[bun install] Implement bunfig.toml config

12 files changed, 977 insertions, 86 deletions

diff --git a/bun.lockb b/bun.lockb
index 0be659f47..88730849d 100755
--- a/bun.lockb
+++ b/bun.lockb
diff --git a/integration/scripts/bun.lockb b/integration/scripts/bun.lockb
index cea4eb8c4..a7b9d31b2 100755
--- a/integration/scripts/bun.lockb
+++ b/integration/scripts/bun.lockb
diff --git a/packages/bun-error/bun.lockb b/packages/bun-error/bun.lockb
index e61a4dd71..825941f44 100755
--- a/packages/bun-error/bun.lockb
+++ b/packages/bun-error/bun.lockb
diff --git a/src/api/schema.d.ts b/src/api/schema.d.ts
index 015f6af40..d896bc160 100644
--- a/src/api/schema.d.ts
+++ b/src/api/schema.d.ts
@@ -603,6 +603,37 @@ export interface WebsocketMessageResolveID {
   id: uint32;
 }
 
+export interface NPMRegistry {
+  url: string;
+  username: string;
+  password: string;
+  token: string;
+}
+
+export interface NPMRegistryMap {
+  scopes: string[];
+  registries: NPMRegistry[];
+}
+
+export interface BunInstall {
+  default_registry?: NPMRegistry;
+  scoped?: NPMRegistryMap;
+  lockfile_path?: string;
+  save_lockfile_path?: string;
+  cache_directory?: string;
+  dry_run?: boolean;
+  force?: boolean;
+  save_dev?: boolean;
+  save_optional?: boolean;
+  save_peer?: boolean;
+  save_lockfile?: boolean;
+  production?: boolean;
+  save_yarn_lockfile?: boolean;
+  native_bin_links?: string[];
+  disable_cache?: boolean;
+  disable_manifest_cache?: boolean;
+}
+
 export declare function encodeStackFrame(
   message: StackFrame,
   bb: ByteBuffer
@@ -869,3 +900,20 @@ export declare function encodeWebsocketMessageResolveID(
 export declare function decodeWebsocketMessageResolveID(
   buffer: ByteBuffer
 ): WebsocketMessageResolveID;
+export declare function encodeNPMRegistry(
+  message: NPMRegistry,
+  bb: ByteBuffer
+): void;
+export declare function decodeNPMRegistry(buffer: ByteBuffer): NPMRegistry;
+export declare function encodeNPMRegistryMap(
+  message: NPMRegistryMap,
+  bb: ByteBuffer
+): void;
+export declare function decodeNPMRegistryMap(
+  buffer: ByteBuffer
+): NPMRegistryMap;
+export declare function encodeBunInstall(
+  message: BunInstall,
+  bb: ByteBuffer
+): void;
+export declare function decodeBunInstall(buffer: ByteBuffer): BunInstall;
diff --git a/src/api/schema.js b/src/api/schema.js
index da91af252..67852d027 100644
--- a/src/api/schema.js
+++ b/src/api/schema.js
@@ -2748,6 +2748,271 @@ function encodeWebsocketMessageResolveID(message, bb) {
   }
 }
 
