Add various improvements and fixes to studio, should fix #2055

public/css/index-tailwind-output.css

@@ -993,10 +993,6 @@ video {
   margin-right: 4rem;
 }
 
-.mb-4 {
-  margin-bottom: 1rem;
-}
-
 .mt-4 {
   margin-top: 1rem;
 }
@@ -1029,6 +1025,10 @@ video {
   margin-right: 0.25rem;
 }
 
+.mb-4 {
+  margin-bottom: 1rem;
+}
+
 .ml-1 {
   margin-left: 0.25rem;
 }
@@ -4686,6 +4686,16 @@ textarea {
   color: black;
 }
 
+h2.group {
+  /* For flowbite accordions */
+  margin: 0;
+}
+
+.group button {
+  /* For flowbite accordions */
+  border-radius: 0;
+}
+
 /************************* OTHER CATEGORIES ********************************/
 
 /**

src/Logic/State/UserSettingsMetaTagging.ts

@@ -1,42 +1,14 @@
 import { Utils } from "../../Utils"
 /** This code is autogenerated - do not edit. Edit ./assets/layers/usersettings/usersettings.json instead */
 export class ThemeMetaTagging {
-    public static readonly themeName = "usersettings"
+   public static readonly themeName = "usersettings"
 
-    public metaTaggging_for_usersettings(feat: { properties: Record<string, string> }) {
+   public metaTaggging_for_usersettings(feat: {properties: Record<string, string>}) {
-        Utils.AddLazyProperty(feat.properties, "_mastodon_candidate_md", () =>
+      Utils.AddLazyProperty(feat.properties, '_mastodon_candidate_md', () => feat.properties._description.match(/\[[^\]]*\]\((.*(mastodon|en.osm.town).*)\).*/)?.at(1) ) 
-            feat.properties._description
+      Utils.AddLazyProperty(feat.properties, '_d', () => feat.properties._description?.replace(/&lt;/g,'<')?.replace(/&gt;/g,'>') ?? '' ) 
-                .match(/\[[^\]]*\]\((.*(mastodon|en.osm.town).*)\).*/)
+      Utils.AddLazyProperty(feat.properties, '_mastodon_candidate_a', () => (feat => {const e = document.createElement('div');e.innerHTML = feat.properties._d;return Array.from(e.getElementsByTagName("a")).filter(a => a.href.match(/mastodon|en.osm.town/) !== null)[0]?.href   }) (feat)  ) 
-                ?.at(1)
+      Utils.AddLazyProperty(feat.properties, '_mastodon_link', () => (feat => {const e = document.createElement('div');e.innerHTML = feat.properties._d;return Array.from(e.getElementsByTagName("a")).filter(a => a.getAttribute("rel")?.indexOf('me') >= 0)[0]?.href})(feat)  ) 
-        )
+      Utils.AddLazyProperty(feat.properties, '_mastodon_candidate', () => feat.properties._mastodon_candidate_md ?? feat.properties._mastodon_candidate_a ) 
-        Utils.AddLazyProperty(
+      feat.properties['__current_backgroun'] = 'initial_value'
-            feat.properties,
+   }
-            "_d",
+}
-            () => feat.properties._description?.replace(/&lt;/g, "<")?.replace(/&gt;/g, ">") ?? ""
-        )
-        Utils.AddLazyProperty(feat.properties, "_mastodon_candidate_a", () =>
-            ((feat) => {
-                const e = document.createElement("div")
-                e.innerHTML = feat.properties._d
-                return Array.from(e.getElementsByTagName("a")).filter(
-                    (a) => a.href.match(/mastodon|en.osm.town/) !== null
-                )[0]?.href
-            })(feat)
-        )
-        Utils.AddLazyProperty(feat.properties, "_mastodon_link", () =>
-            ((feat) => {
-                const e = document.createElement("div")
-                e.innerHTML = feat.properties._d
-                return Array.from(e.getElementsByTagName("a")).filter(
-                    (a) => a.getAttribute("rel")?.indexOf("me") >= 0
-                )[0]?.href
-            })(feat)
-        )
-        Utils.AddLazyProperty(
-            feat.properties,
-            "_mastodon_candidate",
-            () => feat.properties._mastodon_candidate_md ?? feat.properties._mastodon_candidate_a
-        )
-        feat.properties["__current_backgroun"] = "initial_value"
-    }
-}

src/Models/ThemeConfig/Conversion/Conversion.ts

@@ -73,15 +73,20 @@ export abstract class DesugaringStep<T> extends Conversion<T, T> {}
 export class Pipe<TIn, TInter, TOut> extends Conversion<TIn, TOut> {
     private readonly _step0: Conversion<TIn, TInter>
     private readonly _step1: Conversion<TInter, TOut>
+    private readonly _failfast: boolean
 
-    constructor(step0: Conversion<TIn, TInter>, step1: Conversion<TInter, TOut>) {
+    constructor(step0: Conversion<TIn, TInter>, step1: Conversion<TInter, TOut>, failfast = false) {
         super("Merges two steps with different types", [], `Pipe(${step0.name}, ${step1.name})`)
         this._step0 = step0
         this._step1 = step1
+        this._failfast = failfast
     }
 
     convert(json: TIn, context: ConversionContext): TOut {
         const r0 = this._step0.convert(json, context.inOperation(this._step0.name))
+        if(context.hasErrors() && this._failfast){
+            return undefined
+        }
         return this._step1.convert(r0, context.inOperation(this._step1.name))
     }
 }

src/Models/ThemeConfig/Conversion/PrepareTheme.ts

@@ -21,6 +21,7 @@ import DependencyCalculator from "../DependencyCalculator"
 import { AddContextToTranslations } from "./AddContextToTranslations"
 import ValidationUtils from "./ValidationUtils"
 import { ConversionContext } from "./ConversionContext"
+import { PrevalidateTheme } from "./Validation"
 
 class SubstituteLayer extends Conversion<string | LayerConfigJson, LayerConfigJson[]> {
     private readonly _state: DesugaringContext
@@ -664,7 +665,6 @@ export class PrepareTheme extends Fuse<LayoutConfigJson> {
     ) {
         super(
             "Fully prepares and expands a theme",
-
             new AddContextToTranslationsInLayout(),
             new PreparePersonalTheme(state),
             new WarnForUnsubstitutedLayersInTheme(),

src/Models/ThemeConfig/Conversion/Validation.ts

@@ -36,7 +36,7 @@ class ValidateLanguageCompleteness extends DesugaringStep<LayoutConfig> {
         super(
             "Checks that the given object is fully translated in the specified languages",
             [],
-            "ValidateLanguageCompleteness"
+            "ValidateLanguageCompleteness",
         )
         this._languages = languages ?? ["en"]
     }
@@ -50,18 +50,18 @@ class ValidateLanguageCompleteness extends DesugaringStep<LayoutConfig> {
                 .filter(
                     (t) =>
                         t.tr.translations[neededLanguage] === undefined &&
-                        t.tr.translations["*"] === undefined
+                        t.tr.translations["*"] === undefined,
                 )
                 .forEach((missing) => {
                     context
                         .enter(missing.context.split("."))
                         .err(
                             `The theme ${obj.id} should be translation-complete for ` +
-                                neededLanguage +
+                            neededLanguage +
-                                ", but it lacks a translation for " +
+                            ", but it lacks a translation for " +
-                                missing.context +
+                            missing.context +
-                                ".\n\tThe known translation is " +
+                            ".\n\tThe known translation is " +
-                                missing.tr.textFor("en")
+                            missing.tr.textFor("en"),
                         )
                 })
         }
@@ -78,7 +78,7 @@ export class DoesImageExist extends DesugaringStep<string> {
     constructor(
         knownImagePaths: Set<string>,
         checkExistsSync: (path: string) => boolean = undefined,
-        ignore?: Set<string>
+        ignore?: Set<string>,
     ) {
         super("Checks if an image exists", [], "DoesImageExist")
         this._ignore = ignore
@@ -114,15 +114,15 @@ export class DoesImageExist extends DesugaringStep<string> {
         if (!this._knownImagePaths.has(image)) {
             if (this.doesPathExist === undefined) {
                 context.err(
-                    `Image with path ${image} not found or not attributed; it is used in ${context}`
+                    `Image with path ${image} not found or not attributed; it is used in ${context}`,
                 )
             } else if (!this.doesPathExist(image)) {
                 context.err(
-                    `Image with path ${image} does not exist.\n     Check for typo's and missing directories in the path.`
+                    `Image with path ${image} does not exist.\n     Check for typo's and missing directories in the path.`,
                 )
             } else {
                 context.err(
-                    `Image with path ${image} is not attributed (but it exists); execute 'npm run query:licenses' to add the license information and/or run 'npm run generate:licenses' to compile all the license info`
+                    `Image with path ${image} is not attributed (but it exists); execute 'npm run query:licenses' to add the license information and/or run 'npm run generate:licenses' to compile all the license info`,
                 )
             }
         }
@@ -146,7 +146,7 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
         doesImageExist: DoesImageExist,
         path: string,
         isBuiltin: boolean,
-        sharedTagRenderings?: Set<string>
+        sharedTagRenderings?: Set<string>,
     ) {
         super("Doesn't change anything, but emits warnings and errors", [], "ValidateTheme")
         this._validateImage = doesImageExist
@@ -165,15 +165,15 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
                 if (json["units"] !== undefined) {
                     context.err(
                         "The theme " +
-                            json.id +
+                        json.id +
-                            " has units defined - these should be defined on the layer instead. (Hint: use overrideAll: { '+units': ... }) "
+                        " has units defined - these should be defined on the layer instead. (Hint: use overrideAll: { '+units': ... }) ",
                     )
                 }
                 if (json["roamingRenderings"] !== undefined) {
                     context.err(
                         "Theme " +
-                            json.id +
+                        json.id +
-                            " contains an old 'roamingRenderings'. Use an 'overrideAll' instead"
+                        " contains an old 'roamingRenderings'. Use an 'overrideAll' instead",
                     )
                 }
             }
@@ -191,10 +191,10 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
             for (const remoteImage of remoteImages) {
                 context.err(
                     "Found a remote image: " +
-                        remoteImage.path +
+                    remoteImage.path +
-                        " in theme " +
+                    " in theme " +
-                        json.id +
+                    json.id +
-                        ", please download it."
+                    ", please download it.",
                 )
             }
             for (const image of images) {
@@ -210,17 +210,17 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
 
