inline.js

inline_within_extends_1: {
    options = {
        evaluate: true,
        inline: 3,
        passes: 1,
        reduce_funcs: true,
        reduce_vars: true,
        side_effects: true,
        unused: true,
    }
    input: {
        (function() {
            function foo(foo_base) {
                return class extends foo_base {};
            }
            function bar(bar_base) {
                return class extends bar_base {};
            }
            console.log((new class extends (foo(bar(Array))){}).concat(["PASS"])[0]);
        })();
    }
    expect: {
        console.log((new class extends(function(foo_base) {
            return class extends foo_base {};
        }(function(bar_base) {
            return class extends bar_base {};
        }(Array))){}).concat([ "PASS" ])[0]);
    }
    expect_stdout: "PASS"
}

inline_within_extends_2: {
    options = {
        defaults: true,
        evaluate: true,
        inline: 3,
        passes: 3,
        reduce_funcs: true,
        reduce_vars: true,
        side_effects: true,
        collapse_vars: false,
        unused: true,
        toplevel: true
    }
    input: {
        class Baz extends(foo(bar(Array))) {
            constructor() {
                super(...arguments);
            }
        }
        function foo(foo_base) {
            return class extends foo_base {
                constructor() {
                    super(...arguments);
                }
                second() {
                    return this[1];
                }
            };
        }
        function bar(bar_base) {
            return class extends bar_base {
                constructor(...args) {
                    super(...args);
                }
            };
        }
        console.log(new Baz(1, "PASS", 3).second());
    }
    expect: {
        class Baz extends(function(foo_base) {
            return class extends foo_base {
                constructor() {
                    super(...arguments);
                }
                second() {
                    return this[1];
                }
            };
        }(function(bar_base) {
            return class extends bar_base {
                constructor(...args) {
                    super(...args);
                }
            };
        }(Array))) {
            constructor() {
                super(...arguments);
            }
        }
        console.log(new Baz(1, "PASS", 3).second());
    }
    expect_stdout: "PASS"
}

dont_inline_side_effects: {
    options = {
        inline: true,
        toplevel: true
    }
    input: {
        class X extends (console.log("PASS 1"), null) {
            static [(console.log("PASS 2"), 'prop')] = "PASS 4"
        }

        console.log("PASS 3")

        console.log(X.prop)
    }
    expect: {
        class X extends (console.log("PASS 1"), null) {
            static [(console.log("PASS 2"), 'prop')] = "PASS 4"
        }

        console.log("PASS 3")

        console.log(X.prop)
    }
    expect_stdout: [
        "PASS 1",
        "PASS 2",
        "PASS 3",
        "PASS 4"
    ]
    node_version: ">=14"
}

issue_308: {
    options = {
        defaults: true,
        passes: 4,
        toplevel: true
    }
    input: {
        exports.withStyles = withStyles;

        function _inherits(superClass) {
            if (typeof superClass !== "function") {
                throw new TypeError("Super expression must be a function, not " + typeof superClass);
            }
            Object.create(superClass);
        }

        function withStyles() {
            var a = EXTERNAL();
            return function(_a) {
                _inherits(_a);
                function d() {}
            }(a);
        }
    }
    expect: {
        exports.withStyles = function () {
            !function (superClass) {
                if ("function" != typeof superClass)
                    throw new TypeError("Super expression must be a function, not " + typeof superClass);
                Object.create(superClass);
            }(EXTERNAL());
        };
    }
}

inline_into_scope_conflict: {
    options = {
        reduce_vars: true,
        inline: true,
        unused: true,
        toplevel: true
    }
    input: {
        var mod = pass

        const c = function c() {
            mod()
        }

        const b = function b() {
            for (;;) { c(); break }
        }

        ;(function () {
            var mod = id(mod);
            b();
        })()
    }

    expect_stdout: "PASS"
}

inline_into_scope_conflict_enclosed: {
    options = {
        reduce_vars: true,
        inline: true,
        unused: true,
        toplevel: true
    }
    input: {
        global.same_name = "PASS"

        function $(same_name) {
            if (same_name) indirection_1(same_name)
        }
        function indirection_2() {
            console.log(same_name)
        }
        function indirection_1() {
            indirection_2()
        }
        $("FAIL")
    }
    expect_stdout: "PASS"
}

inline_into_scope_conflict_enclosed_2: {
    options = {
        reduce_vars: true,
        inline: true,
        unused: true,
        toplevel: true
    }
    input: {
        global.same_name = () => console.log("PASS")
        function $(same_name) {
            console.log(same_name === undefined ? "PASS" : "FAIL")
            indirection_1();
        }
        function indirection_1() {
            return indirection_2()
        }
        function indirection_2() {
            for (const x of [1]) { same_name(); return; }
        }
        $();
    }
    expect_stdout: [
        "PASS",
        "PASS"
    ]
}