+function decodeNPMRegistry(bb) {
+  var result = {};
+
+  result["url"] = bb.readString();
+  result["username"] = bb.readString();
+  result["password"] = bb.readString();
+  result["token"] = bb.readString();
+  return result;
+}
+
+function encodeNPMRegistry(message, bb) {
+  var value = message["url"];
+  if (value != null) {
+    bb.writeString(value);
+  } else {
+    throw new Error('Missing required field "url"');
+  }
+
+  var value = message["username"];
+  if (value != null) {
+    bb.writeString(value);
+  } else {
+    throw new Error('Missing required field "username"');
+  }
+
+  var value = message["password"];
+  if (value != null) {
+    bb.writeString(value);
+  } else {
+    throw new Error('Missing required field "password"');
+  }
+
+  var value = message["token"];
+  if (value != null) {
+    bb.writeString(value);
+  } else {
+    throw new Error('Missing required field "token"');
+  }
+}
+
+function decodeNPMRegistryMap(bb) {
+  var result = {};
+
+  var length = bb.readVarUint();
+  var values = (result["scopes"] = Array(length));
+  for (var i = 0; i < length; i++) values[i] = bb.readString();
+  var length = bb.readVarUint();
+  var values = (result["registries"] = Array(length));
+  for (var i = 0; i < length; i++) values[i] = decodeNPMRegistry(bb);
+  return result;
+}
+
+function encodeNPMRegistryMap(message, bb) {
+  var value = message["scopes"];
+  if (value != null) {
+    var values = value,
+      n = values.length;
+    bb.writeVarUint(n);
+    for (var i = 0; i < n; i++) {
+      value = values[i];
+      bb.writeString(value);
+    }
+  } else {
+    throw new Error('Missing required field "scopes"');
+  }
+
+  var value = message["registries"];
+  if (value != null) {
+    var values = value,
+      n = values.length;
+    bb.writeVarUint(n);
+    for (var i = 0; i < n; i++) {
+      value = values[i];
+      encodeNPMRegistry(value, bb);
+    }
+  } else {
+    throw new Error('Missing required field "registries"');
+  }
+}
+
+function decodeBunInstall(bb) {
+  var result = {};
+
+  while (true) {
+    switch (bb.readByte()) {
+      case 0:
+        return result;
+
+      case 1:
+        result["default_registry"] = decodeNPMRegistry(bb);
+        break;
+
+      case 2:
+        result["scoped"] = decodeNPMRegistryMap(bb);
+        break;
+
+      case 3:
+        result["lockfile_path"] = bb.readString();
+        break;
+
+      case 4:
+        result["save_lockfile_path"] = bb.readString();
+        break;
+
+      case 5:
+        result["cache_directory"] = bb.readString();
+        break;
+
+      case 6:
+        result["dry_run"] = !!bb.readByte();
+        break;
+
+      case 7:
+        result["force"] = !!bb.readByte();
+        break;
+
+      case 8:
+        result["save_dev"] = !!bb.readByte();
+        break;
+
+      case 9:
+        result["save_optional"] = !!bb.readByte();
+        break;
+
+      case 10:
+        result["save_peer"] = !!bb.readByte();
+        break;
+
+      case 11:
+        result["save_lockfile"] = !!bb.readByte();
+        break;
+
+      case 12:
+        result["production"] = !!bb.readByte();
+        break;
+
+      case 13:
+        result["save_yarn_lockfile"] = !!bb.readByte();
+        break;
+
+      case 14:
+        var length = bb.readVarUint();
+        var values = (result["native_bin_links"] = Array(length));
+        for (var i = 0; i < length; i++) values[i] = bb.readString();
+        break;
+
+      case 15:
+        result["disable_cache"] = !!bb.readByte();
+        break;
+
+      case 16:
+        result["disable_manifest_cache"] = !!bb.readByte();
+        break;
+
+      default:
+        throw new Error("Attempted to parse invalid message");
+    }
+  }
+}
+
+function encodeBunInstall(message, bb) {
+  var value = message["default_registry"];
+  if (value != null) {
+    bb.writeByte(1);
+    encodeNPMRegistry(value, bb);
+  }
+
+  var value = message["scoped"];
+  if (value != null) {
+    bb.writeByte(2);
+    encodeNPMRegistryMap(value, bb);
+  }
+
+  var value = message["lockfile_path"];
+  if (value != null) {
+    bb.writeByte(3);
+    bb.writeString(value);
+  }
+
+  var value = message["save_lockfile_path"];
+  if (value != null) {
+    bb.writeByte(4);
+    bb.writeString(value);
+  }
+
+  var value = message["cache_directory"];
+  if (value != null) {
+    bb.writeByte(5);
+    bb.writeString(value);
+  }
+
+  var value = message["dry_run"];
+  if (value != null) {
+    bb.writeByte(6);
+    bb.writeByte(value);
+  }
+
+  var value = message["force"];
+  if (value != null) {
+    bb.writeByte(7);
+    bb.writeByte(value);
+  }
+
+  var value = message["save_dev"];
+  if (value != null) {
+    bb.writeByte(8);
+    bb.writeByte(value);
+  }
+
+  var value = message["save_optional"];
+  if (value != null) {
+    bb.writeByte(9);
+    bb.writeByte(value);
+  }
+
+  var value = message["save_peer"];
+  if (value != null) {
+    bb.writeByte(10);
+    bb.writeByte(value);
+  }
+
+  var value = message["save_lockfile"];
+  if (value != null) {
+    bb.writeByte(11);
+    bb.writeByte(value);
+  }
+
+  var value = message["production"];
+  if (value != null) {
+    bb.writeByte(12);
+    bb.writeByte(value);
+  }
+
+  var value = message["save_yarn_lockfile"];
+  if (value != null) {
+    bb.writeByte(13);
+    bb.writeByte(value);
+  }
+
+  var value = message["native_bin_links"];
+  if (value != null) {
+    bb.writeByte(14);
+    var values = value,
+      n = values.length;
+    bb.writeVarUint(n);
+    for (var i = 0; i < n; i++) {
+      value = values[i];
+      bb.writeString(value);
+    }
+  }
+
+  var value = message["disable_cache"];
+  if (value != null) {
+    bb.writeByte(15);
+    bb.writeByte(value);
+  }
+
+  var value = message["disable_manifest_cache"];
+  if (value != null) {
+    bb.writeByte(16);
+    bb.writeByte(value);
+  }
+  bb.writeByte(0);
+}
+
 export { Loader };
 export { LoaderKeys };
 export { FrameworkEntryPointType };
@@ -2874,3 +3139,9 @@ export { decodeWebsocketCommandBuildWithFilePath };
 export { encodeWebsocketCommandBuildWithFilePath };
 export { decodeWebsocketMessageResolveID };
 export { encodeWebsocketMessageResolveID };
+export { decodeNPMRegistry };
+export { encodeNPMRegistry };
+export { decodeNPMRegistryMap };
+export { encodeNPMRegistryMap };
+export { decodeBunInstall };
+export { encodeBunInstall };
diff --git a/src/api/schema.peechy b/src/api/schema.peechy
index 58ca3f013..a7284f713 100644
--- a/src/api/schema.peechy
+++ b/src/api/schema.peechy
@@ -344,7 +344,6 @@ message TransformOptions {
 
