dts-jest/lib/utils/find-trigger-footers.js

A preprocessor for Jest to snapshot test TypeScript declaration (.d.ts) files

"use strict";
exports.__esModule = true;
var definitions_1 = require("../definitions");
var create_message_1 = require("./create-message");
var for_each_comment_1 = require("./for-each-comment");
var get_comment_content_1 = require("./get-comment-content");
var get_display_line_1 = require("./get-display-line");
var get_trigger_line_1 = require("./get-trigger-line");
var normalize_expected_value_1 = require("./normalize-expected-value");
exports.find_trigger_footers = function (source_file, bodies, ts) {
    var footers = [];
    var body_end_line_set = new Set(bodies.map(function (body) { return source_file.getLineAndCharacterOfPosition(body.end).line; }));
    var unattachable_lines = [];
    for_each_comment_1.for_each_comment(source_file, function (comment, scanner) {
        var match = get_comment_content_1.get_comment_content(comment).match(definitions_1.trigger_footer_regex);
        if (match === null) {
            return;
        }
        var start = scanner.getTokenPos();
        var footer_line = source_file.getLineAndCharacterOfPosition(start).line;
        var body_end_line = get_trigger_line_1.get_trigger_body_end_line(footer_line);
        if (!body_end_line_set.has(body_end_line)) {
            unattachable_lines.push(footer_line);
            return;
        }
        body_end_line_set["delete"](body_end_line);
        var value = match[definitions_1.TriggerFooterMatchIndex.Value];
        switch (value) {
            case definitions_1.TriggerFooterFlag.Show:
            case definitions_1.TriggerFooterFlag.Error:
            case definitions_1.TriggerFooterFlag.NoError:
                footers.push({
                    line: footer_line,
                    flag: value
                });
                break;
            default:
                footers.push({
                    line: footer_line,
                    expected: normalize_expected_value_1.normalize_expected_value(value, source_file.fileName, footer_line, ts)
                });
                break;
        }
    }, ts);
    if (unattachable_lines.length !== 0) {
        throw new Error(create_message_1.create_message('Unattachable trigger-footer(s) detected:', unattachable_lines.map(function (line) { return source_file.fileName + ":" + get_display_line_1.get_display_line(line); })));
    }
    return footers;
};