bun.sh/src/bun.js/BuildMessage.zig

const bun = @import("root").bun;
const logger = bun.logger;
const std = @import("std");
const Fs = bun.fs;
const string = bun.string;
const Resolver = @import("../resolver//resolver.zig").Resolver;
const JSC = bun.JSC;
const JSGlobalObject = JSC.JSGlobalObject;
const strings = bun.strings;
const default_allocator = bun.default_allocator;
const ZigString = JSC.ZigString;
const JSValue = JSC.JSValue;

pub const BuildMessage = struct {
    msg: logger.Msg,
    // resolve_result: Resolver.Result,
    allocator: std.mem.Allocator,
    logged: bool = false,

    pub usingnamespace JSC.Codegen.JSBuildMessage;

    pub fn constructor(
        globalThis: *JSC.JSGlobalObject,
        _: *JSC.CallFrame,
    ) callconv(.C) ?*BuildMessage {
        globalThis.throw("BuildMessage is not constructable", .{});
        return null;
    }

    pub fn toStringFn(this: *BuildMessage, globalThis: *JSC.JSGlobalObject) JSC.JSValue {
        var text = std.fmt.allocPrint(default_allocator, "BuildMessage: {s}", .{this.msg.data.text}) catch {
            globalThis.throwOutOfMemory();
            return .zero;
        };
        var str = ZigString.init(text);
        str.setOutputEncoding();
        if (str.isUTF8()) {
            const out = str.toValueGC(globalThis);
            default_allocator.free(text);
            return out;
        }

        return str.toExternalValue(globalThis);
    }

    pub fn create(
        globalThis: *JSC.JSGlobalObject,
        allocator: std.mem.Allocator,
        msg: logger.Msg,
        // resolve_result: *const Resolver.Result,
    ) JSC.JSValue {
        var build_error = allocator.create(BuildMessage) catch unreachable;
        build_error.* = BuildMessage{
            .msg = msg.clone(allocator) catch unreachable,
            // .resolve_result = resolve_result.*,
            .allocator = allocator,
        };

        return build_error.toJS(globalThis);
    }

    pub fn toString(
        this: *BuildMessage,
        globalThis: *JSC.JSGlobalObject,
        _: *JSC.CallFrame,
    ) callconv(.C) JSC.JSValue {
        return this.toStringFn(globalThis);
    }

    pub fn toPrimitive(
        this: *BuildMessage,
        globalThis: *JSC.JSGlobalObject,
        callframe: *JSC.CallFrame,
    ) callconv(.C) JSC.JSValue {
        const args_ = callframe.arguments(1);
        const args = args_.ptr[0..args_.len];
        if (args.len > 0) {
            if (!args[0].isString()) {
                return JSC.JSValue.jsNull();
            }

            const str = args[0].getZigString(globalThis);
            if (str.eqlComptime("default") or str.eqlComptime("string")) {
                return this.toStringFn(globalThis);
            }
        }

        return JSC.JSValue.jsNull();
    }

    pub fn toJSON(
        this: *BuildMessage,
        globalThis: *JSC.JSGlobalObject,
        _: *JSC.CallFrame,
    ) callconv(.C) JSC.JSValue {
        var object = JSC.JSValue.createEmptyObject(globalThis, 4);
        object.put(globalThis, ZigString.static("name"), ZigString.init("BuildMessage").toValueGC(globalThis));
        object.put(globalThis, ZigString.static("position"), this.getPosition(globalThis));
        object.put(globalThis, ZigString.static("message"), this.getMessage(globalThis));
        object.put(globalThis, ZigString.static("level"), this.getLevel(globalThis));
        return object;
    }

    pub fn generatePositionObject(msg: logger.Msg, globalThis: *JSC.JSGlobalObject) JSC.JSValue {
        const location = msg.data.location orelse return JSC.JSValue.jsNull();
        var object = JSC.JSValue.createEmptyObject(globalThis, 7);

        object.put(
            globalThis,
            ZigString.static("lineText"),
            ZigString.init(location.line_text orelse "").toValueGC(globalThis),
        );
        object.put(
            globalThis,
            ZigString.static("file"),
            ZigString.init(location.file).toValueGC(globalThis),
        );
        object.put(
            globalThis,
            ZigString.static("namespace"),
            ZigString.init(location.namespace).toValueGC(globalThis),
        );
        object.put(
            globalThis,
            ZigString.static("line"),
            JSValue.jsNumber(location.line),
        );
        object.put(
            globalThis,
            ZigString.static("column"),
            JSValue.jsNumber(location.column),
        );
        object.put(
            globalThis,
            ZigString.static("length"),
            JSValue.jsNumber(location.length),
        );
        object.put(
            globalThis,
            ZigString.static("offset"),
            JSValue.jsNumber(location.offset),
        );

        return object;
    }

    pub fn getPosition(
        this: *BuildMessage,
        globalThis: *JSC.JSGlobalObject,
    ) callconv(.C) JSC.JSValue {
        return BuildMessage.generatePositionObject(this.msg, globalThis);
    }

    pub fn getMessage(
        this: *BuildMessage,
        globalThis: *JSC.JSGlobalObject,
    ) callconv(.C) JSC.JSValue {
        return ZigString.init(this.msg.data.text).toValueGC(globalThis);
    }

    pub fn getLevel(
        this: *BuildMessage,
        globalThis: *JSC.JSGlobalObject,
    ) callconv(.C) JSC.JSValue {
        return ZigString.init(this.msg.kind.string()).toValueGC(globalThis);
    }

    pub fn finalize(this: *BuildMessage) callconv(.C) void {
        this.msg.deinit(bun.default_allocator);
    }
};