From 9d9e8c6c3f0fc129661e697328955be76f1cf7d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pierre-=C3=89tienne=20Lord?=
 <7397743+pelord@users.noreply.github.com>
Date: Tue, 24 May 2022 13:18:41 -0400
Subject: [PATCH] fix(export): export to latin1 with no latin1 equivalent
 characters (#1042)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* fix(export): export to latin1 with no latin1 equivalent characters

* lint

* wip

Co-authored-by: Pierre-Étienne Lord <pe_lord@yahoo.ca>
---
 package-lock.json                                      |  5 +++++
 package.json                                           |  1 +
 .../geo/src/lib/import-export/shared/export.service.ts | 10 +++++++++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/package-lock.json b/package-lock.json
index e92a68bb95..483a2644e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21040,6 +21040,11 @@
       "integrity": "sha512-JcKqAHLPxcdb9KM49dufGXn2x3ssnfjbcaQdLlfZsL9rH9wgDQjUtDxbo8NE0F6SFvydeu1VhZe7hZuHsB2/pw==",
       "dev": true
     },
+    "windows-1252": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/windows-1252/-/windows-1252-3.0.4.tgz",
+      "integrity": "sha512-PxP05UYnSeqhkkcHeT3xhpY/BsMOX6URw4ZW9ljOlhkQ6UZRRj/xvS3o5kG+fwefCztUtW36+DHBBNnWfXPIsw=="
+    },
     "windows-release": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-4.0.0.tgz",
diff --git a/package.json b/package.json
index 70659fe0ce..c8a4c8a856 100644
--- a/package.json
+++ b/package.json
@@ -129,6 +129,7 @@
     "typy": "^3.3.0",
     "unorm": "^1.4.1",
     "web-animations-js": "^2.3.2",
+    "windows-1252": "^3.0.4",
     "zone.js": "~0.11.4"
   },
   "devDependencies": {
diff --git a/packages/geo/src/lib/import-export/shared/export.service.ts b/packages/geo/src/lib/import-export/shared/export.service.ts
index bf30aacf2b..dab0a7847e 100644
--- a/packages/geo/src/lib/import-export/shared/export.service.ts
+++ b/packages/geo/src/lib/import-export/shared/export.service.ts
@@ -8,6 +8,7 @@ import { Observable, Observer } from 'rxjs';
 import * as olformat from 'ol/format';
 import OlFeature from 'ol/Feature';
 import type { default as OlGeometry } from 'ol/geom/Geometry';
+import {encode} from 'windows-1252';
 
 import { ExportFormat, EncodingFormat } from './export.type';
 
@@ -168,7 +169,7 @@ export class ExportService {
     projectionIn: string,
     projectionOut: string
   ) {
-    const featuresText: string = new olformat.GeoJSON().writeFeatures(
+    let featuresText: string = new olformat.GeoJSON().writeFeatures(
       olFeatures,
       {
         dataProjection: projectionOut,
@@ -189,6 +190,13 @@ export class ExportService {
       form.enctype = 'application/x-www-form-urlencoded; charset=utf-8;';
     } else if (encodingType === EncodingFormat.LATIN1) {
       const enctype = 'ISO-8859-1';
+      const featuresJson = JSON.parse(featuresText);
+      featuresJson.features.map(f => {
+        const encodedProperties = String.fromCharCode
+          .apply(null, encode(JSON.stringify(f.properties), { mode: 'replacement' }));
+        f.properties = JSON.parse(encodedProperties);
+      });
+      featuresText = JSON.stringify(featuresJson);
       const encoding = document.createElement('input');
       encoding.setAttribute('type', 'hidden');
       encoding.setAttribute('name', 'encoding');