   uint16 port = 25;
   MessageLevel logLevel = 26;
-
 }
 
 struct FileHandle {
@@ -516,4 +515,36 @@ struct WebsocketCommandBuildWithFilePath {
 
 struct WebsocketMessageResolveID {
   uint32 id;
+}
+
+struct NPMRegistry {
+  string url;
+  string username;
+  string password;
+  string token;
+}
+
+struct NPMRegistryMap {
+  string[] scopes;
+  NPMRegistry[] registries;
+}
+
+message BunInstall {
+  NPMRegistry default_registry = 1;
+  NPMRegistryMap scoped = 2;
+  string lockfile_path = 3;
+  string save_lockfile_path = 4;
+  string cache_directory = 5;
+  bool dry_run = 6;
+  bool force = 7;
+  bool save_dev = 8;
+  bool save_optional = 9;
+  bool save_peer = 10;
+  bool save_lockfile = 11;
+  bool production = 12;
+  bool save_yarn_lockfile = 13;
+  string[] native_bin_links = 14;
+
+  bool disable_cache = 15;
+  bool disable_manifest_cache = 16;
 }
\ No newline at end of file
diff --git a/src/api/schema.zig b/src/api/schema.zig
index 8f21c350c..8879b34cb 100644
--- a/src/api/schema.zig
+++ b/src/api/schema.zig
@@ -2617,4 +2617,239 @@ pub const Api = struct {
             try writer.writeInt(this.id);
         }
     };
+
+    pub const NpmRegistry = struct {
+        /// url
+        url: []const u8,
+
+        /// username
+        username: []const u8,
+
+        /// password
+        password: []const u8,
+
+        /// token
+        token: []const u8,
+
+        pub fn decode(reader: anytype) anyerror!NpmRegistry {
+            var this = std.mem.zeroes(NpmRegistry);
+
+            this.url = try reader.readValue([]const u8);
+            this.username = try reader.readValue([]const u8);
+            this.password = try reader.readValue([]const u8);
+            this.token = try reader.readValue([]const u8);
+            return this;
+        }
+
+        pub fn encode(this: *const @This(), writer: anytype) anyerror!void {
+            try writer.writeValue(@TypeOf(this.url), this.url);
+            try writer.writeValue(@TypeOf(this.username), this.username);
+            try writer.writeValue(@TypeOf(this.password), this.password);
+            try writer.writeValue(@TypeOf(this.token), this.token);
+        }
+    };
+
+    pub const NpmRegistryMap = struct {
+        /// scopes
+        scopes: []const []const u8,
+
+        /// registries
+        registries: []const NpmRegistry,
+
+        pub fn decode(reader: anytype) anyerror!NpmRegistryMap {
+            var this = std.mem.zeroes(NpmRegistryMap);
+
+            this.scopes = try reader.readArray([]const u8);
+            this.registries = try reader.readArray(NpmRegistry);
+            return this;
+        }
+
+        pub fn encode(this: *const @This(), writer: anytype) anyerror!void {
+            try writer.writeArray([]const u8, this.scopes);
+            try writer.writeArray(NpmRegistry, this.registries);
+        }
+    };
+
+    pub const BunInstall = struct {
+        /// default_registry
+        default_registry: ?NpmRegistry = null,
+
+        /// scoped
+        scoped: ?NpmRegistryMap = null,
+
+        /// lockfile_path
+        lockfile_path: ?[]const u8 = null,
+
+        /// save_lockfile_path
+        save_lockfile_path: ?[]const u8 = null,
+
+        /// cache_directory
+        cache_directory: ?[]const u8 = null,
+
+        /// dry_run
+        dry_run: ?bool = null,
+
+        /// force
+        force: ?bool = null,
+
+        /// save_dev
+        save_dev: ?bool = null,
+
+        /// save_optional
+        save_optional: ?bool = null,
+
+        /// save_peer
+        save_peer: ?bool = null,
+
+        /// save_lockfile
+        save_lockfile: ?bool = null,
+
+        /// production
+        production: ?bool = null,
+
+        /// save_yarn_lockfile
+        save_yarn_lockfile: ?bool = null,
+
+        /// native_bin_links
+        native_bin_links: []const []const u8,
+
+        /// disable_cache
+        disable_cache: ?bool = null,
+
+        /// disable_manifest_cache
+        disable_manifest_cache: ?bool = null,
+
+        pub fn decode(reader: anytype) anyerror!BunInstall {
+            var this = std.mem.zeroes(BunInstall);
+
+            while (true) {
+                switch (try reader.readByte()) {
+                    0 => {
+                        return this;
+                    },
+
+                    1 => {
+                        this.default_registry = try reader.readValue(NpmRegistry);
+                    },
+                    2 => {
+                        this.scoped = try reader.readValue(NpmRegistryMap);
+                    },
+                    3 => {
+                        this.lockfile_path = try reader.readValue([]const u8);
+                    },
+                    4 => {
+                        this.save_lockfile_path = try reader.readValue([]const u8);
+                    },
+                    5 => {
+                        this.cache_directory = try reader.readValue([]const u8);
+                    },
+                    6 => {
+                        this.dry_run = try reader.readValue(bool);
+                    },
+                    7 => {
+                        this.force = try reader.readValue(bool);
