forked from MapComplete/MapComplete
677 lines
26 KiB
TypeScript
677 lines
26 KiB
TypeScript
import {
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Concat,
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Conversion,
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DesugaringContext,
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DesugaringStep,
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Each,
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Fuse,
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On,
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Pass,
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SetDefault,
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} from "./Conversion"
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import { ThemeConfigJson } from "../Json/ThemeConfigJson"
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import { PrepareLayer, RewriteSpecial } from "./PrepareLayer"
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import { LayerConfigJson } from "../Json/LayerConfigJson"
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import { Utils } from "../../../Utils"
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import Constants from "../../Constants"
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import LayerConfig from "../LayerConfig"
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import { TagRenderingConfigJson } from "../Json/TagRenderingConfigJson"
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import DependencyCalculator from "../DependencyCalculator"
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import { AddContextToTranslations } from "./AddContextToTranslations"
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import ValidationUtils from "./ValidationUtils"
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import { ConversionContext } from "./ConversionContext"
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class SubstituteLayer extends Conversion<string | LayerConfigJson, LayerConfigJson[]> {
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private readonly _state: DesugaringContext
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constructor(state: DesugaringContext) {
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super(
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"SubstituteLayer",
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"Converts the identifier of a builtin layer into the actual layer, or converts a 'builtin' syntax with override in the fully expanded form. Note that 'tagRenderings+' will be inserted before 'leftover-questions'",
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[]
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)
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this._state = state
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}
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convert(json: string | LayerConfigJson, context: ConversionContext): LayerConfigJson[] {
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const state = this._state
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function reportNotFound(name: string) {
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const knownLayers = Array.from(state.sharedLayers.keys())
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const withDistance: [string, number][] = knownLayers.map((lname) => [
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lname,
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Utils.levenshteinDistance(name, lname),
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])
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withDistance.sort((a, b) => a[1] - b[1])
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const ids = withDistance.map((n) => n[0])
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// Known builtin layers are "+.join(",")+"\n For more information, see "
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context.err(`The layer with name ${name} was not found as a builtin layer. Perhaps you meant ${ids[0]}, ${ids[1]} or ${ids[2]}?
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For an overview of all available layers, refer to https://source.mapcomplete.org/MapComplete/MapComplete/src/branch/develop/Docs/BuiltinLayers.md`)
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}
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if (typeof json === "string") {
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const found = state.sharedLayers.get(json)
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if (found === undefined) {
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reportNotFound(json)
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return null
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}
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return [found]
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}
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if (json["builtin"] === undefined) {
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return [json]
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}
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let names = json["builtin"]
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if (typeof names === "string") {
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names = [names]
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}
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const layers = []
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for (const name of names) {
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const found = Utils.Clone(state.sharedLayers.get(name))
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if (found === undefined) {
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const nearbyNames = Utils.sortedByLevenshteinDistance(name, Array.from(state.sharedLayers.keys()))
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context.err("Layer with name " + name + " not found. Dit you mean one of "+nearbyNames.slice(0, 3))
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continue
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}
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found["_basedOn"] = name
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if (found === undefined) {
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reportNotFound(name)
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continue
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}
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if (
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json["override"]["tagRenderings"] !== undefined &&
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(found["tagRenderings"] ?? []).length > 0
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) {
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context.err(
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`When overriding a layer, an override is not allowed to override into tagRenderings. Use "+tagRenderings" or "tagRenderings+" instead to prepend or append some questions.`
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)
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}
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try {
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const trPlus = json["override"]["tagRenderings+"]
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if (trPlus) {
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let index = found.tagRenderings.findIndex(
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(tr) => tr["id"] === "leftover-questions"
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)
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if (index < 0) {
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index = found.tagRenderings.length
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}
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found.tagRenderings.splice(index, 0, ...trPlus)
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delete json["override"]["tagRenderings+"]
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}
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context.MergeObjectsForOverride(json["override"], found)
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layers.push(found)
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} catch (e) {
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context.err(
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`Could not apply an override due to: ${e}.\nThe override is: ${JSON.stringify(
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json["override"]
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)}`
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)
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}
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if (json["hideTagRenderingsWithLabels"]) {
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if (typeof json["hideTagRenderingsWithLabels"] === "string") {
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throw (
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"At " +
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context +
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".hideTagRenderingsWithLabels should be a list containing strings, you specified a string"
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)
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}
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const hideLabels: Set<string> = new Set(json["hideTagRenderingsWithLabels"])
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// These labels caused at least one deletion
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const usedLabels: Set<string> = new Set<string>()
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const filtered = []
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for (const tr of found.tagRenderings) {
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const labels = tr["labels"]
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if (labels !== undefined) {
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const forbiddenLabel = labels.findIndex((l) => hideLabels.has(l))
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if (forbiddenLabel >= 0) {
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usedLabels.add(labels[forbiddenLabel])
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context.info(
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"Dropping tagRendering " +
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tr["id"] +
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" as it has a forbidden label: " +
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labels[forbiddenLabel]
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)
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continue
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}