                 const filename = this._path.substring(
                     this._path.lastIndexOf("/") + 1,
-                    this._path.length - 5
+                    this._path.length - 5,
                 )
                 if (theme.id !== filename) {
                     context.err(
                         "Theme ids should be the same as the name.json, but we got id: " +
-                            theme.id +
+                        theme.id +
-                            " and filename " +
+                        " and filename " +
-                            filename +
+                        filename +
-                            " (" +
+                        " (" +
-                            this._path +
+                        this._path +
-                            ")"
+                        ")",
                     )
                 }
                 this._validateImage.convert(theme.icon, context.enter("icon"))
@@ -228,13 +228,13 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
             const dups = Utils.Duplicates(json.layers.map((layer) => layer["id"]))
             if (dups.length > 0) {
                 context.err(
-                    `The theme ${json.id} defines multiple layers with id ${dups.join(", ")}`
+                    `The theme ${json.id} defines multiple layers with id ${dups.join(", ")}`,
                 )
             }
             if (json["mustHaveLanguage"] !== undefined) {
                 new ValidateLanguageCompleteness(...json["mustHaveLanguage"]).convert(
                     theme,
-                    context
+                    context,
                 )
             }
             if (!json.hideFromOverview && theme.id !== "personal" && this._isBuiltin) {
@@ -242,7 +242,7 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
                 const targetLanguage = theme.title.SupportedLanguages()[0]
                 if (targetLanguage !== "en") {
                     context.err(
-                        `TargetLanguage is not 'en' for public theme ${theme.id}, it is ${targetLanguage}. Move 'en' up in the title of the theme and set it as the first key`
+                        `TargetLanguage is not 'en' for public theme ${theme.id}, it is ${targetLanguage}. Move 'en' up in the title of the theme and set it as the first key`,
                     )
                 }
 
@@ -286,7 +286,7 @@ export class ValidateTheme extends DesugaringStep<LayoutConfigJson> {
                     .err(
                         `This layer ID is not known: ${backgroundId}. Perhaps you meant one of ${nearby
                             .slice(0, 5)
-                            .join(", ")}`
+                            .join(", ")}`,
                     )
             }
         }
@@ -309,7 +309,7 @@ export class ValidateThemeAndLayers extends Fuse<LayoutConfigJson> {
         doesImageExist: DoesImageExist,
         path: string,
         isBuiltin: boolean,
-        sharedTagRenderings?: Set<string>
+        sharedTagRenderings?: Set<string>,
     ) {
         super(
             "Validates a theme and the contained layers",
@@ -319,10 +319,10 @@ export class ValidateThemeAndLayers extends Fuse<LayoutConfigJson> {
                 new Each(
                     new Bypass(
                         (layer) => Constants.added_by_default.indexOf(<any>layer.id) < 0,
-                        new ValidateLayerConfig(undefined, isBuiltin, doesImageExist, false, true)
+                        new ValidateLayerConfig(undefined, isBuiltin, doesImageExist, false, true),
-                    )
+                    ),
-                )
+                ),
-            )
+            ),
         )
     }
 }
@@ -332,7 +332,7 @@ class OverrideShadowingCheck extends DesugaringStep<LayoutConfigJson> {
         super(
             "Checks that an 'overrideAll' does not override a single override",
             [],
-            "OverrideShadowingCheck"
+            "OverrideShadowingCheck",
         )
     }
 
@@ -378,6 +378,9 @@ class MiscThemeChecks extends DesugaringStep<LayoutConfigJson> {
         if (json.id !== "personal" && (json.layers === undefined || json.layers.length === 0)) {
             context.err("The theme " + json.id + " has no 'layers' defined")
         }
+        if (!Array.isArray(json.layers)) {
+            context.enter("layers").err("The 'layers'-field should be an array, but it is not. Did you pase a layer identifier and forget to add the '[' and ']'?")
+        }
         if (json.socialImage === "") {
             context.warn("Social image for theme " + json.id + " is the emtpy string")
         }
@@ -406,7 +409,7 @@ class MiscThemeChecks extends DesugaringStep<LayoutConfigJson> {
             context
                 .enter("overideAll")
                 .err(
-                    "'overrideAll' is spelled with _two_ `r`s. You only wrote a single one of them."
+                    "'overrideAll' is spelled with _two_ `r`s. You only wrote a single one of them.",
                 )
         }
         return json
@@ -418,7 +421,7 @@ export class PrevalidateTheme extends Fuse<LayoutConfigJson> {
         super(
             "Various consistency checks on the raw JSON",
             new MiscThemeChecks(),
-            new OverrideShadowingCheck()
+            new OverrideShadowingCheck(),
         )
     }
 }
@@ -428,7 +431,7 @@ export class DetectConflictingAddExtraTags extends DesugaringStep<TagRenderingCo
         super(
             "The `if`-part in a mapping might set some keys. Those keys are not allowed to be set in the `addExtraTags`, as this might result in conflicting values",
             [],
-            "DetectConflictingAddExtraTags"
+            "DetectConflictingAddExtraTags",
         )
     }
 
@@ -455,7 +458,7 @@ export class DetectConflictingAddExtraTags extends DesugaringStep<TagRenderingCo
                         .enters("mappings", i)
                         .err(
                             "AddExtraTags overrides a key that is set in the `if`-clause of this mapping. Selecting this answer might thus first set one value (needed to match as answer) and then override it with a different value, resulting in an unsaveable question. The offending `addExtraTags` is " +
-                                duplicateKeys.join(", ")
+                            duplicateKeys.join(", "),
                         )
                 }
             }
@@ -473,13 +476,13 @@ export class DetectNonErasedKeysInMappings extends DesugaringStep<QuestionableTa
         super(
             "A tagRendering might set a freeform key (e.g. `name` and have an option that _should_ erase this name, e.g. `noname=yes`). Under normal circumstances, every mapping/freeform should affect all touched keys",
             [],
-            "DetectNonErasedKeysInMappings"
+            "DetectNonErasedKeysInMappings",
         )
     }
 
     convert(
         json: QuestionableTagRenderingConfigJson,
-        context: ConversionContext
+        context: ConversionContext,
     ): QuestionableTagRenderingConfigJson {
         if (json.multiAnswer) {
             // No need to check this here, this has its own validation
@@ -533,8 +536,8 @@ export class DetectNonErasedKeysInMappings extends DesugaringStep<QuestionableTa
                         .enters("freeform")
                         .warn(
                             "The freeform block does not modify the key `" +
-                                neededKey +
+                            neededKey +
-                                "` which is set in a mapping. Use `addExtraTags` to overwrite it"
+                            "` which is set in a mapping. Use `addExtraTags` to overwrite it",
                         )
                 }
             }
@@ -552,8 +555,8 @@ export class DetectNonErasedKeysInMappings extends DesugaringStep<QuestionableTa
                         .enters("mappings", i)
                         .warn(
                             "This mapping does not modify the key `" +
-                                neededKey +
+                            neededKey +
-                                "` which is set in a mapping or by the freeform block. Use `addExtraTags` to overwrite it"
+                            "` which is set in a mapping or by the freeform block. Use `addExtraTags` to overwrite it",
                         )
                 }
             }
@@ -570,7 +573,7 @@ export class DetectMappingsShadowedByCondition extends DesugaringStep<TagRenderi
         super(
             "Checks that, if the tagrendering has a condition, that a mapping is not contradictory to it, i.e. that there are no dead mappings",
             [],
-            "DetectMappingsShadowedByCondition"
+            "DetectMappingsShadowedByCondition",
         )
         this._forceError = forceError
     }
@@ -642,7 +645,7 @@ export class DetectShadowedMappings extends DesugaringStep<TagRenderingConfigJso
      * DetectShadowedMappings.extractCalculatedTagNames({calculatedTags: ["_abc=js()"]}) // => ["_abc"]
      */
     private static extractCalculatedTagNames(
-        layerConfig?: LayerConfigJson | { calculatedTags: string[] }
+        layerConfig?: LayerConfigJson | { calculatedTags: string[] },
     ) {
         return (
             layerConfig?.calculatedTags?.map((ct) => {
@@ -728,16 +731,16 @@ export class DetectShadowedMappings extends DesugaringStep<TagRenderingConfigJso
                     json.mappings[i]["hideInAnswer"] !== true
                 ) {
                     context.warn(
-                        `Mapping ${i} is shadowed by mapping ${j}. However, mapping ${j} has 'hideInAnswer' set, which will result in a different rendering in question-mode.`
+                        `Mapping ${i} is shadowed by mapping ${j}. However, mapping ${j} has 'hideInAnswer' set, which will result in a different rendering in question-mode.`,
                     )
                 } else if (doesMatch) {
                     // The current mapping is shadowed!
                     context.err(`Mapping ${i} is shadowed by mapping ${j} and will thus never be shown:
     The mapping ${parsedConditions[i].asHumanString(
-        false,
+                        false,
-        false,
+                        false,
-        {}
+                        {},
-    )} is fully matched by a previous mapping (namely ${j}), which matches:
+                    )} is fully matched by a previous mapping (namely ${j}), which matches:
     ${parsedConditions[j].asHumanString(false, false, {})}.
 
