How to use the escodegen.FORMAT_MINIFY function in escodegen

}) : defaultPass;
                post = parsed.post ? parsed.post.map(function (name) {
                    return esmangle.pass.require('post/' + name);
                }) : defaultPost;
                options = parsed.options ? parsed.options : {};
                rawCheck = parsed.raw == null ? true : parsed.raw === raw;
                return true;
            }
        } catch (e) { }
        return false;
    });
    if (!rawCheck) {
        return;
    }
    tree = doOptimize(tree, pass, post, options);
    formatOptions = clone(escodegen.FORMAT_MINIFY);
    formatOptions.escapeless = false;
    actual = escodegen.generate(tree, {
        format: formatOptions,
        directive: true,
        raw: raw
    });
    expect(actual).to.be.equal(expected);
}

directive: true,
            preserveCompletionValue: argv.preserveCompletionValue,
            legacy: !argv.nonLegacy,
            topLevelContext: argv.topLevelContext,
            inStrictCode: argv.inStrictCode
        });
        tree = esmangle.mangle(tree, {
            destructive: true,
            distinguishFunctionExpressionScope: false
        });

        if (propagateLicenseComment) {
            tree.leadingComments = licenses;
        }

        formatOption = common.deepCopy(escodegen.FORMAT_MINIFY);
        formatOption.indent.adjustMultilineComment = true;

        return escodegen.generate(tree, {
            format: formatOption,
            sourceMap: argv.sourceMap && filename,
            directive: true,
            comment: preserveLicenseComment || propagateLicenseComment
        });
    }