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}
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if (hideLabels.has(tr["id"])) {
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usedLabels.add(tr["id"])
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context.info(
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"Dropping tagRendering " + tr["id"] + " as its id is a forbidden label"
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)
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continue
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}
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if (hideLabels.has(tr["group"])) {
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usedLabels.add(tr["group"])
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context.info(
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"Dropping tagRendering " +
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tr["id"] +
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" as its group `" +
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tr["group"] +
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"` is a forbidden label"
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)
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continue
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}
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filtered.push(tr)
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}
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const unused = Array.from(hideLabels).filter((l) => !usedLabels.has(l))
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if (unused.length > 0) {
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context.err(
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`You are attempting to import layer '${
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found.id
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}' in this theme. This layer import specifies that certain tagrenderings have to be removed based on forbidden ids and/or labels. One or more of these forbidden ids did not match any tagRenderings and caused no deletions: ${unused.join(
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", "
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)}
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This means that this label can be removed or that the original tagRendering that should be deleted does not have this label anymore`
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)
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}
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found.tagRenderings = filtered
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}
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}
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return layers
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}
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}
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export class AddDefaultLayers extends DesugaringStep<ThemeConfigJson> {
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private readonly _state: DesugaringContext
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constructor(state: DesugaringContext) {
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super(
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"AddDefaultLayers",
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"Adds the default layers, namely: " + Constants.added_by_default.join(", ")
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)
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this._state = state
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}
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convert(json: ThemeConfigJson, context: ConversionContext): ThemeConfigJson {
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const state = this._state
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json.layers = Utils.NoNull([...(json.layers ?? [])])
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const alreadyLoaded = new Set(json.layers.map((l) => l["id"]))
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for (const layerName of Constants.added_by_default) {
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const v = state.sharedLayers.get(layerName)
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if (v === undefined) {
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const msg = `Default layer ${layerName} not found. ${state.sharedLayers.size} layers are available`
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if (layerName === "favourite") {
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continue
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}
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context.err(msg)
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continue
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}
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if (alreadyLoaded.has(v.id)) {
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context.warn(
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"Layout " +
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context +
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" already has a layer with name " +
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v.id +
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"; skipping inclusion of this builtin layer"
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)
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continue
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}
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json.layers.push(v)
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}
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return json
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}
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}
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class AddContextToTranslationsInLayout extends DesugaringStep<ThemeConfigJson> {
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constructor() {
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super(
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"AddContextToTranlationsInLayout",
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"Adds context to translations, including the prefix 'themes:json.id'; this is to make sure terms in an 'overrides' or inline layer are linkable too"
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)
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}
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convert(json: ThemeConfigJson): ThemeConfigJson {
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const conversion = new AddContextToTranslations<ThemeConfigJson>("themes:")
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// The context is used to generate the 'context' in the translation .It _must_ be `json.id` to correctly link into weblate
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return conversion.convert(
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json,
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ConversionContext.construct([json.id], ["AddContextToTranslation"])
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)
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}
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}
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class ApplyOverrideAll extends DesugaringStep<ThemeConfigJson> {
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constructor() {
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super(
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"ApplyOverrideAll",
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"Applies 'overrideAll' onto every 'layer'. The 'overrideAll'-field is removed afterwards"
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)
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}
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convert(json: ThemeConfigJson, ctx: ConversionContext): ThemeConfigJson {
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const overrideAll = json.overrideAll
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if (overrideAll === undefined) {
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return json
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}
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json = { ...json }
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delete json.overrideAll
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const newLayers = []
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let tagRenderingsPlus = undefined
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if (overrideAll["tagRenderings+"] !== undefined) {
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tagRenderingsPlus = overrideAll["tagRenderings+"]
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delete overrideAll["tagRenderings+"]
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}
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for (let layer of json.layers) {
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layer = Utils.Clone(<LayerConfigJson>layer)
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ctx.MergeObjectsForOverride(overrideAll, layer)
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if (tagRenderingsPlus) {
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if (!layer.tagRenderings) {
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layer.tagRenderings = tagRenderingsPlus
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} else {
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let index = layer.tagRenderings.findIndex(
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(tr) => tr["id"] === "leftover-questions"
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)
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if (index < 0) {
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index = layer.tagRenderings.length - 1
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}
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layer.tagRenderings.splice(index, 0, ...tagRenderingsPlus)
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}
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}
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newLayers.push(layer)
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}
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json.layers = newLayers
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return json
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}
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}
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class AddDependencyLayersToTheme extends DesugaringStep<ThemeConfigJson> {
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private readonly _state: DesugaringContext