     To fix this problem, you can try to:
@@ -764,7 +767,7 @@ export class DetectMappingsWithImages extends DesugaringStep<TagRenderingConfigJ
         super(
             "Checks that 'then'clauses in mappings don't have images, but use 'icon' instead",
             [],
-            "DetectMappingsWithImages"
+            "DetectMappingsWithImages",
         )
         this._doesImageExist = doesImageExist
     }
@@ -804,14 +807,14 @@ export class DetectMappingsWithImages extends DesugaringStep<TagRenderingConfigJ
                 if (!ignore) {
                     ctx.err(
                         `A mapping has an image in the 'then'-clause. Remove the image there and use \`"icon": <your-image>\` instead. The images found are ${images.join(
-                            ", "
+                            ", ",
-                        )}. (This check can be turned of by adding "#": "${ignoreToken}" in the mapping, but this is discouraged`
+                        )}. (This check can be turned of by adding "#": "${ignoreToken}" in the mapping, but this is discouraged`,
                     )
                 } else {
                     ctx.info(
                         `Ignored image ${images.join(
-                            ", "
+                            ", ",
-                        )} in 'then'-clause of a mapping as this check has been disabled`
+                        )} in 'then'-clause of a mapping as this check has been disabled`,
                     )
 
                     for (const image of images) {
@@ -832,7 +835,7 @@ class ValidatePossibleLinks extends DesugaringStep<string | Record<string, strin
         super(
             "Given a possible set of translations, validates that <a href=... target='_blank'> does have `rel='noopener'` set",
             [],
-            "ValidatePossibleLinks"
+            "ValidatePossibleLinks",
         )
     }
 
@@ -862,21 +865,21 @@ class ValidatePossibleLinks extends DesugaringStep<string | Record<string, strin
 
     convert(
         json: string | Record<string, string>,
-        context: ConversionContext
+        context: ConversionContext,
     ): string | Record<string, string> {
         if (typeof json === "string") {
             if (this.isTabnabbingProne(json)) {
                 context.err(
                     "The string " +
-                        json +
+                    json +
-                        " has a link targeting `_blank`, but it doesn't have `rel='noopener'` set. This gives rise to reverse tabnapping"
+                    " has a link targeting `_blank`, but it doesn't have `rel='noopener'` set. This gives rise to reverse tabnapping",
                 )
             }
         } else {
             for (const k in json) {
                 if (this.isTabnabbingProne(json[k])) {
                     context.err(
-                        `The translation for ${k} '${json[k]}' has a link targeting \`_blank\`, but it doesn't have \`rel='noopener'\` set. This gives rise to reverse tabnapping`
+                        `The translation for ${k} '${json[k]}' has a link targeting \`_blank\`, but it doesn't have \`rel='noopener'\` set. This gives rise to reverse tabnapping`,
                     )
                 }
             }
@@ -894,7 +897,7 @@ class CheckTranslation extends DesugaringStep<Translatable> {
         super(
             "Checks that a translation is valid and internally consistent",
             ["*"],
-            "CheckTranslation"
+            "CheckTranslation",
         )
         this._allowUndefined = allowUndefined
     }
@@ -935,6 +938,7 @@ class CheckTranslation extends DesugaringStep<Translatable> {
 
 class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
     private readonly _layerConfig: LayerConfigJson
+
     constructor(layerConfig?: LayerConfigJson) {
         super("Miscellaneous checks on the tagrendering", ["special"], "MiscTagRenderingChecks")
         this._layerConfig = layerConfig
@@ -942,17 +946,17 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
 
     convert(
         json: TagRenderingConfigJson | QuestionableTagRenderingConfigJson,
-        context: ConversionContext
+        context: ConversionContext,
     ): TagRenderingConfigJson {
         if (json["special"] !== undefined) {
             context.err(
-                'Detected `special` on the top level. Did you mean `{"render":{ "special": ... }}`'
+                "Detected `special` on the top level. Did you mean `{\"render\":{ \"special\": ... }}`",
             )
         }
 
         if (Object.keys(json).length === 1 && typeof json["render"] === "string") {
             context.warn(
-                `use the content directly instead of {render: ${JSON.stringify(json["render"])}}`
+                `use the content directly instead of {render: ${JSON.stringify(json["render"])}}`,
             )
         }
 
@@ -964,7 +968,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                 const mapping: MappingConfigJson = json.mappings[i]
                 CheckTranslation.noUndefined.convert(
                     mapping.then,
-                    context.enters("mappings", i, "then")
+                    context.enters("mappings", i, "then"),
                 )
                 if (!mapping.if) {
                     console.log(
@@ -973,7 +977,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                         "if",
                         mapping.if,
                         context.path.join("."),
-                        mapping.then
+                        mapping.then,
                     )
                     context.enters("mappings", i, "if").err("No `if` is defined")
                 }
@@ -983,7 +987,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                             context
                                 .enters("mappings", i, "addExtraTags", j)
                                 .err(
-                                    "Detected a 'null' or 'undefined' value. Either specify a tag or delete this item"
+                                    "Detected a 'null' or 'undefined' value. Either specify a tag or delete this item",
                                 )
                         }
                     }
@@ -994,18 +998,18 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                     context
                         .enters("mappings", i, "then")
                         .warn(
-                            "A mapping should not start with 'yes' or 'no'. If the attribute is known, it will only show 'yes' or 'no' <i>without</i> the question, resulting in a weird phrasing in the information box"
+                            "A mapping should not start with 'yes' or 'no'. If the attribute is known, it will only show 'yes' or 'no' <i>without</i> the question, resulting in a weird phrasing in the information box",
                         )
                 }
             }
         }
         if (json["group"]) {
-            context.err('Groups are deprecated, use `"label": ["' + json["group"] + '"]` instead')
+            context.err("Groups are deprecated, use `\"label\": [\"" + json["group"] + "\"]` instead")
         }
 
         if (json["question"] && json.freeform?.key === undefined && json.mappings === undefined) {
             context.err(
-                "A question is defined, but no mappings nor freeform (key) are. Add at least one of them"
+                "A question is defined, but no mappings nor freeform (key) are. Add at least one of them",
             )
         }
         if (json["question"] && !json.freeform && (json.mappings?.length ?? 0) == 1) {
@@ -1015,7 +1019,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
             context
                 .enter("questionHint")
                 .err(
-                    "A questionHint is defined, but no question is given. As such, the questionHint will never be shown"
+                    "A questionHint is defined, but no question is given. As such, the questionHint will never be shown",
                 )
         }
 
@@ -1023,7 +1027,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
             context
                 .enters("icon", "size")
                 .err(
-                    "size is not a valid attribute. Did you mean 'class'? Class can be one of `small`, `medium` or `large`"
+                    "size is not a valid attribute. Did you mean 'class'? Class can be one of `small`, `medium` or `large`",
                 )
         }
 
@@ -1033,10 +1037,10 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                     .enter("render")
                     .err(
                         "This tagRendering allows to set a value to key " +
-                            json.freeform.key +
+                        json.freeform.key +
-                            ", but does not define a `render`. Please, add a value here which contains `{" +
+                        ", but does not define a `render`. Please, add a value here which contains `{" +
-                            json.freeform.key +
+                        json.freeform.key +
-                            "}`"
+                        "}`",
                     )
             } else {
                 const render = new Translation(<any>json.render)
@@ -1067,7 +1071,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                     const keyFirstArg = ["canonical", "fediverse_link", "translated"]
                     if (
                         keyFirstArg.some(
-                            (funcName) => txt.indexOf(`{${funcName}(${json.freeform.key}`) >= 0
+                            (funcName) => txt.indexOf(`{${funcName}(${json.freeform.key}`) >= 0,
                         )
                     ) {
                         continue
@@ -1091,16 +1095,16 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                         context
                             .enter("render")
                             .err(
-                                `The rendering for language ${ln} does not contain \`{${json.freeform.key}}\`. Did you perhaps forget to set "freeform.type: 'wikidata'"?`
+                                `The rendering for language ${ln} does not contain \`{${json.freeform.key}}\`. Did you perhaps forget to set "freeform.type: 'wikidata'"?`,
                             )
                         continue
                     }
 
-                    if(txt.indexOf(json.freeform.key) >= 0 && txt.indexOf("{"+json.freeform.key+"}") < 0){
+                    if (txt.indexOf(json.freeform.key) >= 0 && txt.indexOf("{" + json.freeform.key + "}") < 0) {
                         context
                             .enter("render")
                             .err(
-                                `The rendering for language ${ln} does not contain \`{${json.freeform.key}}\`. However, it does contain ${json.freeform.key} without braces. Did you forget the braces?\n\tThe current text is ${txt}`
+                                `The rendering for language ${ln} does not contain \`{${json.freeform.key}}\`. However, it does contain ${json.freeform.key} without braces. Did you forget the braces?\n\tThe current text is ${txt}`,
                             )
                         continue
                     }
@@ -1109,7 +1113,7 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                     context
                         .enter("render")
                         .err(
-                            `The rendering for language ${ln} does not contain \`{${json.freeform.key}}\`. This is a bug, as this rendering should show exactly this freeform key!\n\tThe current text is ${txt}`
+                            `The rendering for language ${ln} does not contain \`{${json.freeform.key}}\`. This is a bug, as this rendering should show exactly this freeform key!\n\tThe current text is ${txt}`,
                         )
                 }
             }
@@ -1124,22 +1128,22 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                         .enters("freeform", "type")
                         .err(
                             "No entry found in the 'Name Suggestion Index'. None of the 'osmSource'-tags match an entry in the NSI.\n\tOsmSource-tags are " +
-                                tags.map((t) => new Tag(t.key, t.value).asHumanString()).join(" ; ")
+                            tags.map((t) => new Tag(t.key, t.value).asHumanString()).join(" ; "),
                         )
                 }
             } else if (json.freeform.type === "nsi") {
                 context
                     .enters("freeform", "type")
                     .warn(
-                        "No need to explicitly set type to 'NSI', autodetected based on freeform type"
+                        "No need to explicitly set type to 'NSI', autodetected based on freeform type",
                     )
             }
         }
         if (json.render && json["question"] && json.freeform === undefined) {
             context.err(
                 `Detected a tagrendering which takes input without freeform key in ${context}; the question is ${new Translation(
-                    json["question"]
+                    json["question"],
-                ).textFor("en")}`
+                ).textFor("en")}`,
             )
         }
 
