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

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

"use strict";
exports.__esModule = true;
var definitions_1 = require("../definitions");
var for_each_comment_1 = require("./for-each-comment");
var get_comment_content_1 = require("./get-comment-content");
var parse_trigger_header_flags_1 = require("./parse-trigger-header-flags");
exports.find_trigger_headers = function (source_file, ts) {
    var headers = [];
    var last_group;
    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_header_regex);
        if (match === null) {
            return;
        }
        var description = match[definitions_1.TriggerHeaderMatchIndex.Description];
        var flags = parse_trigger_header_flags_1.parse_trigger_header_flags(match[definitions_1.TriggerHeaderMatchIndex.Flags]);
        var start = scanner.getTokenPos();
        var line = source_file.getLineAndCharacterOfPosition(start).line;
        if (flags & definitions_1.TriggerHeaderFlags[':group']) {
            last_group = {
                line: line,
                method: get_group_method(flags),
                description: description.length === 0 ? undefined : description
            };
        }
        else {
            headers.push({
                line: line,
                flags: flags,
                method: get_test_method(flags),
                description: description.length === 0 ? undefined : description,
                group: last_group
            });
        }
    }, ts);
    return headers;
};
function get_test_method(flag) {
    return flag & definitions_1.TriggerHeaderFlags[':only']
        ? definitions_1.TestMethod.Only
        : flag & definitions_1.TriggerHeaderFlags[':skip']
            ? definitions_1.TestMethod.Skip
            : definitions_1.TestMethod.Test;
}
function get_group_method(flag) {
    return flag & definitions_1.TriggerHeaderFlags[':only']
        ? definitions_1.GroupMethod.Only
        : flag & definitions_1.TriggerHeaderFlags[':skip']
            ? definitions_1.GroupMethod.Skip
            : definitions_1.GroupMethod.Test;
}