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constructor(state: DesugaringContext) {
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super(
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"AddDependencyLayersToTheme",
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`If a layer has a dependency on another layer, these layers are added automatically on the theme. (For example: defibrillator depends on 'walls_and_buildings' to snap onto. This layer is added automatically)`
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)
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this._state = state
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}
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private static CalculateDependencies(
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alreadyLoaded: LayerConfigJson[],
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allKnownLayers: Map<string, LayerConfigJson>,
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themeId: string,
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context: ConversionContext
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): { config: LayerConfigJson; reason: string }[] {
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const dependenciesToAdd: { config: LayerConfigJson; reason: string }[] = []
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const loadedLayerIds: Set<string> = new Set<string>(alreadyLoaded.map((l) => l?.id))
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// Verify cross-dependencies
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let unmetDependencies: {
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neededLayer: string
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neededBy: string
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reason: string
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context?: string
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minzoom?: number
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}[] = []
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do {
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const dependencies: {
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neededLayer: string
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reason: string
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context?: string
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neededBy: string
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checkHasSnapName: boolean
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minzoom?: number
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}[] = []
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for (const layerConfig of alreadyLoaded) {
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try {
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const layerDeps = DependencyCalculator.getLayerDependencies(
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new LayerConfig(layerConfig, themeId + "(dependencies)")
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)
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dependencies.push(...layerDeps)
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} catch (e) {
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console.error(e)
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throw (
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"Detecting layer dependencies for " +
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layerConfig?.id +
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" failed due to " +
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e
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)
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}
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}
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for (const dependency of dependencies) {
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if (loadedLayerIds.has(dependency.neededLayer)) {
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// We mark the needed layer as 'mustLoad'
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const loadedLayer = alreadyLoaded.find((l) => l.id === dependency.neededLayer)
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loadedLayer.forceLoad = true
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if (dependency.checkHasSnapName && !loadedLayer.snapName) {
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context
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.enters("layer dependency")
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.err(
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"Layer " +
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dependency.neededLayer +
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" is loaded because " +
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dependency.reason +
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"; so it must specify a `snapName`. This is used in the sentence `move this point to snap it to {snapName}`"
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)
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}
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}
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}
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// During the generate script, builtin layers are verified but not loaded - so we have to add them manually here
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// Their existence is checked elsewhere, so this is fine
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unmetDependencies = dependencies.filter((dep) => !loadedLayerIds.has(dep.neededLayer))
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for (const unmetDependency of unmetDependencies) {
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if (loadedLayerIds.has(unmetDependency.neededLayer)) {
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continue
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}
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const dep = Utils.Clone(allKnownLayers.get(unmetDependency.neededLayer))
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const reason =
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"This layer is needed by " +
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unmetDependency.neededBy +
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" because " +
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unmetDependency.reason +
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" (at " +
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unmetDependency.context +
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")"
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if (dep === undefined) {
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const message = [
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"Loading a dependency failed: layer " +
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unmetDependency.neededLayer +
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" is not found, neither as layer of " +
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themeId +
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" nor as builtin layer.",
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reason,
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"Loaded layers are: " + alreadyLoaded.map((l) => l.id).join(","),
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]
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throw message.join("\n\t")
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}
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dep.forceLoad = true
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dep.passAllFeatures = true
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dep.description = reason
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dep.minzoom = unmetDependency.minzoom ?? dep.minzoom
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dependenciesToAdd.unshift({
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config: dep,
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reason,
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})
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loadedLayerIds.add(dep.id)
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unmetDependencies = unmetDependencies.filter(
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(d) => d.neededLayer !== unmetDependency.neededLayer
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)
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}
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} while (unmetDependencies.length > 0)
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return dependenciesToAdd
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}
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convert(theme: ThemeConfigJson, context: ConversionContext): ThemeConfigJson {
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const state = this._state
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const allKnownLayers: Map<string, LayerConfigJson> = state.sharedLayers
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const knownTagRenderings: Map<string, TagRenderingConfigJson> = state.tagRenderings
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// Current layers in the theme
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const layers: LayerConfigJson[] = <LayerConfigJson[]>theme.layers // Layers should be expanded at this point
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knownTagRenderings.forEach((value, key) => {
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value["id"] = key
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})
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const dependencies = AddDependencyLayersToTheme.CalculateDependencies(
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layers,
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allKnownLayers,
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theme.id,
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context
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)
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if (dependencies.length > 0) {
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for (const dependency of dependencies) {
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context.info(
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"Added " + dependency.config.id + " to the theme. " + dependency.reason
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)
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}
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}
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/**
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* Must be added to the _end_ of the layer list:
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* - Imagine that 'walls_and_buildings' is added...
