309 lines
No EOL
12 KiB
TypeScript
309 lines
No EOL
12 KiB
TypeScript
import {Conversion, DesugaringContext, Fuse, OnEveryConcat, SetDefault} from "./Conversion";
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import {LayerConfigJson} from "../Json/LayerConfigJson";
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import {TagRenderingConfigJson} from "../Json/TagRenderingConfigJson";
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import {Utils} from "../../../Utils";
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import Translations from "../../../UI/i18n/Translations";
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import {Translation} from "../../../UI/i18n/Translation";
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class ExpandTagRendering extends Conversion<string | TagRenderingConfigJson | { builtin: string | string[], override: any }, TagRenderingConfigJson[]> {
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private readonly _state: DesugaringContext;
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constructor(state: DesugaringContext) {
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super("Converts a tagRenderingSpec into the full tagRendering", [],"ExpandTagRendering");
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this._state = state;
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}
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convert(json: string | TagRenderingConfigJson | { builtin: string | string[]; override: any }, context: string): { result: TagRenderingConfigJson[]; errors: string[]; warnings: string[] } {
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const errors = []
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const warnings = []
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return {
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result: this.convertUntilStable(json, warnings, errors, context),
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errors, warnings
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};
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}
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private lookup(name: string): TagRenderingConfigJson[] {
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const state = this._state;
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if (state.tagRenderings.has(name)) {
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return [state.tagRenderings.get(name)]
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}
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if (name.indexOf(".") >= 0) {
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const spl = name.split(".");
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const layer = state.sharedLayers.get(spl[0])
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if (spl.length === 2 && layer !== undefined) {
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const id = spl[1];
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const layerTrs = <TagRenderingConfigJson[]>layer.tagRenderings.filter(tr => tr["id"] !== undefined)
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let matchingTrs: TagRenderingConfigJson[]
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if (id === "*") {
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matchingTrs = layerTrs
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} else if (id.startsWith("*")) {
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const id_ = id.substring(1)
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matchingTrs = layerTrs.filter(tr => tr.group === id_)
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} else {
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matchingTrs = layerTrs.filter(tr => tr.id === id)
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}
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for (let i = 0; i < matchingTrs.length; i++) {
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// The matched tagRenderings are 'stolen' from another layer. This means that they must match the layer condition before being shown
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const found = Utils.Clone(matchingTrs[i]);
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if (found.condition === undefined) {
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found.condition = layer.source.osmTags
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} else {
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found.condition = {and: [found.condition, layer.source.osmTags]}
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}
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matchingTrs[i] = found
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}
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if (matchingTrs.length !== 0) {
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return matchingTrs
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}
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}
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}
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return undefined;
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}
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private convertOnce(tr: string | any, warnings: string[], errors: string[], ctx: string): TagRenderingConfigJson[] {
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const state = this._state
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if (tr === "questions") {
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return [{
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id: "questions"
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}]
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}
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if (typeof tr === "string") {
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const lookup = this.lookup(tr);
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if (lookup === undefined) {
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warnings.push(ctx + "A literal rendering was detected: " + tr)
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return [{
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render: tr,
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id: tr.replace(/![a-zA-Z0-9]/g, "")
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}]
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}
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return lookup
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}
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if (tr["builtin"] !== undefined) {
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let names = tr["builtin"]
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if (typeof names === "string") {
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names = [names]
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}
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for (const key of Object.keys(tr)) {
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if (key === "builtin" || key === "override" || key === "id" || key.startsWith("#")) {
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continue
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}
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errors.push("At " + ctx + ": an object calling a builtin can only have keys `builtin` or `override`, but a key with name `" + key + "` was found. This won't be picked up! The full object is: " + JSON.stringify(tr))
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}
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const trs: TagRenderingConfigJson[] = []
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for (const name of names) {
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const lookup = this.lookup(name)
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if (lookup === undefined) {
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errors.push(ctx + ": The tagRendering with identifier " + name + " was not found.\n\tDid you mean one of " + Array.from(state.tagRenderings.keys()).join(", ") + "?")