@@ -1150,9 +1154,9 @@ class MiscTagRenderingChecks extends DesugaringStep<TagRenderingConfigJson> {
                     .enters("freeform", "type")
                     .err(
                         "Unknown type: " +
-                            freeformType +
+                        freeformType +
-                            "; try one of " +
+                        "; try one of " +
-                            Validators.availableTypes.join(", ")
+                        Validators.availableTypes.join(", "),
                     )
             }
         }
@@ -1190,7 +1194,7 @@ export class ValidateTagRenderings extends Fuse<TagRenderingConfigJson> {
             new On("question", new ValidatePossibleLinks()),
             new On("questionHint", new ValidatePossibleLinks()),
             new On("mappings", new Each(new On("then", new ValidatePossibleLinks()))),
-            new MiscTagRenderingChecks(layerConfig)
+            new MiscTagRenderingChecks(layerConfig),
         )
     }
 }
@@ -1209,7 +1213,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
         path: string,
         isBuiltin: boolean,
         doesImageExist: DoesImageExist,
-        studioValidations: boolean
+        studioValidations: boolean,
     ) {
         super("Runs various checks against common mistakes for a layer", [], "PrevalidateLayer")
         this._path = path
@@ -1235,7 +1239,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
             context
                 .enter("source")
                 .err(
-                    "No source section is defined; please define one as data is not loaded otherwise"
+                    "No source section is defined; please define one as data is not loaded otherwise",
                 )
         } else {
             if (json.source === "special" || json.source === "special:library") {
@@ -1243,7 +1247,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                 context
                     .enters("source", "osmTags")
                     .err(
-                        "No osmTags defined in the source section - these should always be present, even for geojson layer"
+                        "No osmTags defined in the source section - these should always be present, even for geojson layer",
                     )
             } else {
                 const osmTags = TagUtils.Tag(json.source["osmTags"], context + "source.osmTags")
@@ -1252,7 +1256,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                         .enters("source", "osmTags")
                         .err(
                             "The source states tags which give a very wide selection: it only uses negative expressions, which will result in too much and unexpected data. Add at least one required tag. The tags are:\n\t" +
-                                osmTags.asHumanString(false, false, {})
+                            osmTags.asHumanString(false, false, {}),
                         )
                 }
             }
@@ -1278,10 +1282,10 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                 .enter("syncSelection")
                 .err(
                     "Invalid sync-selection: must be one of " +
-                        LayerConfig.syncSelectionAllowed.map((v) => `'${v}'`).join(", ") +
+                    LayerConfig.syncSelectionAllowed.map((v) => `'${v}'`).join(", ") +
-                        " but got '" +
+                    " but got '" +
-                        json.syncSelection +
+                    json.syncSelection +
-                        "'"
+                    "'",
                 )
         }
         if (json["pointRenderings"]?.length > 0) {
@@ -1300,7 +1304,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
         }
 
         json.pointRendering?.forEach((pr, i) =>
-            this._validatePointRendering.convert(pr, context.enters("pointeRendering", i))
+            this._validatePointRendering.convert(pr, context.enters("pointeRendering", i)),
         )
 
         if (json["mapRendering"]) {
@@ -1317,8 +1321,8 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
             if (!Constants.priviliged_layers.find((x) => x == json.id)) {
                 context.err(
                     "Layer " +
-                        json.id +
+                    json.id +
-                        " uses 'special' as source.osmTags. However, this layer is not a priviliged layer"
+                    " uses 'special' as source.osmTags. However, this layer is not a priviliged layer",
                 )
             }
         }
@@ -1333,19 +1337,19 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                 context
                     .enter("title")
                     .err(
-                        "This layer does not have a title defined but it does have tagRenderings. Not having a title will disable the popups, resulting in an unclickable element. Please add a title. If not having a popup is intended and the tagrenderings need to be kept (e.g. in a library layer), set `title: null` to disable this error."
+                        "This layer does not have a title defined but it does have tagRenderings. Not having a title will disable the popups, resulting in an unclickable element. Please add a title. If not having a popup is intended and the tagrenderings need to be kept (e.g. in a library layer), set `title: null` to disable this error.",
                     )
             }
             if (json.title === null) {
                 context.info(
-                    "Title is `null`. This results in an element that cannot be clicked - even though tagRenderings is set."
+                    "Title is `null`. This results in an element that cannot be clicked - even though tagRenderings is set.",
                 )
             }
 
             {
                 // Check for multiple, identical builtin questions - usability for studio users
                 const duplicates = Utils.Duplicates(
-                    <string[]>json.tagRenderings.filter((tr) => typeof tr === "string")
+                    <string[]>json.tagRenderings.filter((tr) => typeof tr === "string"),
                 )
                 for (let i = 0; i < json.tagRenderings.length; i++) {
                     const tagRendering = json.tagRenderings[i]
@@ -1375,7 +1379,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
         {
             // duplicate ids in tagrenderings check
             const duplicates = Utils.NoNull(
-                Utils.Duplicates(Utils.NoNull((json.tagRenderings ?? []).map((tr) => tr["id"])))
+                Utils.Duplicates(Utils.NoNull((json.tagRenderings ?? []).map((tr) => tr["id"]))),
             )
             if (duplicates.length > 0) {
                 // It is tempting to add an index to this warning; however, due to labels the indices here might be different from the index in the tagRendering list
@@ -1383,11 +1387,11 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                     .enter("tagRenderings")
                     .err(
                         "Some tagrenderings have a duplicate id: " +
-                            duplicates.join(", ") +
+                        duplicates.join(", ") +
-                            "\n" +
+                        "\n" +
-                            JSON.stringify(
+                        JSON.stringify(
-                                json.tagRenderings.filter((tr) => duplicates.indexOf(tr["id"]) >= 0)
+                            json.tagRenderings.filter((tr) => duplicates.indexOf(tr["id"]) >= 0),
-                            )
+                        ),
                     )
             }
         }
@@ -1420,8 +1424,8 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
             if (json["overpassTags"] !== undefined) {
                 context.err(
                     "Layer " +
-                        json.id +
+                    json.id +
-                        'still uses the old \'overpassTags\'-format. Please use "source": {"osmTags": <tags>}\' instead of "overpassTags": <tags> (note: this isn\'t your fault, the custom theme generator still spits out the old format)'
+                    "still uses the old 'overpassTags'-format. Please use \"source\": {\"osmTags\": <tags>}' instead of \"overpassTags\": <tags> (note: this isn't your fault, the custom theme generator still spits out the old format)",
                 )
             }
             const forbiddenTopLevel = [
@@ -1441,7 +1445,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
             }
             if (json["hideUnderlayingFeaturesMinPercentage"] !== undefined) {
                 context.err(
-                    "Layer " + json.id + " contains an old 'hideUnderlayingFeaturesMinPercentage'"
+                    "Layer " + json.id + " contains an old 'hideUnderlayingFeaturesMinPercentage'",
                 )
             }
 
@@ -1458,9 +1462,9 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
             if (this._path != undefined && this._path.indexOf(expected) < 0) {
                 context.err(
                     "Layer is in an incorrect place. The path is " +
-                        this._path +
+                    this._path +
-                        ", but expected " +
+                    ", but expected " +
-                        expected
+                    expected,
                 )
             }
         }
@@ -1478,13 +1482,13 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                     .enter(["tagRenderings", ...emptyIndexes])
                     .err(
                         `Some tagrendering-ids are empty or have an emtpy string; this is not allowed (at ${emptyIndexes.join(
-                            ","
+                            ",",
-                        )}])`
+                        )}])`,
                     )
             }
 
             const duplicateIds = Utils.Duplicates(
-                (json.tagRenderings ?? [])?.map((f) => f["id"]).filter((id) => id !== "questions")
+                (json.tagRenderings ?? [])?.map((f) => f["id"]).filter((id) => id !== "questions"),
             )
             if (duplicateIds.length > 0 && !Utils.runningFromConsole) {
                 context
@@ -1508,7 +1512,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
         if (json.tagRenderings !== undefined) {
             new On(
                 "tagRenderings",
-                new Each(new ValidateTagRenderings(json, this._doesImageExist))
+                new Each(new ValidateTagRenderings(json, this._doesImageExist)),
             ).convert(json, context)
         }
 
@@ -1535,7 +1539,7 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                         context
                             .enters("pointRendering", i, "marker", indexM, "icon", "condition")
                             .err(
-                                "Don't set a condition in a marker as this will result in an invisible but clickable element. Use extra filters in the source instead."
+                                "Don't set a condition in a marker as this will result in an invisible but clickable element. Use extra filters in the source instead.",
                             )
                     }
                 }
@@ -1573,9 +1577,9 @@ export class PrevalidateLayer extends DesugaringStep<LayerConfigJson> {
                         .enters("presets", i, "tags")
                         .err(
                             "This preset does not match the required tags of this layer. This implies that a newly added point will not show up.\n    A newly created point will have properties: " +
-                                tags.asHumanString(false, false, {}) +
+                            tags.asHumanString(false, false, {}) +
-                                "\n    The required tags are: " +
+                            "\n    The required tags are: " +
-                                baseTags.asHumanString(false, false, {})
+                            baseTags.asHumanString(false, false, {}),
                         )
                 }
             }
@@ -1592,7 +1596,7 @@ export class ValidateLayerConfig extends DesugaringStep<LayerConfigJson> {
         isBuiltin: boolean,
         doesImageExist: DoesImageExist,
         studioValidations: boolean = false,
-        skipDefaultLayers: boolean = false
+        skipDefaultLayers: boolean = false,
     ) {
         super("Thin wrapper around 'ValidateLayer", [], "ValidateLayerConfig")
         this.validator = new ValidateLayer(
@@ -1600,7 +1604,7 @@ export class ValidateLayerConfig extends DesugaringStep<LayerConfigJson> {
             isBuiltin,
             doesImageExist,
             studioValidations,
-            skipDefaultLayers
+            skipDefaultLayers,
         )
     }
 