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* - but there is a layer about a specific type of building already
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* Adding it up front would cause 'walls_and_buildings' to be triggered
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*/
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layers.push(...dependencies.map((l) => l.config))
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return {
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...theme,
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layers: layers,
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}
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}
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}
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class PreparePersonalTheme extends DesugaringStep<ThemeConfigJson> {
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private readonly _state: DesugaringContext
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constructor(state: DesugaringContext) {
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super("PreparePersonalTheme", "Adds every public layer to the personal theme")
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this._state = state
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}
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convert(json: ThemeConfigJson, context: ConversionContext): ThemeConfigJson {
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if (json.id !== "personal") {
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return json
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}
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// The only thing this _really_ does, is adding the layer-ids into 'layers'
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// All other preparations are done by the 'override-all'-block in personal.json
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json.layers = Array.from(this._state.sharedLayers.keys())
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.filter((l) => this._state.sharedLayers.get(l).source !== null)
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.filter((l) => this._state.publicLayers.has(l))
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context.info("The personal theme has " + json.layers.length + " public layers")
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return json
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}
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}
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class WarnForUnsubstitutedLayersInTheme extends DesugaringStep<ThemeConfigJson> {
|
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constructor() {
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super(
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"WarnForUnsubstitutedLayersInTheme",
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"Generates a warning if a theme uses an inline layer; we recommend splitting of all layers in separate files"
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)
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}
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convert(json: ThemeConfigJson, context: ConversionContext): ThemeConfigJson {
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if (json.hideFromOverview === true) {
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return json
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}
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if ((json.layers ?? []).length === 0) {
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context
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.enter("layers")
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.err(
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"No layers are defined. You must define at least one layer to have a valid theme"
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)
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return json
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}
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if (!Array.isArray(json.layers)) {
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context
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.enter("layers")
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.err("Can not iterate over layers in theme, it is a " + JSON.stringify(json.layers))
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return json
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}
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for (const layer of json.layers) {
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if (typeof layer === "string") {
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continue
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}
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if (layer["builtin"] !== undefined) {
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continue
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}
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if(layer["override"]!==undefined){
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context.err("Got an `override` block without a `builtin`-specification")
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continue
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}
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if (layer["source"]?.["geojson"] !== undefined) {
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// We turn a blind eye for import layers
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continue
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}
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context.warn(
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"The theme " +
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json.id +
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" has an inline layer: " +
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layer["id"] +
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". This is discouraged."
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)
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}
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return json
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}
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}
|
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class PostvalidateTheme extends DesugaringStep<ThemeConfigJson> {
|
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private readonly _state: DesugaringContext
|
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|
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constructor(state: DesugaringContext) {
|
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super("PostvalidateTheme", "Various validation steps when everything is done")
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this._state = state
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}
|
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|
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convert(json: ThemeConfigJson, context: ConversionContext): ThemeConfigJson {
|
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for (const l of json.layers) {
|
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const layer = <LayerConfigJson>l
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const basedOn = <string>layer["_basedOn"]
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if (!basedOn) {
|
|
continue
|
|
}
|
|
if (layer["name"] === null) {
|
|
continue
|
|
}
|
|
const sameBasedOn = <LayerConfigJson[]>(
|
|
json.layers.filter(
|
|
(l) => l["_basedOn"] === layer["_basedOn"] && l["id"] !== layer.id
|
|
)
|
|
)
|
|
const minZoomAll = Math.min(...sameBasedOn.map((sbo) => sbo.minzoom))
|
|
|
|
const sameNameDetected = sameBasedOn.some(
|
|
(same) => JSON.stringify(layer["name"]) === JSON.stringify(same["name"])
|
|
)
|
|
if (!sameNameDetected) {
|
|
// The name is unique, so it'll won't be confusing
|
|
continue
|
|
}
|
|
if (minZoomAll < layer.minzoom) {
|
|
context.err(
|
|
"There are multiple layers based on " +
|
|
basedOn +
|
|
". The layer with id " +
|
|
layer.id +
|
|
" has a minzoom of " +
|
|
layer.minzoom +
|
|
", and has a name set. Another similar layer has a lower minzoom. As such, the layer selection might show 'zoom in to see features' even though some of the features are already visible. Set `\"name\": null` for this layer and eventually remove the 'name':null for the other layer."