issue_1267_inline_breaks_compare_identity: {
    options = {
        toplevel: true
    }
    input: {
        class ClassA {
        }
        class ClassB {
            MyA = ClassA;
        };

        console.log(new ClassB().MyA == new ClassB().MyA)
    }
    expect_stdout: ["true"]
}

issue_1267_inline_breaks_compare_identity_2: {
    options = {
        toplevel: true
    }
    input: {
        class ClassA {
        }
        const objA = {
            prop: ClassA
        }
        const objB = {
            prop: ClassA
        }

        console.log(objA.prop === objB.prop)
    }
    expect_stdout: ["true"]
}

noinline_annotation: {
    options = {
        reduce_vars: true,
        inline: true,
        toplevel: true
    }
    input: {
        function no_inline() {
            return 123;
        }

        /*#__NOINLINE__*/no_inline();
        /*#__NOINLINE__*/no_inline();
    }
    expect: {
        function no_inline() {
            return 123;
        }
        no_inline();
        no_inline();
    }
}

noinline_annotation_2: {
    options = {
        reduce_vars: true,
        inline: true,
        toplevel: true
    }
    input: {
        /*#__NOINLINE__*/
        (() => {
            external()
        })()
    }
    expect: {
        (() => {
            external()
        })()
    }
}

noinline_annotation_3: {
    options = {
        reduce_vars: true,
        inline: true,
        unused: true
    }
    input: {
        (function() {
            function foo(val) { return val; }
            function bar() {
                var pass = 1;
                pass = /*@__NOINLINE__*/ foo(pass);
                window.data = pass;
            }
            window.bar = bar;
            bar();
        })();
    }
    expect: {
        (function() {
            function foo(val) { return val; }
            function bar() {
                var pass = 1;
                pass = foo(pass);
                window.data = pass;
            }
            window.bar = bar;
            bar();
        })();
    }
}

inline_annotation: {
    options = {
        reduce_vars: true,
        inline: true,
        toplevel: true,
        unused: true
    }
    input: {
        function inline() {
            return external();
        }

        /*#__INLINE__*/inline();
        /*#__INLINE__*/inline();
    }
    expect: {
        external();
        external();
    }
}

inline_annotation_2: {
    options = {
        toplevel: true,
        passes: 3,
        defaults: true
    }
    input: {
        const shouldInline = n => +n;

        const a = /*@__INLINE__*/ shouldInline("42.0");
        const b = /*@__INLINE__*/ shouldInline("abc");

        console.log(a, b);
    }
    expect: {
        console.log(42, NaN)
    }
    expect_stdout: "42 NaN"
}

inline_func_with_name_existing_in_block_scope: {
    options = {
        toplevel: true,
        defaults: true
    }

    input: {
        let something = "PASS";
        function getSomething() {
          return something;
        }
        function setSomething() {
          something = { value: 42 };
        }
        function main() {
          if (typeof somethingElse == "undefined") {
            const something = getSomething();
            console.log(something);
          }
        }
        main();
    }

    expect_stdout: "PASS"
}

dont_inline_funcs_into_default_param: {
    options = {
        toplevel: true,
        unused: true,
        inline: true,
    }

    input: {
        "use strict"

        const getData = (val) => {
            return {val}
        }

        const print = function (data = getData(id("PASS"))) {
            console.log(data.val);
        }

        print();
    }

    expect_stdout: "PASS"
}

dont_inline_funcs_into_default_param_2: {
    options = {
        toplevel: true
    }

    input: {
        "use strict";

        const foo = () => 42;

        const getData = (val) => {
            return {val}
        }

        const print = (data = getData(foo())) => {
            data.val === 42 && pass();
        }

        print();
    }

    expect_stdout: "PASS"
}

do_not_repeat_when_variable_larger_than_inlined_node: {
    options = {
        toplevel: true,
        reduce_vars: true,
        inline: true
    }

    mangle = {
        toplevel: true
    }

    input: {
        const _string_ = "string";

        pass(_string_);
        pass(_string_);
        pass(_string_);
        pass(_string_);
        pass(_string_);
    }

    expect: {
        const s = "string";

        pass(s);
        pass(s);
        pass(s);
        pass(s);
        pass(s);
    }
}

inline_using_correct_arguments: {
    options = {
        reduce_vars: true,
        inline: true,
        passes: 2,
        toplevel: true,
        unused: true
    }

    input: {
        function run (s, t) {
            return s.run(t);
        }

        /*#__INLINE__*/ run(a, "foo");
        /*#__INLINE__*/ run(a, "bar");
        /*#__INLINE__*/ run(a, "123");
    }

    expect: {
        s = a, t = "foo", s.run(t);
        var s, t;
        (function(s, t) { return s.run("bar") })(a);
        (function(s, t) { return s.run("123") })(a);
    }
}