@@ -1628,7 +1632,7 @@ class ValidatePointRendering extends DesugaringStep<PointRenderingConfigJson> {
             context
                 .enter("markers")
                 .err(
-                    `Detected a field 'markerS' in pointRendering. It is written as a singular case`
+                    `Detected a field 'markerS' in pointRendering. It is written as a singular case`,
                 )
         }
         if (json.marker && !Array.isArray(json.marker)) {
@@ -1638,7 +1642,7 @@ class ValidatePointRendering extends DesugaringStep<PointRenderingConfigJson> {
             context
                 .enter("location")
                 .err(
-                    "A pointRendering should have at least one 'location' to defined where it should be rendered. "
+                    "A pointRendering should have at least one 'location' to defined where it should be rendered. ",
                 )
         }
         return json
@@ -1657,26 +1661,26 @@ export class ValidateLayer extends Conversion<
         isBuiltin: boolean,
         doesImageExist: DoesImageExist,
         studioValidations: boolean = false,
-        skipDefaultLayers: boolean = false
+        skipDefaultLayers: boolean = false,
     ) {
         super("Doesn't change anything, but emits warnings and errors", [], "ValidateLayer")
         this._prevalidation = new PrevalidateLayer(
             path,
             isBuiltin,
             doesImageExist,
-            studioValidations
+            studioValidations,
         )
         this._skipDefaultLayers = skipDefaultLayers
     }
 
     convert(
         json: LayerConfigJson,
-        context: ConversionContext
+        context: ConversionContext,
     ): { parsed: LayerConfig; raw: LayerConfigJson } {
         context = context.inOperation(this.name)
         if (typeof json === "string") {
             context.err(
-                `Not a valid layer: the layerConfig is a string. 'npm run generate:layeroverview' might be needed`
+                `Not a valid layer: the layerConfig is a string. 'npm run generate:layeroverview' might be needed`,
             )
             return undefined
         }
@@ -1707,7 +1711,7 @@ export class ValidateLayer extends Conversion<
                 context
                     .enters("calculatedTags", i)
                     .err(
-                        `Invalid function definition: the custom javascript is invalid:${e}. The offending javascript code is:\n    ${code}`
+                        `Invalid function definition: the custom javascript is invalid:${e}. The offending javascript code is:\n    ${code}`,
                     )
             }
         }
@@ -1755,7 +1759,7 @@ export class ValidateLayer extends Conversion<
             context
                 .enters("allowMove", "enableAccuracy")
                 .err(
-                    "`enableAccuracy` is written with two C in the first occurrence and only one in the last"
+                    "`enableAccuracy` is written with two C in the first occurrence and only one in the last",
                 )
         }
 
@@ -1786,8 +1790,8 @@ export class ValidateFilter extends DesugaringStep<FilterConfigJson> {
                         .enters("fields", i)
                         .err(
                             `Invalid filter: ${type} is not a valid textfield type.\n\tTry one of ${Array.from(
-                                Validators.availableTypes
+                                Validators.availableTypes,
-                            ).join(",")}`
+                            ).join(",")}`,
                         )
                 }
             }
@@ -1804,13 +1808,13 @@ export class DetectDuplicateFilters extends DesugaringStep<{
         super(
             "Tries to detect layers where a shared filter can be used (or where similar filters occur)",
             [],
-            "DetectDuplicateFilters"
+            "DetectDuplicateFilters",
         )
     }
 
     convert(
         json: { layers: LayerConfigJson[]; themes: LayoutConfigJson[] },
-        context: ConversionContext
+        context: ConversionContext,
     ): { layers: LayerConfigJson[]; themes: LayoutConfigJson[] } {
         const { layers, themes } = json
         const perOsmTag = new Map<
@@ -1874,7 +1878,7 @@ export class DetectDuplicateFilters extends DesugaringStep<{
                 filter: FilterConfigJson
             }[]
         >,
-        layout?: LayoutConfigJson | undefined
+        layout?: LayoutConfigJson | undefined,
     ): void {
         if (layer.filter === undefined || layer.filter === null) {
             return
@@ -1914,7 +1918,7 @@ export class DetectDuplicatePresets extends DesugaringStep<LayoutConfig> {
         super(
             "Detects mappings which have identical (english) names or identical mappings.",
             ["presets"],
-            "DetectDuplicatePresets"
+            "DetectDuplicatePresets",
         )
     }
 
@@ -1925,13 +1929,13 @@ export class DetectDuplicatePresets extends DesugaringStep<LayoutConfig> {
         if (new Set(enNames).size != enNames.length) {
             const dups = Utils.Duplicates(enNames)
             const layersWithDup = json.layers.filter((l) =>
-                l.presets.some((p) => dups.indexOf(p.title.textFor("en")) >= 0)
+                l.presets.some((p) => dups.indexOf(p.title.textFor("en")) >= 0),
             )
             const layerIds = layersWithDup.map((l) => l.id)
             context.err(
                 `This theme has multiple presets which are named:${dups}, namely layers ${layerIds.join(
-                    ", "
+                    ", ",
-                )} this is confusing for contributors and is probably the result of reusing the same layer multiple times. Use \`{"override": {"=presets": []}}\` to remove some presets`
+                )} this is confusing for contributors and is probably the result of reusing the same layer multiple times. Use \`{"override": {"=presets": []}}\` to remove some presets`,
             )
         }
 
@@ -1946,17 +1950,17 @@ export class DetectDuplicatePresets extends DesugaringStep<LayoutConfig> {
                     Utils.SameObject(presetATags, presetBTags) &&
                     Utils.sameList(
                         presetA.preciseInput.snapToLayers,
-                        presetB.preciseInput.snapToLayers
+                        presetB.preciseInput.snapToLayers,
                     )
                 ) {
                     context.err(
                         `This theme has multiple presets with the same tags: ${presetATags.asHumanString(
                             false,
                             false,
-                            {}
+                            {},
                         )}, namely the preset '${presets[i].title.textFor("en")}' and '${presets[
                             j
-                        ].title.textFor("en")}'`
+                            ].title.textFor("en")}'`,
                     )
                 }
             }
@@ -1981,13 +1985,13 @@ export class ValidateThemeEnsemble extends Conversion<
         super(
             "Validates that all themes together are logical, i.e. no duplicate ids exists within (overriden) themes",
             [],
-            "ValidateThemeEnsemble"
+            "ValidateThemeEnsemble",
         )
     }
 
     convert(
         json: LayoutConfig[],
-        context: ConversionContext
+        context: ConversionContext,
     ): Map<
         string,
         {
@@ -2038,11 +2042,11 @@ export class ValidateThemeEnsemble extends Conversion<
                 context.err(
                     [
                         "The layer with id '" +
-                            id +
+                        id +
-                            "' is found in multiple themes with different tag definitions:",
+                        "' is found in multiple themes with different tag definitions:",
                         "\t In theme " + oldTheme + ":\t" + oldTags.asHumanString(false, false, {}),
                         "\tIn theme " + theme.id + ":\t" + tags.asHumanString(false, false, {}),
-                    ].join("\n")
+                    ].join("\n"),
                 )
             }
         }

src/Models/ThemeConfig/Json/LayoutConfigJson.ts

@@ -80,6 +80,7 @@ export interface LayoutConfigJson {
      * Either a URL or a base64 encoded value (which should include 'data:image/svg+xml;base64)
      *
      * Type: icon
+     * suggestions: return Constants.defaultPinIcons.map(i => ({if: "value="+i, then: i, icon: i}))
      * group: basic
      *
      */
@@ -156,6 +157,7 @@ export interface LayoutConfigJson {
      * type: layer[]
      * types: hidden | layer | hidden
      * group: layers
+     * title: value["builtin"] ?? value["id"] ?? value
      * suggestions: return Array.from(layers.keys()).map(key => ({if: "value="+key, then: "<b>"+key+"</b> (builtin) - "+layers.get(key).description}))
      *
      * A theme must contain at least one layer.

src/UI/Flowbite/AccordionSingle.svelte

@@ -6,7 +6,7 @@
 
 <Accordion>
   <AccordionItem open={expanded} paddingDefault="p-0" inactiveClass="text-black">
-    <span slot="header" class="p-2 text-base">
+    <span slot="header" class="p-2 text-base w-full">
       <slot name="header" />
     </span>
     <div class="low-interaction rounded-b p-2">

src/UI/Popup/TagRendering/TagRenderingQuestion.svelte

@@ -373,7 +373,6 @@
             {feedback}
             {unit}
             {state}
-            {extraTags}
             feature={selectedElement}
             value={freeformInput}
             unvalidatedText={freeformInputUnvalidated}
@@ -418,7 +417,6 @@
                   {feedback}
                   {unit}
                   {state}
-                  {extraTags}
                   feature={selectedElement}
                   value={freeformInput}
                   unvalidatedText={freeformInputUnvalidated}
@@ -464,7 +462,6 @@
                   {feedback}
                   {unit}
                   {state}
-                  {extraTags}
                   feature={selectedElement}
                   value={freeformInput}
                   unvalidatedText={freeformInputUnvalidated}

