atom-languageclient
Version:
Integrate Language Servers with Atom
78 lines • 11.6 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const convert_1 = require("../convert");
const Utils = require("../utils");
/** Public: Adapts the language server protocol "textDocument/hover" to the Atom IDE UI Datatip package. */
class DatatipAdapter {
/**
* Public: Determine whether this adapter can be used to adapt a language server based on the serverCapabilities
* matrix containing a hoverProvider.
*
* @param serverCapabilities The {ServerCapabilities} of the language server to consider.
* @returns A {Boolean} indicating adapter can adapt the server based on the given serverCapabilities.
*/
static canAdapt(serverCapabilities) {
return serverCapabilities.hoverProvider === true;
}
/**
* Public: Get the Datatip for this {Point} in a {TextEditor} by querying the language server.
*
* @param connection A {LanguageClientConnection} to the language server that will be queried for the hover text/datatip.
* @param editor The Atom {TextEditor} containing the text the Datatip should relate to.
* @param point The Atom {Point} containing the point within the text the Datatip should relate to.
* @returns A {Promise} containing the {Datatip} to display or {null} if no Datatip is available.
*/
getDatatip(connection, editor, point) {
return __awaiter(this, void 0, void 0, function* () {
const documentPositionParams = convert_1.default.editorToTextDocumentPositionParams(editor, point);
const hover = yield connection.hover(documentPositionParams);
if (hover == null || DatatipAdapter.isEmptyHover(hover)) {
return null;
}
const range = hover.range == null ? Utils.getWordAtPosition(editor, point) : convert_1.default.lsRangeToAtomRange(hover.range);
const markedStrings = (Array.isArray(hover.contents) ? hover.contents : [hover.contents]).map((str) => DatatipAdapter.convertMarkedString(editor, str));
return { range, markedStrings };
});
}
static isEmptyHover(hover) {
return (hover.contents == null ||
(typeof hover.contents === "string" && hover.contents.length === 0) ||
(Array.isArray(hover.contents) && (hover.contents.length === 0 || hover.contents[0] === "")));
}
static convertMarkedString(editor, markedString) {
if (typeof markedString === "string") {
return { type: "markdown", value: markedString };
}
if (markedString.kind) {
return {
type: "markdown",
value: markedString.value,
};
}
// Must check as <{language: string}> to disambiguate between
// string and the more explicit object type because MarkedString
// is a union of the two types
if (markedString.language) {
return {
type: "snippet",
// TODO: find a better mapping from language -> grammar
grammar: atom.grammars.grammarForScopeName(`source.${markedString.language}`) ||
editor.getGrammar(),
value: markedString.value,
};
}
// Catch-all case
return { type: "markdown", value: markedString.toString() };
}
}
exports.default = DatatipAdapter;
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