+                    },
+                    8 => {
+                        this.save_dev = try reader.readValue(bool);
+                    },
+                    9 => {
+                        this.save_optional = try reader.readValue(bool);
+                    },
+                    10 => {
+                        this.save_peer = try reader.readValue(bool);
+                    },
+                    11 => {
+                        this.save_lockfile = try reader.readValue(bool);
+                    },
+                    12 => {
+                        this.production = try reader.readValue(bool);
+                    },
+                    13 => {
+                        this.save_yarn_lockfile = try reader.readValue(bool);
+                    },
+                    14 => {
+                        this.native_bin_links = try reader.readArray([]const u8);
+                    },
+                    15 => {
+                        this.disable_cache = try reader.readValue(bool);
+                    },
+                    16 => {
+                        this.disable_manifest_cache = try reader.readValue(bool);
+                    },
+                    else => {
+                        return error.InvalidMessage;
+                    },
+                }
+            }
+            unreachable;
+        }
+
+        pub fn encode(this: *const @This(), writer: anytype) anyerror!void {
+            if (this.default_registry) |default_registry| {
+                try writer.writeFieldID(1);
+                try writer.writeValue(@TypeOf(default_registry), default_registry);
+            }
+            if (this.scoped) |scoped| {
+                try writer.writeFieldID(2);
+                try writer.writeValue(@TypeOf(scoped), scoped);
+            }
+            if (this.lockfile_path) |lockfile_path| {
+                try writer.writeFieldID(3);
+                try writer.writeValue(@TypeOf(lockfile_path), lockfile_path);
+            }
+            if (this.save_lockfile_path) |save_lockfile_path| {
+                try writer.writeFieldID(4);
+                try writer.writeValue(@TypeOf(save_lockfile_path), save_lockfile_path);
+            }
+            if (this.cache_directory) |cache_directory| {
+                try writer.writeFieldID(5);
+                try writer.writeValue(@TypeOf(cache_directory), cache_directory);
+            }
+            if (this.dry_run) |dry_run| {
+                try writer.writeFieldID(6);
+                try writer.writeInt(@as(u8, @boolToInt(dry_run)));
+            }
+            if (this.force) |force| {
+                try writer.writeFieldID(7);
+                try writer.writeInt(@as(u8, @boolToInt(force)));
+            }
+            if (this.save_dev) |save_dev| {
+                try writer.writeFieldID(8);
+                try writer.writeInt(@as(u8, @boolToInt(save_dev)));
+            }
+            if (this.save_optional) |save_optional| {
+                try writer.writeFieldID(9);
+                try writer.writeInt(@as(u8, @boolToInt(save_optional)));
+            }
+            if (this.save_peer) |save_peer| {
+                try writer.writeFieldID(10);
+                try writer.writeInt(@as(u8, @boolToInt(save_peer)));
+            }
+            if (this.save_lockfile) |save_lockfile| {
+                try writer.writeFieldID(11);
+                try writer.writeInt(@as(u8, @boolToInt(save_lockfile)));
+            }
+            if (this.production) |production| {
+                try writer.writeFieldID(12);
+                try writer.writeInt(@as(u8, @boolToInt(production)));
+            }
+            if (this.save_yarn_lockfile) |save_yarn_lockfile| {
+                try writer.writeFieldID(13);
+                try writer.writeInt(@as(u8, @boolToInt(save_yarn_lockfile)));
+            }
+            if (this.native_bin_links) |native_bin_links| {
+                try writer.writeFieldID(14);
+                try writer.writeArray([]const u8, native_bin_links);
+            }
+            if (this.disable_cache) |disable_cache| {
+                try writer.writeFieldID(15);
+                try writer.writeInt(@as(u8, @boolToInt(disable_cache)));
+            }
+            if (this.disable_manifest_cache) |disable_manifest_cache| {
+                try writer.writeFieldID(16);
+                try writer.writeInt(@as(u8, @boolToInt(disable_manifest_cache)));
+            }
+            try writer.endMessage();
+        }
+    };
 };
diff --git a/src/bunfig.zig b/src/bunfig.zig
index 46d14ff0f..65e200098 100644
--- a/src/bunfig.zig
+++ b/src/bunfig.zig
@@ -12,7 +12,6 @@ const URL = @import("./query_string_map.zig").URL;
 const C = _global.C;
 const options = @import("./options.zig");
 const logger = @import("./logger.zig");
-const cache = @import("./cache.zig");
 const js_ast = @import("./js_ast.zig");
 const js_lexer = @import("./js_lexer.zig");
 const Defines = @import("./defines.zig");
@@ -45,6 +44,68 @@ pub const Bunfig = struct {
             return error.@"Invalid Bunfig";
         }
 
