@jridgewell/gen-mapping - npm Package Compare versions

Comparing version 0.1.1 to 0.2.0

dist/gen-mapping.umd.js

 (function (global, factory) {
-    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@jridgewell/set-array'), require('@jridgewell/sourcemap-codec')) :
-    typeof define === 'function' && define.amd ? define(['exports', '@jridgewell/set-array', '@jridgewell/sourcemap-codec'], factory) :
-    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.genMapping = {}, global.setArray, global.sourcemapCodec));
-})(this, (function (exports, setArray, sourcemapCodec) { 'use strict';
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@jridgewell/set-array'), require('@jridgewell/sourcemap-codec'), require('@jridgewell/trace-mapping')) :
+    typeof define === 'function' && define.amd ? define(['exports', '@jridgewell/set-array', '@jridgewell/sourcemap-codec', '@jridgewell/trace-mapping'], factory) :
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.genMapping = {}, global.setArray, global.sourcemapCodec, global.traceMapping));
+})(this, (function (exports, setArray, sourcemapCodec, traceMapping) { 'use strict';
 
@@ -25,3 +25,3 @@ /**
      */
-    exports.decodedMap = void 0;
+    exports.toDecodedMap = void 0;
     /**
@@ -31,4 +31,8 @@ * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
      */
-    exports.encodedMap = void 0;
+    exports.toEncodedMap = void 0;
     /**
+     * Constructs a new GenMapping, using the already present mappings of the input.
+     */
+    exports.fromMap = void 0;
+    /**
      * Returns an array of high-level mapping objects for every recorded segment, which could then be
@@ -55,3 +59,3 @@ * passed to the `source-map` library.
             const line = getLine(mappings, genLine);
-            if (source == null) {
+            if (!source) {
                 const seg = [genColumn];
@@ -78,3 +82,3 @@ const index = getColumnIndex(line, genColumn, seg);
         };
-        exports.decodedMap = (map) => {
+        exports.toDecodedMap = (map) => {
             const { file, sourceRoot, _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = map;
@@ -91,4 +95,4 @@ return {
         };
-        exports.encodedMap = (map) => {
-            const decoded = exports.decodedMap(map);
+        exports.toEncodedMap = (map) => {
+            const decoded = exports.toDecodedMap(map);
             return Object.assign(Object.assign({}, decoded), { mappings: sourcemapCodec.encode(decoded.mappings) });
@@ -118,2 +122,11 @@ };
         };
+        exports.fromMap = (input) => {
+            const map = new traceMapping.TraceMap(input);
+            const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
+            putAll(gen._names, map.names);
+            putAll(gen._sources, map.sources);
+            gen._sourcesContent = map.sourcesContent || map.sources.map(() => null);
+            gen._mappings = traceMapping.decodedMappings(map);
+            return gen;
+        };
     })();
@@ -167,4 +180,2 @@ function getLine(mappings, index) {
     function insert(array, index, value) {
-        if (index === -1)
-            return;
         for (let i = array.length; i > index; i--) {
@@ -175,2 +186,6 @@ array[i] = array[i - 1];
     }
+    function putAll(strarr, array) {
+        for (let i = 0; i < array.length; i++)
+            setArray.put(strarr, array[i]);
+    }
 
@@ -177,0 +192,0 @@ exports.GenMapping = GenMapping;

dist/types/gen-mapping.d.ts

@@ -0,1 +1,2 @@
+import type { SourceMapInput } from '@jridgewell/trace-mapping';
 import type { DecodedSourceMap, EncodedSourceMap, Pos, Mapping } from './types';
@@ -48,3 +49,3 @@ export type { DecodedSourceMap, EncodedSourceMap, Mapping };
  */
-export declare let decodedMap: (map: GenMapping) => DecodedSourceMap;
+export declare let toDecodedMap: (map: GenMapping) => DecodedSourceMap;
 /**
@@ -54,4 +55,8 @@ * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
  */
-export declare let encodedMap: (map: GenMapping) => EncodedSourceMap;
+export declare let toEncodedMap: (map: GenMapping) => EncodedSourceMap;
 /**
+ * Constructs a new GenMapping, using the already present mappings of the input.
+ */
+export declare let fromMap: (input: SourceMapInput) => GenMapping;
+/**
  * Returns an array of high-level mapping objects for every recorded segment, which could then be
@@ -58,0 +63,0 @@ * passed to the `source-map` library.

package.json

 {
   "name": "@jridgewell/gen-mapping",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "description": "Generate source maps",
@@ -70,4 +70,5 @@ "keywords": [
     "@jridgewell/set-array": "^1.0.0",
-    "@jridgewell/sourcemap-codec": "^1.4.10"
+    "@jridgewell/sourcemap-codec": "^1.4.10",
+    "@jridgewell/trace-mapping": "^0.3.9"
   }
 }