src/UI/Studio/CollapsedTagRenderingPreview.svelte

@@ -0,0 +1,207 @@
+<script lang="ts">
+
+  import Translations from "../i18n/Translations"
+  import type { ConfigMeta } from "./configMeta"
+  import Icon from "../Map/Icon.svelte"
+  import Tr from "../Base/Tr.svelte"
+  import { Translation } from "../i18n/Translation"
+  import { UIEventSource } from "../../Logic/UIEventSource"
+  import SchemaBasedInput from "./SchemaBasedInput.svelte"
+  import { TrashIcon } from "@babeard/svelte-heroicons/mini"
+  import QuestionPreview from "./QuestionPreview.svelte"
+  import SchemaBasedMultiType from "./SchemaBasedMultiType.svelte"
+  import { EditJsonState } from "./EditLayerState"
+  import type {
+    QuestionableTagRenderingConfigJson,
+  } from "../../Models/ThemeConfig/Json/QuestionableTagRenderingConfigJson"
+  import { AccordionItem } from "flowbite-svelte"
+
+  export let state: EditJsonState<any>
+
+  export let isTagRenderingBlock: boolean
+  export let schema: ConfigMeta
+  export let currentValue: UIEventSource<(string | QuestionableTagRenderingConfigJson)[]>
+
+  export let value: any
+  export let singular: string
+  export let i: number
+  export let path: (string | number)[] = []
+
+  export let expanded = new UIEventSource(false)
+
+  const subparts: ConfigMeta[] = state
+    .getSchemaStartingWith(schema.path)
+    .filter((part) => part.path.length - 1 === schema.path.length)
+
+  function schemaForMultitype() {
+    const sch = { ...schema }
+    sch.hints.typehint = undefined
+    return sch
+  }
+
+  function fusePath(i: number, subpartPath: string[]): (string | number)[] {
+    const newPath = [...path, i]
+    const toAdd = [...subpartPath]
+    for (const part of path) {
+      if (toAdd[0] === part) {
+        toAdd.splice(0, 1)
+      } else {
+        break
+      }
+    }
+    newPath.push(...toAdd)
+    return newPath
+  }
+
+  function del(i: number) {
+    expanded.setData(false)
+    currentValue.data.splice(i, 1)
+    currentValue.ping()
+  }
+
+  function swap(i: number, j: number) {
+    expanded.setData(false)
+    const x = currentValue.data[i]
+    currentValue.data[i] = currentValue.data[j]
+    currentValue.data[j] = x
+    currentValue.ping()
+  }
+
+  function moveTo(source: number, target: number) {
+    expanded.setData(false)
+    const x = currentValue.data[source]
+    currentValue.data.splice(source, 1)
+    currentValue.data.splice(target, 0, x)
+    currentValue.ping()
+  }
+
+  function genTitle(value: any, singular: string, i: number): Translation {
+    try {
+      if (schema.hints.title) {
+        const v = Function("value", "return " + schema.hints.title)(value)
+        return Translations.T(v)
+      }
+    } catch (e) {
+      console.log(
+        "Warning: could not translate a title for " +
+        `${singular} ${i} with function ` +
+        schema.hints.title +
+        " and value " +
+        JSON.stringify(value),
+      )
+    }
+    return Translations.T(`${singular} ${i}`)
+  }
+
+  let genIconF: (x: any) => { icon: string; color: string } = <any>(
+    Function("value", "return " + schema.hints.icon)
+  )
+
+  function genIcon(value: any): string {
+    return genIconF(value)?.icon
+  }
+
+  function genColor(value: any): string {
+    if (!schema.hints.icon) {
+      return undefined
+    }
+    return genIconF(value)?.color
+  }
+</script>
+
+
+<AccordionItem open={$expanded} paddingDefault="p-0" inactiveClass="text-black m-0" >
+  <div slot="header" class="p-1 text-base w-full m-0 text-black">
+    {#if !isTagRenderingBlock}
+      <div class="flex items-center justify-between w-full">
+        <div class="m-0 flex">
+          {#if schema.hints.icon}
+            <Icon clss="w-6 h-6" icon={genIcon(value)} color={genColor(value)} />
+          {/if}
+          {#if schema.hints.title}
+            <Tr t={genTitle(value, singular, i)} />
+            <div class="subtle ml-2">
+              {singular}
+              {i}
+            </div>
+          {:else}
+            {singular}
+            {i}
+          {/if}
+        </div>
+        <button
+          class="h-fit w-fit rounded-full border border-black p-1"
+          on:click={() => {
+                  del(i)
+                }}
+        >
+          <TrashIcon class="h-4 w-4" />
+        </button>
+      </div>
+    {:else if typeof value === "string"}
+      Builtin: <b>{value}</b>
+      {:else if value["builtin"]}
+      reused tagrendering <span class="font-bold">{JSON.stringify(value["builtin"])}</span>
+    {:else}
+      <Tr cls="font-bold" t={Translations.T(value?.question ?? value?.render)} />
+    {/if}
+  </div>
+  <div class="normal-background p-2">
+    {#if isTagRenderingBlock}
+      <QuestionPreview {state} {path} {schema}>
+        <button
+          on:click={() => {
+                  del(i)
+                }}
+        >
+          <TrashIcon class="h-4 w-4" />
+          Delete this question
+        </button>
+
+        {#if i > 0}
+          <button
+            on:click={() => {
+                    moveTo(i, 0)
+                  }}
+          >
+            Move to front
+          </button>
+
+          <button
+            on:click={() => {
+                    swap(i, i - 1)
+                  }}
+          >
+            Move up
+          </button>
+        {/if}
+        {#if i + 1 < $currentValue.length}
+          <button
+            on:click={() => {
+                    swap(i, i + 1)
+                  }}
+          >
+            Move down
+          </button>
+          <button
+            on:click={() => {
+                    moveTo(i, $currentValue.length - 1)
+                  }}
+          >
+            Move to back
+          </button>
+        {/if}
+      </QuestionPreview>
+    {:else if schema.hints.types}
+      <SchemaBasedMultiType {state} path={fusePath(i, [])} schema={schemaForMultitype()} />
+    {:else}
+      {#each subparts as subpart}
+        <SchemaBasedInput
+          {state}
+          path={fusePath(i, [subpart.path.at(-1)])}
+          schema={subpart}
+        />
+      {/each}
+    {/if}
+  </div>
+</AccordionItem>

src/UI/Studio/EditLayerState.ts

@@ -8,7 +8,7 @@ import {
     Pipe,
 } from "../../Models/ThemeConfig/Conversion/Conversion"
 import { PrepareLayer } from "../../Models/ThemeConfig/Conversion/PrepareLayer"
-import { ValidateLayer, ValidateTheme } from "../../Models/ThemeConfig/Conversion/Validation"
+import { PrevalidateTheme, ValidateLayer, ValidateTheme } from "../../Models/ThemeConfig/Conversion/Validation"
 import { AllSharedLayers } from "../../Customizations/AllSharedLayers"
 import { QuestionableTagRenderingConfigJson } from "../../Models/ThemeConfig/Json/QuestionableTagRenderingConfigJson"
 import { TagUtils } from "../../Logic/Tags/TagUtils"
@@ -33,6 +33,8 @@ export abstract class EditJsonState<T> {
     public readonly schema: ConfigMeta[]
     public readonly category: "layers" | "themes"
     public readonly server: StudioServer
+    public readonly osmConnection: OsmConnection
+
     public readonly showIntro: UIEventSource<"no" | "intro" | "tagrenderings"> = <any>(
         LocalStorageSource.Get("studio-show-intro", "intro")
     )
@@ -51,7 +53,7 @@ export abstract class EditJsonState<T> {
      * The EditLayerUI shows a 'schemaBasedInput' for this path to pop advanced questions out
      */
     public readonly highlightedItem: UIEventSource<HighlightedTagRendering> = new UIEventSource(
-        undefined
+        undefined,
     )
     private sendingUpdates = false
     private readonly _stores = new Map<string, UIEventSource<any>>()
@@ -60,10 +62,12 @@ export abstract class EditJsonState<T> {
         schema: ConfigMeta[],
         server: StudioServer,
         category: "layers" | "themes",
+        osmConnection: OsmConnection,
         options?: {
             expertMode?: UIEventSource<boolean>
-        }
+        },
     ) {
+        this.osmConnection = osmConnection
         this.schema = schema
         this.server = server
         this.category = category
@@ -88,6 +92,10 @@ export abstract class EditJsonState<T> {
                 await this.server.update(id, config, this.category)
             })
         this.messages = this.createMessagesStore()
+        this.register(["credits"], this.osmConnection.userDetails.mapD(u => u.name), false)
+        this.register(["credits:uid"], this.osmConnection.userDetails.mapD(u => u.uid), false)
+
+
     }
 
     public startSavingUpdates(enabled = true) {
@@ -132,7 +140,7 @@ export abstract class EditJsonState<T> {
     public register(
         path: ReadonlyArray<string | number>,
         value: Store<any>,
-        noInitialSync: boolean = true
+        noInitialSync: boolean = true,
     ): () => void {
         const unsync = value.addCallback((v) => {
             this.setValueAt(path, v)
@@ -146,7 +154,7 @@ export abstract class EditJsonState<T> {
     public getSchemaStartingWith(path: string[]) {
         return this.schema.filter(
             (sch) =>
-                !path.some((part, i) => !(sch.path.length > path.length && sch.path[i] === part))
+                !path.some((part, i) => !(sch.path.length > path.length && sch.path[i] === part)),
         )
     }
 
@@ -167,7 +175,7 @@ export abstract class EditJsonState<T> {
         const schemas = this.schema.filter(
             (sch) =>
                 sch !== undefined &&
-                !path.some((part, i) => !(sch.path.length == path.length && sch.path[i] === part))
+                !path.some((part, i) => !(sch.path.length == path.length && sch.path[i] === part)),
         )
         if (schemas.length == 0) {
             console.warn("No schemas found for path", path.join("."))
@@ -257,12 +265,12 @@ class ContextRewritingStep<T> extends Conversion<LayerConfigJson, T> {
     constructor(
         state: DesugaringContext,
         step: Conversion<LayerConfigJson, T>,
-        getTagRenderings: (t: T) => TagRenderingConfigJson[]
+        getTagRenderings: (t: T) => TagRenderingConfigJson[],
     ) {
         super(
             "When validating a layer, the tagRenderings are first expanded. Some builtin tagRendering-calls (e.g. `contact`) will introduce _multiple_ tagRenderings, causing the count to be off. This class rewrites the error messages to fix this",
             [],
-            "ContextRewritingStep"
+            "ContextRewritingStep",
         )
         this._state = state
         this._step = step
@@ -272,7 +280,7 @@ class ContextRewritingStep<T> extends Conversion<LayerConfigJson, T> {
     convert(json: LayerConfigJson, context: ConversionContext): T {
         const converted = this._step.convert(json, context)
         const originalIds = json.tagRenderings?.map(
-            (tr) => (<QuestionableTagRenderingConfigJson>tr)["id"]
+            (tr) => (<QuestionableTagRenderingConfigJson>tr)["id"],
         )
         if (!originalIds) {
             return converted
@@ -307,7 +315,6 @@ class ContextRewritingStep<T> extends Conversion<LayerConfigJson, T> {
 
 export default class EditLayerState extends EditJsonState<LayerConfigJson> {
     // Needed for the special visualisations
-    public readonly osmConnection: OsmConnection
     public readonly imageUploadManager = {
         getCountsFor() {
             return 0
@@ -335,10 +342,9 @@ export default class EditLayerState extends EditJsonState<LayerConfigJson> {
         schema: ConfigMeta[],
         server: StudioServer,
         osmConnection: OsmConnection,
-        options: { expertMode: UIEventSource<boolean> }
+        options: { expertMode: UIEventSource<boolean> },
     ) {
-        super(schema, server, "layers", options)
+        super(schema, server, "layers", osmConnection, options)
-        this.osmConnection = osmConnection
         this.layout = {
             getMatchingLayer: () => {
                 try {
@@ -393,7 +399,7 @@ export default class EditLayerState extends EditJsonState<LayerConfigJson> {
         return new ContextRewritingStep(
             state,
             new Pipe(new PrepareLayer(state), new ValidateLayer("dynamic", false, undefined, true)),
-            (t) => <TagRenderingConfigJson[]>t.raw.tagRenderings
+            (t) => <TagRenderingConfigJson[]>t.raw.tagRenderings,
         )
     }
 