+        fn parseRegistry(this: *Parser, expr: js_ast.Expr) !Api.NpmRegistry {
+            var registry = std.mem.zeroes(Api.NpmRegistry);
+
+            switch (expr.data) {
+                .e_string => |str| {
+                    const url = URL.parse(str.utf8);
+                    // Token
+                    if (url.username.len == 0 and url.password.len > 0) {
+                        registry.token = url.password;
+                        registry.url = try std.fmt.allocPrint(this.allocator, "{s}://{s}/{s}", .{ url.displayProtocol(), url.displayHostname(), std.mem.trimLeft(u8, url.pathname, "/") });
+                    } else if (url.username.len > 0 and url.password.len > 0) {
+                        registry.username = url.username;
+                        registry.password = url.password;
+                        registry.url = try std.fmt.allocPrint(this.allocator, "{s}://{s}/{s}", .{ url.displayProtocol(), url.displayHostname(), std.mem.trimLeft(u8, url.pathname, "/") });
+                    } else {
+                        registry.url = url.href;
+                    }
+                },
+                .e_object => |obj| {
+                    if (obj.get("url")) |url| {
+                        try this.expect(url, .e_string);
+                        registry.url = url.data.e_string.utf8;
+                    }
+
+                    if (obj.get("username")) |username| {
+                        try this.expect(username, .e_string);
+                        registry.username = username.data.e_string.utf8;
+                    }
+
+                    if (obj.get("password")) |password| {
+                        try this.expect(password, .e_string);
+                        registry.password = password.data.e_string.utf8;
+                    }
+
+                    if (obj.get("token")) |token| {
+                        try this.expect(token, .e_string);
+                        registry.token = token.data.e_string.utf8;
+                    }
+                },
+                else => {
+                    try this.addError(expr.loc, "Expected registry to be a URL string or an object");
+                },
+            }
+
+            return registry;
+        }
+
+        fn loadLogLevel(this: *Parser, expr: js_ast.Expr) !void {
+            try this.expect(expr, .e_string);
+            const Matcher = strings.ExactSizeMatcher(8);
+
+            this.bunfig.log_level = switch (Matcher.match(expr.asString(this.allocator).?)) {
+                Matcher.case("debug") => Api.MessageLevel.debug,
+                Matcher.case("error") => Api.MessageLevel.err,
+                Matcher.case("warn") => Api.MessageLevel.warn,
+                else => {
+                    try this.addError(expr.loc, "Invalid log level, must be one of debug, error, or warn");
+                    unreachable;
+                },
+            };
+        }
+
         pub fn parse(this: *Parser, comptime cmd: Command.Tag) !void {
             const json = this.json;
             var allocator = this.allocator;
@@ -53,6 +114,10 @@ pub const Bunfig = struct {
                 try this.addError(json.loc, "bunfig expects an object { } at the root");
             }
 
