Add tools to create postal code boundaries

scripts/postal_code_tools/prepPostalCodesHulls.ts

@@ -0,0 +1,55 @@
+import * as fs from "fs";
+import ScriptUtils from "./ScriptUtils";
+import {post} from "jquery";
+import {writeFileSync} from "fs";
+
+function handleFile(file: string, postalCode: number) {
+
+    const geojson = JSON.parse(fs.readFileSync(file, "UTF8"))
+    geojson.properties = {
+        type: "boundary",
+        "boundary": "postal_code",
+        "postal_code": postalCode + ""
+    }
+    return geojson
+}
+
+
+function getKnownPostalCodes(): number[] {
+    return fs.readFileSync("./scripts/postal_code_tools/knownPostalCodes.csv", "UTF8").split("\n")
+        .map(line => Number(line.split(",")[1]))
+}
+
+function main(args: string[]) {
+    const dir = args[0]
+    const knownPostals = new Set<number>(getKnownPostalCodes())
+    const files = ScriptUtils.readDirRecSync(dir, 1)
+    const allFiles = []
+    const skipped = []
+    for (const file of files) {
+        const nameParts = file.split("-")
+        const postalCodeStr = nameParts[nameParts.length - 1]
+        const postalCode = Number(postalCodeStr.substr(0, postalCodeStr.length - ".geojson.convex.geojson".length))
+        if (isNaN(postalCode)) {
+            console.error("Not a number: ", postalCodeStr)
+            continue
+        }
+        if (knownPostals.has(postalCode)) {
+            skipped.push(postalCode)
+            ScriptUtils.erasableLog("Skipping boundary for ", postalCode, "as it is already known - skipped ", skipped.length, "already")
+            continue
+        }
+        allFiles.push(handleFile(file, postalCode))
+    }
+
+
+    writeFileSync("all_postal_codes_filtered.geojson", JSON.stringify({
+        type: "FeatureCollection",
+        features: allFiles
+    }))
+
+}
+
+let args = [...process.argv]
+args.splice(0, 2)
+main(args)