yaml-language-server
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138 lines • 6.45 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Red Hat. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
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}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "vscode-languageserver-types", "yaml", "../../utils/yamlAstUtils", "@vscode/l10n"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.UnusedAnchorsValidator = void 0;
const vscode_languageserver_types_1 = require("vscode-languageserver-types");
const yaml_1 = require("yaml");
const yamlAstUtils_1 = require("../../utils/yamlAstUtils");
const l10n = __importStar(require("@vscode/l10n"));
class UnusedAnchorsValidator {
validate(document, yamlDoc) {
const result = [];
const anchors = new Set();
const usedAnchors = new Set();
const unIdentifiedAlias = new Set();
const anchorParent = new Map();
(0, yaml_1.visit)(yamlDoc.internalDocument, (key, node, path) => {
if (!(0, yaml_1.isNode)(node)) {
return;
}
if (((0, yaml_1.isCollection)(node) || (0, yaml_1.isScalar)(node)) && node.anchor) {
anchors.add(node);
anchorParent.set(node, path[path.length - 1]);
}
if ((0, yaml_1.isAlias)(node)) {
if (!node.resolve(yamlDoc.internalDocument)) {
unIdentifiedAlias.add(node);
}
else {
usedAnchors.add(node.resolve(yamlDoc.internalDocument));
}
}
});
for (const anchor of anchors) {
if (!usedAnchors.has(anchor)) {
const aToken = this.getAnchorNode(anchorParent.get(anchor), anchor);
if (aToken) {
const range = vscode_languageserver_types_1.Range.create(document.positionAt(aToken.offset), document.positionAt(aToken.offset + aToken.source.length));
const warningDiagnostic = vscode_languageserver_types_1.Diagnostic.create(range, l10n.t('Unused anchor "{0}"', aToken.source), vscode_languageserver_types_1.DiagnosticSeverity.Information, 0);
warningDiagnostic.tags = [vscode_languageserver_types_1.DiagnosticTag.Unnecessary];
result.push(warningDiagnostic);
}
}
}
unIdentifiedAlias.forEach((node) => {
const nodeRange = node.range;
if (nodeRange) {
const startOffset = nodeRange[0];
const endOffset = nodeRange[1];
const range = vscode_languageserver_types_1.Range.create(document.positionAt(startOffset), document.positionAt(endOffset));
const warningDiagnostic = vscode_languageserver_types_1.Diagnostic.create(range, l10n.t('Unresolved alias "{0}"', node.toString()), vscode_languageserver_types_1.DiagnosticSeverity.Information, 0);
warningDiagnostic.tags = [vscode_languageserver_types_1.DiagnosticTag.Unnecessary];
result.push(warningDiagnostic);
}
});
return result;
}
getAnchorNode(parentNode, node) {
if (parentNode && parentNode.srcToken) {
const token = parentNode.srcToken;
if ((0, yamlAstUtils_1.isCollectionItem)(token)) {
return getAnchorFromCollectionItem(token);
}
else if (yaml_1.CST.isCollection(token)) {
for (const t of token.items) {
if (node.srcToken !== t.value)
continue;
const anchor = getAnchorFromCollectionItem(t);
if (anchor) {
return anchor;
}
}
}
}
return undefined;
}
}
exports.UnusedAnchorsValidator = UnusedAnchorsValidator;
function getAnchorFromCollectionItem(token) {
for (const t of token.start) {
if (t.type === 'anchor') {
return t;
}
}
if (token.sep && Array.isArray(token.sep)) {
for (const t of token.sep) {
if (t.type === 'anchor') {
return t;
}
}
}
}
});
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