+            if (json.get("logLevel")) |expr| {
+                try this.loadLogLevel(expr);
+            }
+
             if (json.get("define")) |expr| {
                 try this.expect(expr, .e_object);
                 var valid_count: usize = 0;
@@ -89,6 +154,10 @@ pub const Bunfig = struct {
                         this.ctx.debug.fallback_only = disable.asBool() orelse false;
                     }
 
+                    if (expr.get("logLevel")) |expr2| {
+                        try this.loadLogLevel(expr2);
+                    }
+
                     if (expr.get("port")) |port| {
                         try this.expect(port, .e_number);
                         this.bunfig.port = port.data.e_number.toU16();
@@ -99,6 +168,169 @@ pub const Bunfig = struct {
                 }
             }
 
+            if (comptime cmd.isNPMRelated()) {
+                if (json.get("install")) |bun| {
+                    var install: *Api.BunInstall = this.ctx.install orelse brk: {
+                        var install_ = try this.allocator.create(Api.BunInstall);
+                        install_.* = std.mem.zeroes(Api.BunInstall);
+                        this.ctx.install = install_;
+                        break :brk install_;
+                    };
+
+                    if (bun.get("registry")) |registry| {
+                        install.default_registry = try this.parseRegistry(registry);
+                    }
+
+                    if (bun.get("scopes")) |scopes| {
+                        var registry_map = install.scoped orelse std.mem.zeroes(Api.NpmRegistryMap);
+                        try this.expect(scopes, .e_object);
+                        const count = scopes.data.e_object.properties.len + registry_map.registries.len;
+                        var registries = std.ArrayListUnmanaged(Api.NpmRegistry){
+                            .items = try this.allocator.alloc(Api.NpmRegistry, count),
+                            .capacity = count,
+                        };
+                        registries.appendSliceAssumeCapacity(registry_map.registries);
+
+                        var names = std.ArrayListUnmanaged(string){
+                            .items = try this.allocator.alloc(string, count),
+                            .capacity = count,
+                        };
+
+                        names.appendSliceAssumeCapacity(registry_map.names);
+
+                        for (scopes.data.e_object.properties.slice()) |prop| {
+                            const name_ = prop.key.?.data.e_string.string(this.allocator) orelse continue;
+                            const value = prop.value orelse continue;
+                            if (name_.len == 0) continue;
+                            const name = if (name_[0] == '@') name_[1..] else name_;
+                            var index = names.items.len;
+                            for (names.items) |comparator, i| {
+                                if (strings.eql(name, comparator)) {
+                                    index = i;
+                                    break;
+                                }
+                            }
+
+                            if (index == names.items.len) {
+                                names.items.len += 1;
+                                registries.items.len += 1;
+                            }
+                            names.items[index] = name;
+                            registries.items[index] = try this.parseRegistry(value);
+                        }
+
+                        registry_map.registries = registries.items;
+                        registry_map.names = names.items;
+                        install.scoped = registry_map;
+                    }
+
+                    if (bun.get("dryRun")) |dry_run| {
+                        if (dry_run.asBool()) |value| {
+                            install.dry_run = value;
+                        }
+                    }
+
+                    if (bun.get("production")) |production| {
+                        if (production.asBool()) |value| {
+                            install.production = value;
+                        }
+                    }
+
+                    if (bun.get("lockfile")) |lockfile_expr| {
+                        if (lockfile_expr.get("outputFormat")) |lockfile| {
+                            try this.expect(lockfile, .e_string);
+                            if (lockfile.asString(this.allocator)) |value| {
+                                if (!(strings.eqlComptime(value, "bun"))) {
+                                    if (!strings.eqlComptime(value, "yarn")) {
+                                        try this.addError(lockfile.loc, "Invalid lockfile format, only 'yarn' output is implemented");
+                                    }
+
+                                    install.save_yarn_lockfile = true;
+                                }
+                            }
+                        }
+
+                        if (lockfile_expr.get("save")) |lockfile| {
+                            if (lockfile.asString()) |value| {
+                                install.save_lockfile = value;
+                            }
+                        }
+
+                        if (lockfile_expr.get("path")) |lockfile| {
+                            if (lockfile.asString()) |value| {
+                                install.lockfile_path = value;
+                            }
+                        }
+
+                        if (lockfile_expr.get("savePath")) |lockfile| {
+                            if (lockfile.asString()) |value| {
+                                install.save_lockfile_path = value;
+                            }
+                        }
+                    }
+
+                    if (bun.get("optional")) |optional| {
+                        if (optional.asBool()) |value| {
+                            install.save_optional = value;
+                        }
+                    }
+
+                    if (bun.get("peer")) |optional| {
+                        if (optional.asBool()) |value| {
+                            install.save_peer = value;
+                        }
+                    }
+
+                    if (bun.get("dev")) |optional| {
+                        if (optional.asBool()) |value| {
+                            install.save_dev = value;
+                        }
+                    }
+
+                    if (bun.get("logLevel")) |expr| {
+                        try this.loadLogLevel(expr);
+                    }
+
+                    if (bun.get("cache")) |cache| {
+                        load: {
+                            if (cache.asBool()) |value| {
+                                if (!value) {
+                                    install.disable_cache = true;
+                                    install.disable_manifest_cache = true;
+                                }
+
+                                break :load;
+                            }
+
+                            if (cache.asString(allocator)) |value| {
+                                install.cache_directory = value;
+                                break :load;
+                            }
+
+                            if (cache.data == .e_object) {
+                                if (cache.get("disable")) |disable| {
+                                    if (disable.asBool()) |value| {
+                                        install.disable_cache = value;
+                                    }
+                                }
+
+                                if (cache.get("disableManifest")) |disable| {
+                                    if (disable.asBool()) |value| {
+                                        install.disable_manifest_cache = value;
+                                    }
+                                }
+
+                                if (cache.get("directory")) |directory| {
+                                    if (directory.asString(allocator)) |value| {
+                                        install.cache_directory = value;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
             if (json.get("bundle")) |bun| {
                 if (comptime cmd == .DevCommand or cmd == .BuildCommand or cmd == .RunCommand or cmd == .AutoCommand or cmd == .BunCommand) {
                     if (bun.get("saveTo")) |file| {
@@ -108,6 +340,10 @@ pub const Bunfig = struct {
                 }
 
                 if (comptime cmd == .BunCommand) {
+                    if (bun.get("logLevel")) |expr2| {
+                        try this.loadLogLevel(expr2);
+                    }
+
                     if (bun.get("entryPoints")) |entryPoints| {
                         try this.expect(entryPoints, .e_array);
                         const items = entryPoints.data.e_array.items.slice();
@@ -224,21 +460,6 @@ pub const Bunfig = struct {
                 };
             }
 
-            if (json.get("logLevel")) |expr| {
-                try this.expect(expr, .e_string);
-                const Matcher = strings.ExactSizeMatcher(8);
-
-                this.bunfig.log_level = switch (Matcher.match(expr.asString(allocator).?)) {
-                    Matcher.case("debug") => Api.MessageLevel.debug,
-                    Matcher.case("error") => Api.MessageLevel.err,
-                    Matcher.case("warn") => Api.MessageLevel.warn,
-                    else => {
-                        try this.addError(expr.loc, "Invalid log level, must be one of debug, error, or warn");
-                        unreachable;
-                    },
-                };
-            }
-
             Analytics.Features.bunfig = true;
         }
 
diff --git a/src/cli.zig b/src/cli.zig
index 38128f66e..ed588a2cd 100644
--- a/src/cli.zig
+++ b/src/cli.zig
@@ -205,6 +205,97 @@ pub const Arguments = struct {
         Global.exit(0);
     }
 
