain`, () => {

src/Alge.ts

@@ -202,5 +202,8 @@ import { CodecParams, Initial, StoredVariant } from './Builder'
             is: (x: unknown) => is(x, symbol),
-            decode: (data: string) => {
+            decode: (value: string) => {
               if (!v.codec) throw new Error(`Codec not implemented.`)
-              return api.create(v.codec.decode(data))
+              const data = v.codec.decode(value)
+              // TODO inspect the value for better rendering.
+              if (data === null) throw new Error(`Failed to decode value \`${value}\` into a ${name}.`)
+              return api.create(data)
             },
@@ -207,0 +210,0 @@ encode: (data: object) => {

src/Builder.ts

@@ -65,3 +65,3 @@ /**
 
-export type Decoder<V extends StoredVariant> = (encodedData: string) => GetConstructorInput<V>
+export type Decoder<V extends StoredVariant> = (encodedData: string) => null | GetConstructorInput<V>
 
@@ -68,0 +68,0 @@ /**

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Improved metrics

Total package byte prevSize

101406

increased by1.18%

Lines of code

1713

increased by0.82%

No dependency changes