@typespec/compiler/dist/src/server/type-details.js

TypeSpec Compiler Preview

import { getSymNode } from "../core/binder.js";
import { compilerAssert } from "../core/diagnostics.js";
import { getDocData } from "../core/intrinsic-type-state.js";
import { isType } from "../core/type-utils.js";
import { SyntaxKind } from "../core/types.js";
import { getSymbolSignature } from "./type-signature.js";
/**
 * Get the detailed documentation for a symbol.
 * @param program The program
 * @internal
 */
export function getSymbolDetails(program, symbol, options = {
    includeSignature: true,
    includeParameterTags: true,
    includeExpandedDefinition: false,
}) {
    const lines = [];
    if (options.includeSignature) {
        lines.push(getSymbolSignature(program, symbol));
    }
    const doc = getSymbolDocumentation(program, symbol);
    if (doc) {
        lines.push(doc);
    }
    for (const node of symbol.declarations) {
        for (const doc of node?.docs ?? []) {
            for (const tag of doc.tags) {
                if (!options.includeParameterTags &&
                    (tag.kind === SyntaxKind.DocParamTag || tag.kind === SyntaxKind.DocTemplateTag)) {
                    continue;
                }
                lines.push(
                //prettier-ignore
                `_@${tag.tagName.sv}_${"paramName" in tag ? ` \`${tag.paramName.sv}\`` : ""} —\n${getDocContent(tag.content)}`);
            }
        }
    }
    if (options.includeExpandedDefinition) {
        lines.push(`*Full Definition:*`);
        lines.push(getSymbolSignature(program, symbol, {
            includeBody: true,
        }));
    }
    return lines.join("\n\n");
}
function getSymbolDocumentation(program, symbol) {
    const docs = [];
    for (const node of [...symbol.declarations, ...(symbol.node ? [symbol.node] : [])]) {
        // Add /** ... */ developer docs
        for (const d of node.docs ?? []) {
            docs.push(getDocContent(d.content));
        }
    }
    // Add @doc(...) API docs
    let type = symbol.type;
    if (!type) {
        const entity = program.checker.getTypeOrValueForNode(getSymNode(symbol));
        if (entity && isType(entity)) {
            type = entity;
        }
    }
    if (type) {
        const apiDocs = getDocData(program, type);
        // The doc comment is already included above we don't want to duplicate. Only include if it was specificed via `@doc`
        if (apiDocs && apiDocs.source === "decorator") {
            docs.push(apiDocs.value);
        }
    }
    return docs.join("\n\n");
}
/** @internal */
export function getParameterDocumentation(program, type) {
    const map = new Map();
    for (const d of type?.node?.docs ?? []) {
        for (const tag of d.tags) {
            if (tag.kind === SyntaxKind.DocParamTag) {
                map.set(tag.paramName.sv, getDocContent(tag.content));
            }
        }
    }
    return map;
}
/** @internal */
export function getTemplateParameterDocumentation(node) {
    const map = new Map();
    for (const d of node?.docs ?? []) {
        for (const tag of d.tags) {
            if (tag.kind === SyntaxKind.DocTemplateTag) {
                map.set(tag.paramName.sv, getDocContent(tag.content));
            }
        }
    }
    return map;
}
function getDocContent(content) {
    const docs = [];
    for (const node of content) {
        compilerAssert(node.kind === SyntaxKind.DocText, "No other doc content node kinds exist yet. Update this code appropriately when more are added.");
        docs.push(node.text);
    }
    return docs.join("");
}
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