File: /var/www/design.system/node_modules/@microsoft/api-extractor/lib/collector/CollectorEntity.js
"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See LICENSE in the project root for license information.
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Object.defineProperty(exports, "__esModule", { value: true });
exports.CollectorEntity = void 0;
const ts = __importStar(require("typescript"));
const AstSymbol_1 = require("../analyzer/AstSymbol");
const Collector_1 = require("./Collector");
const node_core_library_1 = require("@rushstack/node-core-library");
const AstNamespaceExport_1 = require("../analyzer/AstNamespaceExport");
/**
* This is a data structure used by the Collector to track an AstEntity that may be emitted in the *.d.ts file.
*
* @remarks
* The additional contextual state beyond AstSymbol is:
* - Whether it's an export of this entry point or not
* - The nameForEmit, which may get renamed by DtsRollupGenerator._makeUniqueNames()
* - The export name (or names, if the same symbol is exported multiple times)
*/
class CollectorEntity {
constructor(astEntity) {
this._exportNames = new Set();
this._exportNamesSorted = false;
this._singleExportName = undefined;
this._localExportNamesByParent = new Map();
this._nameForEmit = undefined;
this._sortKey = undefined;
this.astEntity = astEntity;
}
/**
* The declaration name that will be emitted in the .d.ts rollup, .api.md, and .api.json files. Generated by
* `Collector._makeUniqueNames`. Be aware that the declaration may be renamed to avoid conflicts with (1)
* global names (e.g. `Promise`) and (2) if local, other local names across different files.
*/
get nameForEmit() {
return this._nameForEmit;
}
set nameForEmit(value) {
this._nameForEmit = value;
this._sortKey = undefined; // invalidate the cached value
}
/**
* The list of export names if this symbol is exported from the entry point.
*
* @remarks
* Note that a given symbol may be exported more than once:
* ```
* class X { }
* export { X }
* export { X as Y }
* ```
*/
get exportNames() {
if (!this._exportNamesSorted) {
node_core_library_1.Sort.sortSet(this._exportNames);
this._exportNamesSorted = true;
}
return this._exportNames;
}
/**
* If exportNames contains only one string, then singleExportName is that string.
* In all other cases, it is undefined.
*/
get singleExportName() {
return this._singleExportName;
}
/**
* This is true if exportNames contains only one string, and the declaration can be exported using the inline syntax
* such as "export class X { }" instead of "export { X }".
*/
get shouldInlineExport() {
// We export the namespace directly
if (this.astEntity instanceof AstNamespaceExport_1.AstNamespaceExport) {
return true;
}
// We don't inline an AstImport
if (this.astEntity instanceof AstSymbol_1.AstSymbol) {
// We don't inline a symbol with more than one exported name
if (this._singleExportName !== undefined && this._singleExportName !== ts.InternalSymbolName.Default) {
// We can't inline a symbol whose emitted name is different from the export name
if (this._nameForEmit === undefined || this._nameForEmit === this._singleExportName) {
return true;
}
}
}
return false;
}
/**
* Indicates that this entity is exported from the package entry point. Compare to `CollectorEntity.exported`.
*/
get exportedFromEntryPoint() {
return this.exportNames.size > 0;
}
/**
* Indicates that this entity is exported from its parent module (i.e. either the package entry point or
* a local namespace). Compare to `CollectorEntity.consumable`.
*
* @remarks
* In the example below:
*
* ```ts
* declare function add(): void;
* declare namespace calculator {
* export {
* add
* }
* }
* ```
*
* Namespace `calculator` is neither exported nor consumable, function `add` is exported (from `calculator`)
* but not consumable.
*/
get exported() {
// Exported from top-level?
if (this.exportedFromEntryPoint)
return true;
// Exported from parent?
for (const localExportNames of this._localExportNamesByParent.values()) {
if (localExportNames.size > 0) {
return true;
}
}
return false;
}
/**
* Indicates that it is possible for a consumer of the API to "consume" this entity, either by importing
* it directly or via a namespace. If an entity is not consumable, then API Extractor will report an
* `ae-forgotten-export` warning. Compare to `CollectorEntity.exported`.
*
* @remarks
* An API item is consumable if:
*
* 1. It is exported from the top-level entry point OR
* 2. It is exported from a consumable parent entity.
*
* For an example of #2, consider how `AstNamespaceImport` entities are processed. A generated rollup.d.ts
* might look like this:
*
* ```ts
* declare function add(): void;
* declare namespace calculator {
* export {
* add
* }
* }
* export { calculator }
* ```
*
* In this example, `add` is exported via the consumable `calculator` namespace.
*/
get consumable() {
// Exported from top-level?
if (this.exportedFromEntryPoint)
return true;
// Exported from consumable parent?
for (const [parent, localExportNames] of this._localExportNamesByParent) {
if (localExportNames.size > 0 && parent.consumable) {
return true;
}
}
return false;
}
/**
* Return the first consumable parent that exports this entity. If there is none, returns
* `undefined`.
*/
getFirstExportingConsumableParent() {
for (const [parent, localExportNames] of this._localExportNamesByParent) {
if (parent.consumable && localExportNames.size > 0) {
return parent;
}
}
return undefined;
}
/**
* Adds a new export name to the entity.
*/
addExportName(exportName) {
if (!this._exportNames.has(exportName)) {
this._exportNamesSorted = false;
this._exportNames.add(exportName);
if (this._exportNames.size === 1) {
this._singleExportName = exportName;
}
else {
this._singleExportName = undefined;
}
}
}
/**
* Adds a new local export name to the entity.
*
* @remarks
* In the example below:
*
* ```ts
* declare function add(): void;
* declare namespace calculator {
* export {
* add
* }
* }
* ```
*
* `add` is the local export name for the `CollectorEntity` for `add`.
*/
addLocalExportName(localExportName, parent) {
const localExportNames = this._localExportNamesByParent.get(parent) || new Set();
localExportNames.add(localExportName);
this._localExportNamesByParent.set(parent, localExportNames);
}
/**
* A sorting key used by DtsRollupGenerator._makeUniqueNames()
*/
getSortKey() {
if (!this._sortKey) {
this._sortKey = Collector_1.Collector.getSortKeyIgnoringUnderscore(this.nameForEmit || this.astEntity.localName);
}
return this._sortKey;
}
}
exports.CollectorEntity = CollectorEntity;
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