README.md

@@ -61,14 +61,14 @@ # @jridgewell/gen-mapping
 amp.js.map
-gen-mapping:      addSegment x 462 ops/sec ±1.53% (91 runs sampled)
-gen-mapping:      addMapping x 471 ops/sec ±0.77% (93 runs sampled)
-source-map-js:    addMapping x 178 ops/sec ±1.14% (84 runs sampled)
-source-map-0.6.1: addMapping x 178 ops/sec ±1.21% (84 runs sampled)
-source-map-0.8.0: addMapping x 177 ops/sec ±1.21% (83 runs sampled)
-Fastest is gen-mapping:      addMapping,gen-mapping:      addSegment
+gen-mapping:      addSegment x 450 ops/sec ±1.16% (87 runs sampled)
+gen-mapping:      addMapping x 430 ops/sec ±0.90% (90 runs sampled)
+source-map-js:    addMapping x 178 ops/sec ±1.06% (84 runs sampled)
+source-map-0.6.1: addMapping x 177 ops/sec ±1.07% (84 runs sampled)
+source-map-0.8.0: addMapping x 178 ops/sec ±0.98% (84 runs sampled)
+Fastest is gen-mapping:      addSegment
 
-gen-mapping:      decoded output x 157,499,812 ops/sec ±0.25% (100 runs sampled)
-gen-mapping:      encoded output x 625 ops/sec ±1.95% (88 runs sampled)
-source-map-js:    encoded output x 162 ops/sec ±0.37% (84 runs sampled)
-source-map-0.6.1: encoded output x 161 ops/sec ±0.51% (84 runs sampled)
-source-map-0.8.0: encoded output x 191 ops/sec ±0.12% (90 runs sampled)
+gen-mapping:      decoded output x 157,549,649 ops/sec ±0.14% (97 runs sampled)
+gen-mapping:      encoded output x 669 ops/sec ±1.34% (95 runs sampled)
+source-map-js:    encoded output x 160 ops/sec ±0.64% (83 runs sampled)
+source-map-0.6.1: encoded output x 161 ops/sec ±0.47% (84 runs sampled)
+source-map-0.8.0: encoded output x 190 ops/sec ±0.28% (90 runs sampled)
 Fastest is gen-mapping:      decoded output
@@ -79,14 +79,14 @@
 babel.min.js.map
-gen-mapping:      addSegment x 35.38 ops/sec ±4.48% (48 runs sampled)
-gen-mapping:      addMapping x 29.93 ops/sec ±5.03% (55 runs sampled)
-source-map-js:    addMapping x 22.19 ops/sec ±3.39% (41 runs sampled)
-source-map-0.6.1: addMapping x 22.57 ops/sec ±2.90% (41 runs sampled)
-source-map-0.8.0: addMapping x 22.73 ops/sec ±2.84% (41 runs sampled)
+gen-mapping:      addSegment x 51.09 ops/sec ±4.58% (56 runs sampled)
+gen-mapping:      addMapping x 39.38 ops/sec ±4.40% (54 runs sampled)
+source-map-js:    addMapping x 21.65 ops/sec ±3.34% (40 runs sampled)
+source-map-0.6.1: addMapping x 21.90 ops/sec ±3.59% (41 runs sampled)
+source-map-0.8.0: addMapping x 21.89 ops/sec ±3.10% (41 runs sampled)
 Fastest is gen-mapping:      addSegment
 
-gen-mapping:      decoded output x 157,767,591 ops/sec ±0.10% (99 runs sampled)
-gen-mapping:      encoded output x 97.06 ops/sec ±1.69% (73 runs sampled)
-source-map-js:    encoded output x 17.51 ops/sec ±2.27% (37 runs sampled)
-source-map-0.6.1: encoded output x 17.40 ops/sec ±4.61% (35 runs sampled)
-source-map-0.8.0: encoded output x 17.83 ops/sec ±4.85% (36 runs sampled)
+gen-mapping:      decoded output x 154,505,123 ops/sec ±0.45% (100 runs sampled)
+gen-mapping:      encoded output x 84.17 ops/sec ±5.44% (66 runs sampled)
+source-map-js:    encoded output x 17.57 ops/sec ±4.55% (33 runs sampled)
+source-map-0.6.1: encoded output x 16.43 ops/sec ±7.03% (34 runs sampled)
+source-map-0.8.0: encoded output x 16.60 ops/sec ±6.44% (32 runs sampled)
 Fastest is gen-mapping:      decoded output
@@ -97,14 +97,14 @@
 preact.js.map
-gen-mapping:      addSegment x 13,516 ops/sec ±0.27% (98 runs sampled)
-gen-mapping:      addMapping x 12,117 ops/sec ±0.25% (97 runs sampled)
-source-map-js:    addMapping x 4,285 ops/sec ±1.53% (98 runs sampled)
-source-map-0.6.1: addMapping x 4,482 ops/sec ±0.20% (100 runs sampled)
-source-map-0.8.0: addMapping x 4,482 ops/sec ±0.28% (99 runs sampled)
+gen-mapping:      addSegment x 11,643 ops/sec ±3.36% (91 runs sampled)
+gen-mapping:      addMapping x 10,921 ops/sec ±0.63% (87 runs sampled)
+source-map-js:    addMapping x 4,534 ops/sec ±0.25% (98 runs sampled)
+source-map-0.6.1: addMapping x 4,572 ops/sec ±0.18% (99 runs sampled)
+source-map-0.8.0: addMapping x 4,519 ops/sec ±0.27% (99 runs sampled)
 Fastest is gen-mapping:      addSegment
 