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continue
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}
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for (let foundTr of lookup) {
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foundTr = Utils.Clone<any>(foundTr)
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Utils.Merge(tr["override"] ?? {}, foundTr)
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trs.push(foundTr)
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}
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}
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return trs;
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}
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return [tr]
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}
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private convertUntilStable(spec: string | any, warnings: string[], errors: string[], ctx: string): TagRenderingConfigJson[] {
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const trs = this.convertOnce(spec, warnings, errors, ctx);
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const result = []
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for (const tr of trs) {
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if (typeof tr === "string" || tr["builtin"] !== undefined) {
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const stable = this.convertUntilStable(tr, warnings, errors, ctx + "(RECURSIVE RESOLVE)")
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result.push(...stable)
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} else {
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result.push(tr)
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}
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}
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return result;
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}
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}
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class ExpandGroupRewrite extends Conversion<{
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rewrite: {
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sourceString: string,
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into: string[]
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}[],
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renderings: (string | { builtin: string, override: any } | TagRenderingConfigJson)[]
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} | TagRenderingConfigJson, TagRenderingConfigJson[]> {
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private _expandSubTagRenderings;
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constructor(state: DesugaringContext) {
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super(
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"Converts a rewrite config for tagRenderings into the expanded form",[],
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"ExpandGroupRewrite"
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);
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this._expandSubTagRenderings = new ExpandTagRendering(state)
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}
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convert( json:
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{
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rewrite:
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{ sourceString: string; into: string[] }[]; renderings: (string | { builtin: string; override: any } | TagRenderingConfigJson)[]
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} | TagRenderingConfigJson, context: string): { result: TagRenderingConfigJson[]; errors: string[]; warnings?: string[] } {
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if (json["rewrite"] === undefined) {
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return {result: [<TagRenderingConfigJson>json], errors: [], warnings: []}
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}
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let config = <{
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rewrite:
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{ sourceString: string[]; into: (string | any)[][] };
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renderings: (string | { builtin: string; override: any } | TagRenderingConfigJson)[]
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}>json;
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{
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const errors = []
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if(!Array.isArray(config.rewrite.sourceString)){
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let extra = "";
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if(typeof config.rewrite.sourceString === "string"){
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extra=`<br/>Try <span class='literal-code'>"sourceString": [ "${config.rewrite.sourceString}" ] </span> instead (note the [ and ])`
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}
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const msg = context+"<br/>Invalid format: a rewrite block is defined, but the 'sourceString' should be an array of strings, but it is a "+typeof config.rewrite.sourceString + extra
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errors.push(msg)
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}
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const expectedLength = config.rewrite.sourceString.length
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for (let i = 0; i < config.rewrite.into.length; i++){
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const targets = config.rewrite.into[i];
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if(!Array.isArray(targets)){
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errors.push(`${context}.rewrite.into[${i}] should be an array of values, but it is a `+typeof targets)
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} else if(targets.length !== expectedLength){
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errors.push(`${context}.rewrite.into[${i}]:<br/>The rewrite specified ${config.rewrite.sourceString} as sourcestring, which consists of ${expectedLength} values. The target ${JSON.stringify(targets)} has ${targets.length} items`)
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if(typeof targets[0] !== "string"){
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errors.push(context+".rewrite.into["+i+"]: expected a string as first rewrite value values, but got "+targets[0])
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}
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}
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}
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if (errors.length > 0) {
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return {
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errors,
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warnings: [],
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result: undefined
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}
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}
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}
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const subRenderingsRes = <{ result: TagRenderingConfigJson[][], errors, warnings }> this._expandSubTagRenderings.convertAll(config.renderings, context);
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const subRenderings: TagRenderingConfigJson[] = [].concat(...subRenderingsRes.result);
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const errors = subRenderingsRes.errors;
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const warnings = subRenderingsRes.warnings;
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const rewrittenPerGroup = new Map<string, TagRenderingConfigJson[]>()
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// The actual rewriting
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const sourceStrings = config.rewrite.sourceString;
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for (const targets of config.rewrite.into) {
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const groupName = targets[0];
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if(typeof groupName !== "string"){
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throw "The first string of 'targets' should always be a string"
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}
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const trs: TagRenderingConfigJson[] = []
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for (const tr of subRenderings) {
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let rewritten = tr;
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for (let i = 0; i < sourceStrings.length; i++) {
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const source = sourceStrings[i]
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const target = targets[i] // This is a string OR a translation
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rewritten = this.prepConfig(source, target, rewritten)
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}
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rewritten.group = rewritten.group ?? groupName
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trs.push(rewritten)
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}
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if (rewrittenPerGroup.has(groupName)) {
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rewrittenPerGroup.get(groupName).push(...trs)
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} else {
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rewrittenPerGroup.set(groupName, trs)
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}
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}
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// Add questions box for this category
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rewrittenPerGroup.forEach((group, groupName) => {
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group.push(<TagRenderingConfigJson>{
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id: "questions",
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group: groupName
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})
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})
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rewrittenPerGroup.forEach((group, _) => {
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group.forEach(tr => {
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if (tr.id === undefined || tr.id === "") {
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errors.push("A tagrendering has an empty ID after expanding the tag; the tagrendering is: "+JSON.stringify(tr))
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}
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})
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})
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return {
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result: [].concat(...Array.from(rewrittenPerGroup.values())),
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errors, warnings
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};
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}
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/* Used for left|right group creation and replacement.
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* Every 'keyToRewrite' will be replaced with 'target' recursively. This substitution will happen in place in the object 'tr' */
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private prepConfig(keyToRewrite: string, target: string | any, tr: TagRenderingConfigJson): TagRenderingConfigJson {
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const isTranslation = typeof target !== "string"
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function replaceRecursive(transl: string | any) {
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if (typeof transl === "string") {
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// This is a simple string - we do a simple replace
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return transl.replace(keyToRewrite, target)
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}
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if (transl.map !== undefined) {
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// This is a list of items
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return transl.map(o => replaceRecursive(o))
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}
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if (Translations.isProbablyATranslation(transl) && isTranslation) {
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return Translations.T(transl).Fuse(new Translation(target), keyToRewrite).translations
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}
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transl = {...transl}
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for (const key in transl) {
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transl[key] = replaceRecursive(transl[key])
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}
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return transl
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}
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return replaceRecursive(tr)
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}
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}
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export class PrepareLayer extends Fuse<LayerConfigJson> {
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constructor(state: DesugaringContext) {
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super(
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"Fully prepares and expands a layer for the LayerConfig.",
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new OnEveryConcat("tagRenderings", new ExpandGroupRewrite(state)),
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new OnEveryConcat("tagRenderings", new ExpandTagRendering(state)),
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new SetDefault("titleIcons", ["defaults"]),
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new OnEveryConcat("titleIcons", new ExpandTagRendering(state))
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);
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}
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} |