|
|
)
|
|
}
|
|
}
|
|
|
|
for (const layer of json.layers) {
|
|
if (typeof layer === "string") {
|
|
continue
|
|
}
|
|
const config = <LayerConfigJson>layer
|
|
const sameAs = config.filter?.["sameAs"]
|
|
if (!sameAs) {
|
|
continue
|
|
}
|
|
|
|
const matchingLayer = json.layers.find((l) => l["id"] === sameAs)
|
|
if (!matchingLayer) {
|
|
const closeLayers = Utils.sortedByLevenshteinDistance(
|
|
sameAs,
|
|
json.layers,
|
|
(l) => l["id"]
|
|
).map((l) => l["id"])
|
|
context
|
|
.enters("layers", config.id, "filter", "sameAs")
|
|
.err(
|
|
"The layer " +
|
|
config.id +
|
|
" follows the filter state of layer " +
|
|
sameAs +
|
|
", but no layer with this name was found.\n\tDid you perhaps mean one of: " +
|
|
closeLayers.slice(0, 3).join(", ")
|
|
)
|
|
}
|
|
}
|
|
|
|
return json
|
|
}
|
|
}
|
|
|
|
export class PrepareTheme extends Fuse<ThemeConfigJson> {
|
|
private state: DesugaringContext
|
|
|
|
constructor(
|
|
state: DesugaringContext,
|
|
options?: {
|
|
skipDefaultLayers: false | boolean
|
|
}
|
|
) {
|
|
super(
|
|
"Fully prepares and expands a theme",
|
|
new AddContextToTranslationsInLayout(),
|
|
new PreparePersonalTheme(state),
|
|
new WarnForUnsubstitutedLayersInTheme(),
|
|
new On("layers", new Concat(new SubstituteLayer(state))),
|
|
|
|
new SetDefault("socialImage", "assets/SocialImage.png", true),
|
|
// We expand all tagrenderings first...
|
|
new On("layers", new Each(new PrepareLayer(state))),
|
|
new On(
|
|
"popup",
|
|
new Each(
|
|
new Fuse(
|
|
"Prepare popups",
|
|
new On("body", new Each(new RewriteSpecial())),
|
|
new On("title", new RewriteSpecial())
|
|
)
|
|
)
|
|
),
|
|
|
|
// Then we apply the override all. We must first expand everything in case that we override something in an expanded tag
|
|
// Note that it'll cheat with tagRenderings+
|
|
new ApplyOverrideAll(),
|
|
// And then we prepare all the layers _again_ in case that an override all contained unexpanded tagrenderings!
|
|
new On("layers", new Each(new PrepareLayer(state))),
|
|
options?.skipDefaultLayers
|
|
? new Pass("AddDefaultLayers is disabled due to the set flag")
|
|
: new AddDefaultLayers(state),
|
|
new AddDependencyLayersToTheme(state),
|
|
// new AddImportLayers(),
|
|
new PostvalidateTheme(state)
|
|
)
|
|
this.state = state
|
|
}
|
|
|
|
convert(json: ThemeConfigJson, context: ConversionContext): ThemeConfigJson {
|
|
const result = super.convert(json, context)
|
|
if ((this.state.publicLayers?.size ?? 0) === 0) {
|
|
// THis is a bootstrapping run, no need to already set this flag
|
|
return result
|
|
}
|
|
|
|
const needsNodeDatabase = result.layers?.some((l: LayerConfigJson) =>
|
|
l.tagRenderings?.some((tr) =>
|
|
ValidationUtils.getSpecialVisualisations(<any>tr)?.some(
|
|
(special) => special.needsNodeDatabase
|
|
)
|
|
)
|
|
)
|
|
if (needsNodeDatabase) {
|
|
context.info(
|
|
"Setting 'enableNodeDatabase' as this theme uses a special visualisation which needs to keep track of _all_ nodes"
|
|
)
|
|
result.enableNodeDatabase = true
|
|
}
|
|
|
|
return result
|
|
}
|
|
}
|