--- /dev/null
+/*---------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import * as Parser from '../parser/jsonParser';
+import { Range } from '../jsonLanguageTypes';
+var JSONHover = /** @class */ (function () {
+ function JSONHover(schemaService, contributions, promiseConstructor) {
+ if (contributions === void 0) { contributions = []; }
+ this.schemaService = schemaService;
+ this.contributions = contributions;
+ this.promise = promiseConstructor || Promise;
+ }
+ JSONHover.prototype.doHover = function (document, position, doc) {
+ var offset = document.offsetAt(position);
+ var node = doc.getNodeFromOffset(offset);
+ if (!node || (node.type === 'object' || node.type === 'array') && offset > node.offset + 1 && offset < node.offset + node.length - 1) {
+ return this.promise.resolve(null);
+ }
+ var hoverRangeNode = node;
+ // use the property description when hovering over an object key
+ if (node.type === 'string') {
+ var parent = node.parent;
+ if (parent && parent.type === 'property' && parent.keyNode === node) {
+ node = parent.valueNode;
+ if (!node) {
+ return this.promise.resolve(null);
+ }
+ }
+ }
+ var hoverRange = Range.create(document.positionAt(hoverRangeNode.offset), document.positionAt(hoverRangeNode.offset + hoverRangeNode.length));
+ var createHover = function (contents) {
+ var result = {
+ contents: contents,
+ range: hoverRange
+ };
+ return result;
+ };
+ var location = Parser.getNodePath(node);
+ for (var i = this.contributions.length - 1; i >= 0; i--) {
+ var contribution = this.contributions[i];
+ var promise = contribution.getInfoContribution(document.uri, location);
+ if (promise) {
+ return promise.then(function (htmlContent) { return createHover(htmlContent); });
+ }
+ }
+ return this.schemaService.getSchemaForResource(document.uri, doc).then(function (schema) {
+ if (schema && node) {
+ var matchingSchemas = doc.getMatchingSchemas(schema.schema, node.offset);
+ var title_1 = undefined;
+ var markdownDescription_1 = undefined;
+ var markdownEnumValueDescription_1 = undefined, enumValue_1 = undefined;
+ matchingSchemas.every(function (s) {
+ if (s.node === node && !s.inverted && s.schema) {
+ title_1 = title_1 || s.schema.title;
+ markdownDescription_1 = markdownDescription_1 || s.schema.markdownDescription || toMarkdown(s.schema.description);
+ if (s.schema.enum) {
+ var idx = s.schema.enum.indexOf(Parser.getNodeValue(node));
+ if (s.schema.markdownEnumDescriptions) {
+ markdownEnumValueDescription_1 = s.schema.markdownEnumDescriptions[idx];
+ }
+ else if (s.schema.enumDescriptions) {
+ markdownEnumValueDescription_1 = toMarkdown(s.schema.enumDescriptions[idx]);
+ }
+ if (markdownEnumValueDescription_1) {
+ enumValue_1 = s.schema.enum[idx];
+ if (typeof enumValue_1 !== 'string') {
+ enumValue_1 = JSON.stringify(enumValue_1);
+ }
+ }
+ }
+ }
+ return true;
+ });
+ var result = '';
+ if (title_1) {
+ result = toMarkdown(title_1);
+ }
+ if (markdownDescription_1) {
+ if (result.length > 0) {
+ result += "\n\n";
+ }
+ result += markdownDescription_1;
+ }
+ if (markdownEnumValueDescription_1) {
+ if (result.length > 0) {
+ result += "\n\n";
+ }
+ result += "`" + toMarkdownCodeBlock(enumValue_1) + "`: " + markdownEnumValueDescription_1;
+ }
+ return createHover([result]);
+ }
+ return null;
+ });
+ };
+ return JSONHover;
+}());
+export { JSONHover };
+function toMarkdown(plain) {
+ if (plain) {
+ var res = plain.replace(/([^\n\r])(\r?\n)([^\n\r])/gm, '$1\n\n$3'); // single new lines to \n\n (Markdown paragraph)
+ return res.replace(/[\\`*_{}[\]()#+\-.!]/g, "\\$&"); // escape markdown syntax tokens: http://daringfireball.net/projects/markdown/syntax#backslash
+ }
+ return undefined;
+}
+function toMarkdownCodeBlock(content) {
+ // see https://daringfireball.net/projects/markdown/syntax#precode
+ if (content.indexOf('`') !== -1) {
+ return '`` ' + content + ' ``';
+ }
+ return content;
+}