Function findUseStrictPrologue

test/fixtures/snapshot/typescript.js:29884–29897

(statements)

        return ts.isStringLiteral(node.expression) && node.expression.text === "use strict";
    }
    function findUseStrictPrologue(statements) {
        for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) {
            var statement = statements_1[_i];
            if (ts.isPrologueDirective(statement)) {
                if (isUseStrictPrologue(statement)) {
                    return statement;
                }
            }
            else {
                break;
            }
        }
        return undefined;
    }
    ts.findUseStrictPrologue = findUseStrictPrologue;
    function startsWithUseStrict(statements) {
        var firstStatement = ts.firstOrUndefined(statements);