Translations

scripts/filter.ts

@@ -0,0 +1,38 @@
+import * as fs from "fs";
+import {TagUtils} from "../Logic/Tags/TagUtils";
+import {writeFileSync} from "fs";
+
+function main(args) {
+    if (args.length < 2) {
+        console.log("Given a single geojson file and a filter specification, will print all the entries to std-out which pass the property")
+        console.log("USAGE: perProperty `file.geojson` `key=value` [outputfile]")
+        return
+    }
+    const path = args[0]
+    const spec = args[1]
+    const output = args[2]
+
+    const data = JSON.parse(fs.readFileSync(path, "UTF8"))
+    const filter = TagUtils.Tag(JSON.parse(spec))
+    const features = data.features.filter(f => filter.matchesProperties(f.properties))
+
+    if(features.length === 0){
+        console.log("Warning: no features matched the filter. Exiting now")
+        return
+    }
+    
+    const collection = {
+        type:"FeatureCollection",
+        features
+    }
+    const stringified = JSON.stringify(collection, null, "  ")
+    if(output === undefined){
+        console.log(stringified)
+    }else{
+        console.log("Filtered "+path+": kept "+features.length+" out of "+data.features.length+" objects")
+        writeFileSync(output, stringified)
+    }
+    
+}
+
+main(process.argv.slice(2))