-gen-mapping:      decoded output x 157,769,691 ops/sec ±0.06% (92 runs sampled)
-gen-mapping:      encoded output x 18,610 ops/sec ±1.03% (93 runs sampled)
-source-map-js:    encoded output x 5,397 ops/sec ±0.38% (97 runs sampled)
-source-map-0.6.1: encoded output x 5,422 ops/sec ±0.16% (100 runs sampled)
-source-map-0.8.0: encoded output x 5,595 ops/sec ±0.11% (100 runs sampled)
+gen-mapping:      decoded output x 157,554,436 ops/sec ±0.09% (98 runs sampled)
+gen-mapping:      encoded output x 17,673 ops/sec ±1.11% (87 runs sampled)
+source-map-js:    encoded output x 5,526 ops/sec ±0.63% (93 runs sampled)
+source-map-0.6.1: encoded output x 5,679 ops/sec ±0.21% (98 runs sampled)
+source-map-0.8.0: encoded output x 5,911 ops/sec ±0.14% (101 runs sampled)
 Fastest is gen-mapping:      decoded output
@@ -115,14 +115,14 @@
 react.js.map
-gen-mapping:      addSegment x 5,058 ops/sec ±0.27% (100 runs sampled)
-gen-mapping:      addMapping x 4,352 ops/sec ±0.13% (97 runs sampled)
-source-map-js:    addMapping x 1,569 ops/sec ±0.19% (99 runs sampled)
-source-map-0.6.1: addMapping x 1,550 ops/sec ±0.31% (97 runs sampled)
-source-map-0.8.0: addMapping x 1,560 ops/sec ±0.18% (99 runs sampled)
+gen-mapping:      addSegment x 4,168 ops/sec ±1.08% (81 runs sampled)
+gen-mapping:      addMapping x 3,842 ops/sec ±1.27% (84 runs sampled)
+source-map-js:    addMapping x 1,510 ops/sec ±1.63% (95 runs sampled)
+source-map-0.6.1: addMapping x 1,537 ops/sec ±0.34% (97 runs sampled)
+source-map-0.8.0: addMapping x 1,546 ops/sec ±0.29% (98 runs sampled)
 Fastest is gen-mapping:      addSegment
 
-gen-mapping:      decoded output x 157,479,701 ops/sec ±0.14% (99 runs sampled)
-gen-mapping:      encoded output x 6,392 ops/sec ±1.03% (94 runs sampled)
-source-map-js:    encoded output x 2,213 ops/sec ±0.36% (99 runs sampled)
-source-map-0.6.1: encoded output x 2,238 ops/sec ±0.23% (100 runs sampled)
-source-map-0.8.0: encoded output x 2,304 ops/sec ±0.20% (100 runs sampled)
+gen-mapping:      decoded output x 157,136,960 ops/sec ±0.13% (92 runs sampled)
+gen-mapping:      encoded output x 6,494 ops/sec ±0.56% (96 runs sampled)
+source-map-js:    encoded output x 2,206 ops/sec ±0.25% (100 runs sampled)
+source-map-0.6.1: encoded output x 2,188 ops/sec ±0.51% (99 runs sampled)
+source-map-0.8.0: encoded output x 2,254 ops/sec ±0.27% (100 runs sampled)
 Fastest is gen-mapping:      decoded output
@@ -129,0 +129,0 @@ ```

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

57095

increased by9.06%

Lines of code

488

increased by7.96%

Worsened metrics

Dependency count

3

increased by50%

Dependency changes

• + Added@jridgewell/trace-mapping@^0.3.9

• + Added@jridgewell/resolve-uri@3.1.2(transitive)

• + Added@jridgewell/trace-mapping@0.3.25(transitive)