atom-languageclient
Version:
Integrate Language Servers with Atom
43 lines • 5.78 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 assert = require("assert");
const convert_1 = require("../convert");
class CodeHighlightAdapter {
/** @returns A {Boolean} indicating this adapter can adapt the server based on the given serverCapabilities. */
static canAdapt(serverCapabilities) {
return serverCapabilities.documentHighlightProvider === true;
}
/**
* Public: Creates highlight markers for a given editor position. Throws an error if documentHighlightProvider is not
* a registered capability.
*
* @param connection A {LanguageClientConnection} to the language server that provides highlights.
* @param serverCapabilities The {ServerCapabilities} of the language server that will be used.
* @param editor The Atom {TextEditor} containing the text to be highlighted.
* @param position The Atom {Point} to fetch highlights for.
* @returns A {Promise} of an {Array} of {Range}s to be turned into highlights.
*/
static highlight(connection, serverCapabilities, editor, position) {
return __awaiter(this, void 0, void 0, function* () {
assert(serverCapabilities.documentHighlightProvider, "Must have the documentHighlight capability");
const highlights = yield connection.documentHighlight(convert_1.default.editorToTextDocumentPositionParams(editor, position));
if (highlights === null) {
return [];
}
return highlights.map((highlight) => {
return convert_1.default.lsRangeToAtomRange(highlight.range);
});
});
}
}
exports.default = CodeHighlightAdapter;
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