@@ -427,7 +433,7 @@ export default class EditLayerState extends EditJsonState<LayerConfigJson> {
     }
 
     protected async validate(
-        configuration: Partial<LayerConfigJson>
+        configuration: Partial<LayerConfigJson>,
     ): Promise<ConversionMessage[]> {
         const layers = AllSharedLayers.getSharedLayersConfigs()
 
@@ -456,16 +462,19 @@ export class EditThemeState extends EditJsonState<LayoutConfigJson> {
     constructor(
         schema: ConfigMeta[],
         server: StudioServer,
-        options: { expertMode: UIEventSource<boolean> }
+        osmConnection: OsmConnection,
+        options: { expertMode: UIEventSource<boolean> },
     ) {
-        super(schema, server, "themes", options)
+        super(schema, server, "themes", osmConnection, options)
         this.setupFixers()
     }
 
     protected buildValidation(state: DesugaringContext): Conversion<LayoutConfigJson, any> {
-        return new Pipe(
+        return new Pipe(new PrevalidateTheme(),
-            new PrepareTheme(state),
+            new Pipe(
-            new ValidateTheme(undefined, "", false, new Set(state.tagRenderings.keys()))
+                new PrepareTheme(state),
+                new ValidateTheme(undefined, "", false, new Set(state.tagRenderings.keys())),
+            ), true,
         )
     }
 

src/UI/Studio/QuestionPreview.svelte

@@ -1,11 +1,13 @@
 <script lang="ts">
   import type { ConfigMeta } from "./configMeta"
-  import EditLayerState from "./EditLayerState"
+  import EditLayerState, { EditJsonState } from "./EditLayerState"
   import * as questions from "../../assets/generated/layers/questions.json"
   import { ImmutableStore, Store } from "../../Logic/UIEventSource"
   import TagRenderingEditable from "../Popup/TagRendering/TagRenderingEditable.svelte"
   import TagRenderingConfig from "../../Models/ThemeConfig/TagRenderingConfig"
-  import type { QuestionableTagRenderingConfigJson } from "../../Models/ThemeConfig/Json/QuestionableTagRenderingConfigJson.js"
+  import type {
+    QuestionableTagRenderingConfigJson,
+  } from "../../Models/ThemeConfig/Json/QuestionableTagRenderingConfigJson.js"
   import type { TagRenderingConfigJson } from "../../Models/ThemeConfig/Json/TagRenderingConfigJson"
   import FromHtml from "../Base/FromHtml.svelte"
   import ShowConversionMessage from "./ShowConversionMessage.svelte"
@@ -31,15 +33,25 @@
     if (typeof x === "string") {
       return perId[x]
     } else {
-      return [x]
+      return <any>[x]
     }
   })
   let configs: Store<TagRenderingConfig[]> = configJson.map((configs) => {
     if (!configs) {
       return [{ error: "No configuartions found" }]
     }
-    console.log("Regenerating configs")
     return configs.map((config) => {
+      if (config["builtin"]) {
+        let override = ""
+        if (config["override"]) {
+          override = ". Some items are changed with an override. Editing this is not yet supported with Studio."
+        }
+        return new TagRenderingConfig({
+          render: {
+            "en": "This question reuses <b>" + JSON.stringify(config["builtin"]) + "</b>" + override,
+          },
+        })
+      }
       try {
         return new TagRenderingConfig(config)
       } catch (e) {
@@ -47,15 +59,6 @@
       }
     })
   })
-  let id: Store<string> = value.mapD((c) => {
-    if (c?.id) {
-      return c.id
-    }
-    if (typeof c === "string") {
-      return c
-    }
-    return undefined
-  })
 
   let tags = state.testTags
 
@@ -66,11 +69,18 @@
 
 <div class="flex">
   <div class="m-4 flex w-full flex-col">
-    <NextButton clss="primary" on:click={() => state.highlightedItem.setData({ path, schema })}>
+    {#if $configJson.some(config => config["builtin"] !== undefined)}
-      {#if schema.hints.question}
+      <div class="interactive p-2 rounded-2xl">
-        {schema.hints.question}
+        This question uses an advanced 'builtin'+'override' construction in the source code.
-      {/if}
+        Editing this with Studio is not supported.
-    </NextButton>
+      </div>
+    {:else}
+      <NextButton clss="primary" on:click={() => state.highlightedItem.setData({ path, schema })}>
+        {#if schema.hints.question}
+          {schema.hints.question}
+        {/if}
+      </NextButton>
+    {/if}
     {#if description}
       <Markdown src={description} />
     {/if}
@@ -86,6 +96,7 @@
     {#each $configs as config}
       {#if config.error !== undefined}
         <div class="alert">Could not create a preview of this tagRendering: {config.error}</div>
+        {JSON.stringify($value)}
       {:else if config.condition && !config.condition.matchesProperties($tags)}
         This tagRendering is currently not shown. It will appear if the feature matches the
         condition

src/UI/Studio/RawEditor.svelte

@@ -8,6 +8,15 @@
 
   export let state: EditLayerState | EditThemeState
 
+  let rawConfig = state.configuration.sync(f => JSON.stringify(f, null, "  "), [], json => {
+    try {
+      return JSON.parse(json)
+    } catch (e) {
+      console.error("Could not parse", json)
+      return undefined
+    }
+  })
+
   let container: HTMLDivElement
   let monaco: typeof Monaco
   let editor: Monaco.editor.IStandaloneCodeEditor
@@ -34,13 +43,19 @@
     return () => window.removeEventListener("keydown", handler)
   })
 
+  let useFallback = false
   onMount(async () => {
     const monacoEditor = await import("monaco-editor")
     loader.config({
       monaco: monacoEditor.default,
     })
 
-    monaco = await loader.init()
+    try {
+      monaco = await loader.init()
+    } catch (e) {
+      console.error("Could not load Monaco Editor, falling back", e)
+      useFallback = true
+    }
 
     // Determine schema based on the state
     let schemaUri: string
@@ -50,7 +65,7 @@
       schemaUri = "https://mapcomplete.org/schemas/layoutconfig.json"
     }
 
-    monaco.languages.json.jsonDefaults.setDiagnosticsOptions({
+    monaco?.languages?.json?.jsonDefaults?.setDiagnosticsOptions({
       validate: true,
       schemas: [
         {
@@ -64,23 +79,28 @@
       ],
     })
 
-    let modelUri = monaco.Uri.parse("inmemory://inmemory/file.json")
+    let modelUri = monaco?.Uri?.parse("inmemory://inmemory/file.json")
 
     // Create a new model
-    model = monaco.editor.createModel(
+    try {
-      JSON.stringify(state.configuration.data, null, "  "),
+      model = monaco?.editor?.createModel(
-      "json",
+        JSON.stringify(state.configuration.data, null, "  "),
-      modelUri
+        "json",
-    )
+        modelUri,
+      )
+    } catch (e) {
+      console.error("Could not create model in MOnaco Editor", e)
+      useFallback = true
+    }
 
-    editor = monaco.editor.create(container, {
+    editor = monaco?.editor?.create(container, {
       model,
       automaticLayout: true,
     })
 
     // When the editor is changed, update the configuration, but only if the user hasn't typed for 500ms and the JSON is valid
     let timeout: number
-    editor.onDidChangeModelContent(() => {
+    editor?.onDidChangeModelContent(() => {
       clearTimeout(timeout)
       timeout = setTimeout(() => {
         save()
@@ -98,4 +118,8 @@
   })
 </script>
 
-<div bind:this={container} class="h-full w-full" />
+{#if useFallback}
+  <textarea class="w-full" rows="25" bind:value={$rawConfig} />
+{:else}
+  <div bind:this={container} class="h-full w-full" />
+{/if}

src/UI/Studio/Region.svelte

@@ -4,9 +4,10 @@
    * They will typically be a subset of some properties
    */
   import type { ConfigMeta } from "./configMeta"
-  import EditLayerState from "./EditLayerState"
+  import EditLayerState, { EditJsonState } from "./EditLayerState"
   import SchemaBasedInput from "./SchemaBasedInput.svelte"
   import AccordionSingle from "../Flowbite/AccordionSingle.svelte"
+  import { Utils } from "../../Utils"
 
   export let state: EditLayerState
   export let configs: ConfigMeta[]
@@ -30,8 +31,8 @@
     <div slot="header">{title}</div>
     <div class="flex w-full flex-col gap-y-1 pl-2">
       <slot name="description" />
-      {#each configsFiltered as config}
+      {#each configsFiltered as config (config.path)}
-        <SchemaBasedInput {state} path={config.path} schema={config} />
+        <SchemaBasedInput {state} path={config.path} } />
       {/each}
     </div>
   </AccordionSingle>

src/UI/Studio/SchemaBasedArray.svelte

@@ -1,24 +1,21 @@
 <script lang="ts">
-  import EditLayerState from "./EditLayerState"
+  import { EditJsonState } from "./EditLayerState"
   import type { ConfigMeta } from "./configMeta"
-  import { UIEventSource } from "../../Logic/UIEventSource"
-  import SchemaBasedInput from "./SchemaBasedInput.svelte"
   import SchemaBasedField from "./SchemaBasedField.svelte"
   import { TrashIcon } from "@babeard/svelte-heroicons/mini"
-  import QuestionPreview from "./QuestionPreview.svelte"
-  import SchemaBasedMultiType from "./SchemaBasedMultiType.svelte"
   import ShowConversionMessage from "./ShowConversionMessage.svelte"
   import Markdown from "../Base/Markdown.svelte"
-  import AccordionSingle from "../Flowbite/AccordionSingle.svelte"
+  import { Utils } from "../../Utils"
-  import Icon from "../Map/Icon.svelte"
+  import type { QuestionableTagRenderingConfigJson } from "../../Models/ThemeConfig/Json/QuestionableTagRenderingConfigJson"
-  import Tr from "../Base/Tr.svelte"
+  import CollapsedTagRenderingPreview from "./CollapsedTagRenderingPreview.svelte"
-  import Translations from "../i18n/Translations"
+  import { Accordion } from "flowbite-svelte"
 