+    fn loadConfigPath(allocator: std.mem.Allocator, auto_loaded: bool, config_path: [:0]const u8, ctx: *Command.Context, comptime cmd: Command.Tag) !void {
+        var config_file = std.fs.openFileAbsoluteZ(config_path, .{ .read = true }) catch |err| {
+            if (auto_loaded) return;
+            Output.prettyErrorln("<r><red>error<r>: {s} opening config \"{s}\"", .{
+                @errorName(err),
+                std.mem.span(config_path),
+            });
+            Output.flush();
+            Global.exit(1);
+        };
+        defer config_file.close();
+        var contents = config_file.readToEndAlloc(allocator, std.math.maxInt(usize)) catch |err| {
+            if (auto_loaded) return;
+            Output.prettyErrorln("<r><red>error<r>: {s} reading config \"{s}\"", .{
+                @errorName(err),
+                std.mem.span(config_path),
+            });
+            Output.flush();
+            Global.exit(1);
+        };
+
+        js_ast.Stmt.Data.Store.create(allocator);
+        js_ast.Expr.Data.Store.create(allocator);
+        defer {
+            js_ast.Stmt.Data.Store.reset();
+            js_ast.Expr.Data.Store.reset();
+        }
+        var original_level = ctx.log.level;
+        defer {
+            ctx.log.level = original_level;
+        }
+        ctx.log.level = logger.Log.Level.warn;
+        try Bunfig.parse(allocator, logger.Source.initPathString(std.mem.span(config_path), contents), ctx, cmd);
+    }
+
+    fn getHomeConfigPath(cwd: string, buf: *[std.fs.MAX_PATH_BYTES]u8) ?[:0]const u8 {
+        if (std.os.getenvZ("XDG_CONFIG_HOME")) |data_dir| {
+            var paths = [_]string{ data_dir, ".bunfig.toml" };
+            return resolve_path.joinAbsStringBufZ(cwd, buf, &paths, .auto);
+        }
+
+        if (std.os.getenvZ("HOME")) |data_dir| {
+            var paths = [_]string{ data_dir, ".bunfig.toml" };
+            return resolve_path.joinAbsStringBufZ(cwd, buf, &paths, .auto);
+        }
+
+        return null;
+    }
+
+    pub fn loadConfig(allocator: std.mem.Allocator, args: clap.Args(clap.Help, &params), ctx: *Command.Context, comptime cmd: Command.Tag) !void {
+        var config_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
+        if (comptime cmd.readGlobalConfig()) {
+            if (getHomeConfigPath(ctx.args.absolute_working_dir, &config_buf)) |path| {
+                try loadConfigPath(allocator, true, path, ctx, comptime cmd);
+            }
+        }
+
+        var config_path_: []const u8 = "";
+        if (args.option("--config")) |config_path__| {
+            config_path_ = config_path__;
+        }
+        var auto_loaded: bool = false;
+        if (config_path_.len == 0 and (args.option("--config") != null or Command.Tag.always_loads_config.get(cmd))) {
+            config_path_ = "bunfig.toml";
+            auto_loaded = true;
+        }
+
+        if (config_path_.len == 0) {
+            return;
+        }
+
+        var config_path: [:0]u8 = undefined;
+        if (config_path_[0] == '/') {
+            @memcpy(&config_buf, config_path_.ptr, config_path_.len);
+            config_buf[config_path_.len] = 0;
+            config_path = config_buf[0..config_path_.len :0];
+        } else {
+            var parts = [_]string{ ctx.args.absolute_working_dir.?, config_path_ };
+            config_path_ = resolve_path.joinAbsStringBuf(
+                ctx.args.absolute_working_dir.?,
+                &config_buf,
+                &parts,
+                .auto,
+            );
+            config_buf[config_path_.len] = 0;
+            config_path = config_buf[0..config_path_.len :0];
+        }
+
+        try loadConfigPath(allocator, auto_loaded, config_path, ctx, comptime cmd);
+    }
+
     pub fn parse(allocator: std.mem.Allocator, ctx: *Command.Context, comptime cmd: Command.Tag) !Api.TransformOptions {
         var diag = clap.Diagnostic{};
 
@@ -229,79 +320,14 @@ pub const Arguments = struct {
             cwd = try std.process.getCwdAlloc(allocator);
         }
 
-        var opts: Api.TransformOptions = ctx.args;
-        opts.absolute_working_dir = cwd;
+        ctx.args.absolute_working_dir = cwd;
 
         if (comptime Command.Tag.loads_config.get(cmd)) {
-            load_config: {
-                var config_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
-
-                var config_path_: []const u8 = "";
-                if (args.option("--config")) |config_path__| {
-                    config_path_ = config_path__;
-                }
-                var auto_loaded: bool = false;
-                if (config_path_.len == 0 and (args.option("--config") != null or Command.Tag.always_loads_config.get(cmd))) {
-                    config_path_ = "bunfig.toml";
-                    auto_loaded = true;
-                }
-
-                if (config_path_.len == 0) {
-                    break :load_config;
-                }
-
-                var config_path: [:0]u8 = undefined;
-                if (config_path_[0] == '/') {
-                    @memcpy(&config_buf, config_path_.ptr, config_path_.len);
-                    config_buf[config_path_.len] = 0;
-                    config_path = config_buf[0..config_path_.len :0];
-                } else {
-                    var parts = [_]string{ cwd, config_path_ };
-                    config_path_ = resolve_path.joinAbsStringBuf(
-                        cwd,
-                        &config_buf,
-                        &parts,
-                        .auto,
-                    );
-                    config_buf[config_path_.len] = 0;
-                    config_path = config_buf[0..config_path_.len :0];
-                }
-
-                var config_file = std.fs.openFileAbsoluteZ(config_path, .{ .read = true }) catch |err| {
-                    if (auto_loaded) break :load_config;
-                    Output.prettyErrorln("<r><red>error<r>: {s} opening config \"{s}\"", .{
-                        @errorName(err),
-                        std.mem.span(config_path),
-                    });
-                    Output.flush();
-                    Global.exit(1);
-                };
-                var contents = config_file.readToEndAlloc(allocator, std.math.maxInt(usize)) catch |err| {
-                    if (auto_loaded) break :load_config;
-                    Output.prettyErrorln("<r><red>error<r>: {s} reading config \"{s}\"", .{
-                        @errorName(err),
-                        std.mem.span(config_path),
-                    });
-                    Output.flush();
-                    Global.exit(1);
-                };
-
-                js_ast.Stmt.Data.Store.create(allocator);
-                js_ast.Expr.Data.Store.create(allocator);
-                defer {
-                    js_ast.Stmt.Data.Store.reset();
-                    js_ast.Expr.Data.Store.reset();
-                }
-                var original_level = ctx.log.level;
-                defer {
-                    ctx.log.level = original_level;
-                }
-                ctx.log.level = logger.Log.Level.warn;
-                try Bunfig.parse(allocator, logger.Source.initPathString(std.mem.span(config_path), contents), ctx, cmd);
-                opts = ctx.args;
-            }
+            try loadConfig(allocator, args, ctx, cmd);
         }
 
