add multilinestring support and release 0.0.3

Author: rowanwins

CHANGES.md

@@ -1,3 +1,7 @@
+# v0.0.3
+- Add support for MultiLinestring
+- Rejigging bundling
+
 # v0.0.2
 - Fix up handling of 0 values in attributes
 

README.md

@@ -38,12 +38,12 @@ This was cobbled together fairly quickly based on the [minimal documentation](ht
   - Inc MultiPolygon
   - Inc Polygon with holes
 - LineString
+  - Inc MultiLineString
 - Point
 - Attributes
 
 ### To Do
 - MultiPoint (a sample service would be helpful)
-- MultiLineString (a sample service would be helpful)
 - Write proper tests
 
 

package.json

@@ -1,10 +1,17 @@
 {
   "name": "arcgis-pbf-parser",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "A library for parsing the arcgis pbf format into geojson",
-  "main": "dist/arcgis-pbf.js",
-  "module": "dist/arcgis-pbf.esm.js",
+  "main": "dist/arcgis-pbf.cjs",
+  "module": "dist/arcgis-pbf.mjs",
   "browser": "dist/arcgis-pbf.min.js",
+  "type": "module",
+  "exports": {
+    ".": {
+      "require": "./dist/arcgis-pbf.cjs",
+      "import": "./dist/arcgis-pbf.mjs"
+    }
+  },
   "files": [
     "dist"
   ],

rollup.config.js

@@ -9,22 +9,19 @@ const output = (input, file, format, plugins) => ({
     file,
     format
   },
-  external: ['pbf'],
   plugins
 })
 
 export default [
-  output('./src/main.js', './dist/arcgis-pbf.js', 'umd', [
-    commonjs(),
-    resolve()
+  output('./src/main.js', './dist/arcgis-pbf.cjs', 'cjs', [
+    commonjs()
   ]),
   output('./src/main.js', './dist/arcgis-pbf.min.js', 'umd', [
     commonjs(),
     resolve(),
     terser()
   ]),
-  output('./src/main.js', './dist/arcgis-pbf.esm.js', 'esm', [
-    commonjs(),
-    resolve()
+  output('./src/main.js', './dist/arcgis-pbf.mjs', 'esm', [
+    commonjs()
   ])
 ]

src/main.js

@@ -1,4 +1,4 @@
-import {FeatureCollectionPBuffer as EsriPbfBuffer} from './parser/PbfFeatureCollection'
+import {FeatureCollectionPBuffer as EsriPbfBuffer} from './parser/PbfFeatureCollection.js'
 import Pbf from 'pbf'
 
 export default function decode(featureCollectionBuffer) {
@@ -72,11 +72,28 @@ function createPoint (f, transform) {
 }
 
 function createLine (f, transform) {
-  const p = {
-    type: 'LineString',
-    coordinates: createLinearRing(f.geometry.coords, transform, 0, f.geometry.lengths[0] * 2)
+  let l = null
+  const lengths = f.geometry.lengths.length
+
+  if (lengths === 1) {
+    l = {
+      type: 'LineString',
+      coordinates: createLinearRing(f.geometry.coords, transform, 0, f.geometry.lengths[0] * 2)
+    }
+  } else if (lengths > 1) {
+    l = {
+      type: 'MultiLineString',
+      coordinates: []
+    }
+    let startPoint = 0
+    for (let index = 0; index < lengths; index++) {
+      const stopPoint = startPoint + (f.geometry.lengths[index] * 2)
+      const line = createLinearRing(f.geometry.coords, transform, startPoint, stopPoint)
+      l.coordinates.push(line)
+      startPoint = stopPoint
+    }
   }
-  return p
+  return l
 }
 
 function createPolygon (f, transform) {