-  export let state: EditLayerState
+  export let state: EditJsonState<any>
+  export let path: (string | number)[] = []
   export let schema: ConfigMeta
 
+  schema = Utils.Clone(schema)
   let title = schema.path.at(-1)
-  console.log(">>>", schema)
   let singular = title
   if (title?.endsWith("s")) {
     singular = title.slice(0, title.length - 1)
@@ -27,7 +24,6 @@
   if (singular?.match(/^[aeoui]/)) {
     article = "an"
   }
-  export let path: (string | number)[] = []
 
   const isTagRenderingBlock = path.length === 1 && path[0] === "tagRenderings"
 
@@ -41,12 +37,12 @@
     .filter((part) => part.path.length - 1 === schema.path.length)
   let messages = state.messagesFor(path)
 
-  const currentValue: UIEventSource<any[]> = state.getStoreFor(path)
+  const currentValue = state.getStoreFor<(string | QuestionableTagRenderingConfigJson)[]>(path)
   if (currentValue.data === undefined) {
     currentValue.setData([])
   }
 
-  function createItem(valueToSet?: any) {
+  function createItem(valueToSet?: string | QuestionableTagRenderingConfigJson) {
     if (currentValue.data === undefined) {
       currentValue.setData([])
     }
@@ -72,64 +68,13 @@
     return newPath
   }
 
-  function schemaForMultitype() {
-    const sch = { ...schema }
-    sch.hints.typehint = undefined
-    return sch
-  }
-
   function del(i: number) {
     currentValue.data.splice(i, 1)
     currentValue.ping()
   }
 
-  function swap(i: number, j: number) {
-    const x = currentValue.data[i]
-    currentValue.data[i] = currentValue.data[j]
-    currentValue.data[j] = x
-    currentValue.ping()
-  }
 
-  function moveTo(source: number, target: number) {
-    const x = currentValue.data[source]
-    currentValue.data.splice(source, 1)
-    currentValue.data.splice(target, 0, x)
-    currentValue.ping()
-  }
 
-  function genTitle(value: any, singular: string, i: number): Translation {
-    try {
-      if (schema.hints.title) {
-        const v = Function("value", "return " + schema.hints.title)(value)
-        return Translations.T(v)
-      }
-    } catch (e) {
-      console.log(
-        "Warning: could not translate a title for " +
-          `${singular} ${i} with function ` +
-          schema.hints.title +
-          " and value " +
-          JSON.stringify(value)
-      )
-    }
-    return Translations.T(`${singular} ${i}`)
-  }
-
-  let genIconF: (x: any) => { icon: string; color: string } = <any>(
-    Function("value", "return " + schema.hints.icon)
-  )
-  console.log("Icon lambda is", schema.hints.icon, path, genIconF("test"))
-
-  function genIcon(value: any): string {
-    return genIconF(value)?.icon
-  }
-
-  function genColor(value: any): string {
-    if (!schema.hints.icon) {
-      return undefined
-    }
-    return genIconF(value)?.color
-  }
 </script>
 
 <div class="pl-2">
@@ -163,99 +108,11 @@
       </div>
     {/each}
   {:else}
-    {#each $currentValue as value, i}
+    <Accordion>
-      <AccordionSingle expanded={false}>
+    {#each $currentValue as value, i  (value)}
-        <span slot="header">
+      <CollapsedTagRenderingPreview {state} {isTagRenderingBlock} {schema} {currentValue} {value} {i} {singular} path={fusePath(i, [])}/>
-          {#if !isTagRenderingBlock}
-            <div class="flex items-center justify-between">
-              <h3 class="m-0 flex">
-                {#if schema.hints.icon}
-                  <Icon clss="w-6 h-6" icon={genIcon(value)} color={genColor(value)} />
-                {/if}
-                {singular}
-                {i}
-
-                {#if schema.hints.title}
-                  <div class="subtle ml-2">
-                    <Tr t={genTitle(value, singular, i)} />
-                  </div>
-                {/if}
-              </h3>
-              <button
-                class="h-fit w-fit rounded-full border border-black p-1"
-                on:click={() => {
-                  del(i)
-                }}
-              >
-                <TrashIcon class="h-4 w-4" />
-              </button>
-            </div>
-          {:else if typeof value === "string"}
-            Builtin: <b>{value}</b>
-          {:else}
-            <Tr cls="font-bold" t={Translations.T(value?.question ?? value?.render)} />
-          {/if}
-        </span>
-        <div class="normal-background p-2">
-          {#if isTagRenderingBlock}
-            <QuestionPreview {state} path={fusePath(i, [])} {schema}>
-              <button
-                on:click={() => {
-                  del(i)
-                }}
-              >
-                <TrashIcon class="h-4 w-4" />
-                Delete this question
-              </button>
-
-              {#if i > 0}
-                <button
-                  on:click={() => {
-                    moveTo(i, 0)
-                  }}
-                >
-                  Move to front
-                </button>
-
-                <button
-                  on:click={() => {
-                    swap(i, i - 1)
-                  }}
-                >
-                  Move up
-                </button>
-              {/if}
-              {#if i + 1 < $currentValue.length}
-                <button
-                  on:click={() => {
-                    swap(i, i + 1)
-                  }}
-                >
-                  Move down
-                </button>
-                <button
-                  on:click={() => {
-                    moveTo(i, $currentValue.length - 1)
-                  }}
-                >
-                  Move to back
-                </button>
-              {/if}
-            </QuestionPreview>
-          {:else if schema.hints.types}
-            <SchemaBasedMultiType {state} path={fusePath(i, [])} schema={schemaForMultitype()} />
-          {:else}
-            {#each subparts as subpart}
-              <SchemaBasedInput
-                {state}
-                path={fusePath(i, [subpart.path.at(-1)])}
-                schema={subpart}
-              />
-            {/each}
-          {/if}
-        </div>
-      </AccordionSingle>
     {/each}
+    </Accordion>
   {/if}
   <div class="flex">
     <button on:click={() => createItem()}>Add {article} {singular}</button>

src/UI/Studio/SchemaBasedField.svelte

@@ -4,13 +4,13 @@
   import TagRenderingEditable from "../Popup/TagRendering/TagRenderingEditable.svelte"
   import TagRenderingConfig from "../../Models/ThemeConfig/TagRenderingConfig"
   import type { QuestionableTagRenderingConfigJson } from "../../Models/ThemeConfig/Json/QuestionableTagRenderingConfigJson"
-  import EditLayerState from "./EditLayerState"
+  import { EditJsonState } from "./EditLayerState"
   import { onDestroy } from "svelte"
   import type { JsonSchemaType } from "./jsonSchema"
   import { ConfigMetaUtils } from "./configMeta"
   import ShowConversionMessage from "./ShowConversionMessage.svelte"
 
-  export let state: EditLayerState
+  export let state: EditJsonState<any>
   export let path: (string | number)[] = []
   export let schema: ConfigMeta
   export let startInEditModeIfUnset: boolean = schema.hints && !schema.hints.ifunset

src/UI/Studio/SchemaBasedInput.svelte

@@ -1,14 +1,15 @@
 <script lang="ts">
   import type { ConfigMeta } from "./configMeta"
   import SchemaBasedField from "./SchemaBasedField.svelte"
-  import EditLayerState from "./EditLayerState"
+  import { EditJsonState } from "./EditLayerState"
   import SchemaBasedArray from "./SchemaBasedArray.svelte"
   import SchemaBasedMultiType from "./SchemaBasedMultiType.svelte"
   import ArrayMultiAnswer from "./ArrayMultiAnswer.svelte"
 
-  export let schema: ConfigMeta
+  export let state: EditJsonState<any>
-  export let state: EditLayerState
   export let path: (string | number)[] = []
+  console.log("Fetched schema:", path, state.getSchema(<any> path))
+  let schema: ConfigMeta = state.getSchema(<any> path)[0]
   let expertMode = state.expertMode
 </script>
 

src/UI/Studio/SchemaBasedMultiType.svelte

@@ -204,9 +204,10 @@
 </script>
 
 <div class="m-1 flex flex-col gap-y-2 border-2 border-dashed border-gray-300 p-2">
-  {#if schema.hints.title !== undefined}
+  {#if schema.hints.title !== undefined && typeof path.at(-1) !== "number"}
     <h3>{schema.hints.title}</h3>
     <div>{schema.description}</div>
+    {path.join(".")}
   {/if}
   {#if hasOverride}
     This object refers to {existingValue.builtin} and overrides some properties. This cannot be edited
@@ -221,7 +222,6 @@
         {#if $expertMode || subschema.hints?.group !== "expert"}
           <SchemaBasedInput
             {state}
-            schema={subschema}
             path={[...subpath, subschema?.path?.at(-1) ?? "???"]}
           />
         {:else if window.location.hostname === "127.0.0.1"}

src/UI/StudioGUI.svelte

@@ -42,9 +42,11 @@
     undefined,
     "Used to complete the login"
   )
+  const fakeUser = UIEventSource.asBoolean( QueryParameters.GetQueryParameter("fake-user", "Test switch for fake login"))
   let osmConnection = new OsmConnection({
     oauth_token,
     checkOnlineRegularly: true,
+    fakeUser: fakeUser.data
   })
   const expertMode = UIEventSource.asBoolean(
     osmConnection.GetPreference("studio-expert-mode", "false", {
@@ -129,7 +131,7 @@
   let showIntro = editLayerState.showIntro
 
   const layoutSchema: ConfigMeta[] = <any>layoutSchemaRaw
-  let editThemeState = new EditThemeState(layoutSchema, studio, { expertMode })
+  let editThemeState = new EditThemeState(layoutSchema, studio, osmConnection, { expertMode })
 
   const version = meta.version
 

src/index.css

@@ -335,6 +335,17 @@ textarea {
   color: black;
 }
 
+h2.group {
+    /* For flowbite accordions */
+    margin: 0;
+}
+
+.group button {
+    /* For flowbite accordions */
+
+    border-radius: 0;
+}
+
 /************************* OTHER CATEGORIES ********************************/
 
 /**