foldingProvider.js

"use strict";
// ## Folding Provider
// Makes ## H2 sections collapsible in the editor gutter.
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommentFoldingProvider = void 0;
const vscode = __importStar(require("vscode"));
const parser_1 = require("./parser");
class CommentFoldingProvider {
    // @param document vscode.TextDocument
    // @returns vscode.FoldingRange[] - foldable H2 regions
    provideFoldingRanges(document) {
        const lines = Array.from({ length: document.lineCount }, (_, i) => document.lineAt(i).text);
        const parsed = (0, parser_1.parseDocument)(lines, document.languageId);
        const h2Lines = parsed
            .filter(p => p.type === 'h2')
            .map(p => p.line);
        const ranges = [];
        for (let i = 0; i < h2Lines.length; i++) {
            const start = h2Lines[i];
            // Fold until just before the next H2 (or end of file)
            let end = document.lineCount - 1;
            if (i + 1 < h2Lines.length) {
                end = h2Lines[i + 1] - 1;
            }
            if (end > start) {
                ranges.push(new vscode.FoldingRange(start, end, vscode.FoldingRangeKind.Region));
            }
        }
        return ranges;
    }
}
exports.CommentFoldingProvider = CommentFoldingProvider;
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