1 files changed, 123 insertions, 0 deletions
diff --git a/packages/react-docs/src/docs_info.ts b/packages/react-docs/src/docs_info.ts
new file mode 100644
index 000000000..68bddef06
--- /dev/null
+++ b/packages/react-docs/src/docs_info.ts
@@ -0,0 +1,123 @@
+import { MenuSubsectionsBySection } from '@0xproject/react-shared';
+import compareVersions = require('compare-versions');
+import * as _ from 'lodash';
+
+import {
+    ContractsByVersionByNetworkId,
+    DocAgnosticFormat,
+    DocsInfoConfig,
+    DocsInfoTypeConfigs,
+    DocsMenu,
+    DoxityDocObj,
+    SectionsMap,
+    SupportedDocJson,
+    TypeDocNode,
+} from './types';
+import { doxityUtils } from './utils/doxity_utils';
+import { typeDocUtils } from './utils/typedoc_utils';
+
+export class DocsInfo {
+    public id: string;
+    public type: SupportedDocJson;
+    public displayName: string;
+    public packageUrl: string;
+    public menu: DocsMenu;
+    public sections: SectionsMap;
+    public sectionNameToMarkdown: { [sectionName: string]: string };
+    public contractsByVersionByNetworkId?: ContractsByVersionByNetworkId;
+    public typeConfigs: DocsInfoTypeConfigs;
+    private _docsInfo: DocsInfoConfig;
+    constructor(config: DocsInfoConfig) {
+        this.id = config.id;
+        this.type = config.type;
+        this.displayName = config.displayName;
+        this.packageUrl = config.packageUrl;
+        this.sections = config.sections;
+        this.sectionNameToMarkdown = config.sectionNameToMarkdown;
+        this.contractsByVersionByNetworkId = config.contractsByVersionByNetworkId;
+        this.typeConfigs = config.typeConfigs;
+        this._docsInfo = config;
+    }
+    public isPublicType(typeName: string): boolean {
+        if (_.isUndefined(this._docsInfo.typeConfigs.publicTypes)) {
+            return false;
+        }
+        const isPublic = _.includes(this._docsInfo.typeConfigs.publicTypes, typeName);
+        return isPublic;
+    }
+    public getModulePathsIfExists(sectionName: string): string[] {
+        const modulePathsIfExists = this._docsInfo.sectionNameToModulePath[sectionName];
+        return modulePathsIfExists;
+    }
+    public getMenu(selectedVersion?: string): { [section: string]: string[] } {
+        if (_.isUndefined(selectedVersion) || _.isUndefined(this._docsInfo.menuSubsectionToVersionWhenIntroduced)) {
+            return this._docsInfo.menu;
+        }
+
+        const finalMenu = _.cloneDeep(this._docsInfo.menu);
+        if (_.isUndefined(finalMenu.contracts)) {
+            return finalMenu;
+        }
+
+        // TODO: refactor to include more sections then simply the `contracts` section
+        finalMenu.contracts = _.filter(finalMenu.contracts, (contractName: string) => {
+            const versionIntroducedIfExists = this._docsInfo.menuSubsectionToVersionWhenIntroduced[contractName];
+            if (!_.isUndefined(versionIntroducedIfExists)) {
+                const existsInSelectedVersion = compareVersions(selectedVersion, versionIntroducedIfExists) >= 0;
+                return existsInSelectedVersion;
+            } else {
+                return true;
+            }
+        });
+        return finalMenu;
+    }
+    public getMenuSubsectionsBySection(docAgnosticFormat?: DocAgnosticFormat): MenuSubsectionsBySection {
+        const menuSubsectionsBySection = {} as MenuSubsectionsBySection;
+        if (_.isUndefined(docAgnosticFormat)) {
+            return menuSubsectionsBySection;
+        }
+
+        const docSections = _.keys(this.sections);
+        _.each(docSections, sectionName => {
+            const docSection = docAgnosticFormat[sectionName];
+            if (_.isUndefined(docSection)) {
+                return; // no-op
+            }
+
+            if (!_.isUndefined(this.sections.types) && sectionName === this.sections.types) {
+                const sortedTypesNames = _.sortBy(docSection.types, 'name');
+                const typeNames = _.map(sortedTypesNames, t => t.name);
+                menuSubsectionsBySection[sectionName] = typeNames;
+            } else {
+                let eventNames: string[] = [];
+                if (!_.isUndefined(docSection.events)) {
+                    const sortedEventNames = _.sortBy(docSection.events, 'name');
+                    eventNames = _.map(sortedEventNames, m => m.name);
+                }
+                const sortedMethodNames = _.sortBy(docSection.methods, 'name');
+                const methodNames = _.map(sortedMethodNames, m => m.name);
+                menuSubsectionsBySection[sectionName] = [...methodNames, ...eventNames];
+            }
+        });
+        return menuSubsectionsBySection;
+    }
+    public getTypeDefinitionsByName(docAgnosticFormat: DocAgnosticFormat) {
+        if (_.isUndefined(this.sections.types)) {
+            return {};
+        }
+
+        const typeDocSection = docAgnosticFormat[this.sections.types];
+        const typeDefinitionByName = _.keyBy(typeDocSection.types, 'name');
+        return typeDefinitionByName;
+    }
+    public isVisibleConstructor(sectionName: string): boolean {
+        return _.includes(this._docsInfo.visibleConstructors, sectionName);
+    }
+    public convertToDocAgnosticFormat(docObj: DoxityDocObj | TypeDocNode): DocAgnosticFormat {
+        if (this.type === SupportedDocJson.Doxity) {
+            return doxityUtils.convertToDocAgnosticFormat(docObj as DoxityDocObj);
+        } else {
+            return typeDocUtils.convertToDocAgnosticFormat(docObj as TypeDocNode, this);
+        }
+    }
+}