+        var opts: Api.TransformOptions = ctx.args;
+
         var defines_tuple = try DefineColonList.resolve(allocator, args.options("--define"));
 
         if (defines_tuple.keys.len > 0) {
@@ -699,6 +725,7 @@ pub const Command = struct {
         log: *logger.Log,
         allocator: std.mem.Allocator,
         positionals: []const string = &[_]string{},
+        install: ?*Api.BunInstall = null,
 
         debug: DebugOptions = DebugOptions{},
 
@@ -1126,6 +1153,20 @@ pub const Command = struct {
         PackageManagerCommand,
         TestCommand,
 
+        pub fn readGlobalConfig(this: Tag) bool {
+            return switch (this) {
+                .PackageManagerCommand, .InstallCommand, .AddCommand, .RemoveCommand => true,
+                else => false,
+            };
+        }
+
+        pub fn isNPMRelated(this: Tag) bool {
+            return switch (this) {
+                .PackageManagerCommand, .InstallCommand, .AddCommand, .RemoveCommand => true,
+                else => false,
+            };
+        }
+
         pub const cares_about_bun_file: std.EnumArray(Tag, bool) = std.EnumArray(Tag, bool).initDefault(false, .{
             .AutoCommand = true,
             .BuildCommand = true,
diff --git a/src/env_loader.zig b/src/env_loader.zig
index a36956424..f680ea371 100644
--- a/src/env_loader.zig
+++ b/src/env_loader.zig
@@ -396,6 +396,21 @@ pub const Loader = struct {
 
     const empty_string_value: string = "\"\"";
 
+    pub fn get(this: *const Loader, key: string) ?string {
+        var _key = key;
+        if (_key.len > 0 and _key[0] == '$') {
+            _key = key[1..];
+        }
+
+        if (_key.len == 0) return null;
+
+        return this.map.get(_key);
+    }
+
+    pub fn getAuto(this: *const Loader, key: string) string {
+        return this.get(key) orelse key;
+    }
+
     /// Load values from the environment into Define. 
     /// 
     /// If there is a framework, values from the framework are inserted with a
diff --git a/src/http/header_builder.zig b/src/http/header_builder.zig
index 0f33b9d4b..18dcbe1e7 100644
--- a/src/http/header_builder.zig
+++ b/src/http/header_builder.zig
@@ -36,6 +36,24 @@ pub fn append(this: *HeaderBuilder, name: string, value: string) void {
     this.entries.appendAssumeCapacity(Headers.Kv{ .name = name_ptr, .value = value_ptr });
 }
 
+pub fn appendFmt(this: *HeaderBuilder, name: string, comptime fmt: string, args: anytype) void {
+    const name_ptr = Api.StringPointer{
+        .offset = @truncate(u32, this.content.len),
+        .length = @truncate(u32, name.len),
+    };
+
+    _ = this.content.append(name);
+
+    const value = this.content.fmt(fmt, args);
+
+    const value_ptr = Api.StringPointer{
+        .offset = @truncate(u32, this.content.len),
+        .length = @truncate(u32, value.len),
+    };
+
+    this.entries.appendAssumeCapacity(Headers.Kv{ .name = name_ptr, .value = value_ptr });
+}
+
 pub fn apply(this: *HeaderBuilder, client: *HTTPClient) void {
     client.header_entries = this.entries;
     client.header_buf = this.content.ptr.?[0..this.content.len];
diff --git a/src/string_builder.zig b/src/string_builder.zig
index 577fa1548..610ddd00f 100644
--- a/src/string_builder.zig
+++ b/src/string_builder.zig
@@ -30,3 +30,14 @@ pub fn append(this: *StringBuilder, slice: string) string {
     assert(this.len <= this.cap);
     return result;
 }
+
+const std = @import("std");
+pub fn fmt(this: *StringBuilder, comptime str: string, args: anytype) string {
+    assert(this.len <= this.cap); // didn't count everything
+    assert(this.ptr != null); // must call allocate first
+
+    var buf = this.ptr.?[this.len..this.cap];
+    const out = std.fmt.bufPrint(buf, str, args) catch unreachable;
+    this.len += out.len;
+    return out;
+}