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Copy pathinit_command.zig
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Copy pathinit_command.zig
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400 lines (348 loc) · 13.9 KB
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const bun = @import("../global.zig");
const string = bun.string;
const Output = bun.Output;
const Global = bun.Global;
const Environment = bun.Environment;
const strings = bun.strings;
const MutableString = bun.MutableString;
const stringZ = bun.stringZ;
const default_allocator = bun.default_allocator;
const C = bun.C;
const std = @import("std");
const open = @import("../open.zig");
const CLI = @import("../cli.zig");
const Fs = @import("../fs.zig");
const ParseJSON = @import("../json_parser.zig").ParseJSONUTF8;
const js_parser = @import("../js_parser.zig");
const js_ast = @import("../js_ast.zig");
const linker = @import("../linker.zig");
const options = @import("../options.zig");
const initializeStore = @import("./create_command.zig").initializeStore;
const lex = @import("../js_lexer.zig");
const logger = @import("../logger.zig");
const JSPrinter = @import("../js_printer.zig");
fn exists(path: anytype) bool {
if (@TypeOf(path) == [:0]const u8 or @TypeOf(path) == [:0]u8) {
if (std.os.accessZ(path, 0)) {
return true;
} else |_| {
return false;
}
} else {
if (std.os.access(path, 0)) {
return true;
} else |_| {
return false;
}
}
}
pub const InitCommand = struct {
fn prompt(
alloc: std.mem.Allocator,
comptime label: string,
default: []const u8,
_: bool,
) ![]const u8 {
Output.pretty(label, .{});
if (default.len > 0) {
Output.pretty("<d>({s}):<r> ", .{default});
}
Output.flush();
const input = try std.io.getStdIn().reader().readUntilDelimiterAlloc(alloc, '\n', 1024);
if (input.len > 0) {
return input;
} else {
return default;
}
}
const default_gitignore = @embedFile("gitignore-for-init");
const default_tsconfig = @embedFile("tsconfig-for-init.json");
const README = @embedFile("README-for-init.md");
// TODO: unicode case folding
fn normalizePackageName(allocator: std.mem.Allocator, input: []const u8) ![]const u8 {
// toLowerCase
const needs_normalize = brk: {
for (input) |c| {
if ((std.ascii.isUpper(c)) or c == ' ' or c == '"' or c == '\'') {
break :brk true;
}
}
break :brk false;
};
if (!needs_normalize) {
return input;
}
var new = try allocator.alloc(u8, input.len);
for (input) |c, i| {
if (c == ' ' or c == '"' or c == '\'') {
new[i] = '-';
} else {
new[i] = std.ascii.toLower(c);
}
}
return new;
}
const PackageJSONFields = struct {
name: string = "project",
@"type": string = "module",
object: *js_ast.E.Object = undefined,
entry_point: string = "",
};
pub fn exec(alloc: std.mem.Allocator, argv: [][*:0]u8) !void {
var fs = try Fs.FileSystem.init1(alloc, null);
const pathname = Fs.PathName.init(fs.topLevelDirWithoutTrailingSlash());
const destination_dir = std.fs.cwd();
var fields = PackageJSONFields{};
var package_json_file = destination_dir.openFile("package.json", .{ .mode = .read_write }) catch null;
var package_json_contents: MutableString = MutableString.initEmpty(alloc);
initializeStore();
read_package_json: {
if (package_json_file) |pkg| {
const stat = pkg.stat() catch break :read_package_json;
if (stat.kind != .File or stat.size == 0) {
break :read_package_json;
}
package_json_contents = try MutableString.init(alloc, stat.size);
package_json_contents.list.expandToCapacity();
_ = pkg.preadAll(package_json_contents.list.items, 0) catch {
package_json_file = null;
break :read_package_json;
};
}
}
fields.name = brk: {
if (normalizePackageName(alloc, if (pathname.filename.len > 0) pathname.filename else "")) |name| {
if (name.len > 0) {
break :brk name;
}
} else |_| {}
break :brk "project";
};
var did_load_package_json = false;
if (package_json_contents.list.items.len > 0) {
process_package_json: {
var source = logger.Source.initPathString("package.json", package_json_contents.list.items);
var log = logger.Log.init(alloc);
var package_json_expr = ParseJSON(&source, &log, alloc) catch {
package_json_file = null;
break :process_package_json;
};
if (package_json_expr.data != .e_object) {
package_json_file = null;
break :process_package_json;
}
fields.object = package_json_expr.data.e_object;
if (package_json_expr.get("name")) |name| {
if (name.asString(alloc)) |str| {
fields.name = str;
}
}
if (package_json_expr.get("module") orelse package_json_expr.get("main")) |name| {
if (name.asString(alloc)) |str| {
fields.entry_point = str;
}
}
did_load_package_json = true;
}
}
if (fields.entry_point.len == 0) {
infer: {
const paths_to_try = [_][:0]const u8{
@as([:0]const u8, "index.mts"),
@as([:0]const u8, "index.tsx"),
@as([:0]const u8, "index.ts"),
@as([:0]const u8, "index.jsx"),
@as([:0]const u8, "index.mjs"),
@as([:0]const u8, "index.js"),
};
for (paths_to_try) |path| {
if (exists(path)) {
fields.entry_point = std.mem.span(path);
break :infer;
}
}
fields.entry_point = "index.ts";
}
}
if (!did_load_package_json) {
fields.object = js_ast.Expr.init(
js_ast.E.Object,
.{},
logger.Loc.Empty,
).data.e_object;
}
const auto_yes = brk: {
for (argv) |arg_| {
const arg = bun.span(arg_);
if (strings.eqlComptime(arg, "-y") or strings.eqlComptime(arg, "--yes")) {
break :brk true;
}
}
break :brk false;
};
if (!auto_yes) {
Output.prettyln("<r><b>bun init<r> helps you get started with a minimal project and tries to guess sensible defaults. <d>Press ^C anytime to quit<r>\n\n", .{});
Output.flush();
fields.name = try normalizePackageName(alloc, try prompt(
alloc,
"<r><cyan>package name<r> ",
fields.name,
Output.enable_ansi_colors_stdout,
));
fields.entry_point = try prompt(
alloc,
"<r><cyan>entry point<r> ",
fields.entry_point,
Output.enable_ansi_colors_stdout,
);
try Output.writer().writeAll("\n");
Output.flush();
}
const Steps = struct {
write_gitignore: bool = true,
write_package_json: bool = true,
write_tsconfig: bool = true,
write_readme: bool = true,
};
var steps = Steps{};
steps.write_gitignore = brk: {
if (exists(".gitignore")) {
break :brk false;
}
break :brk true;
};
steps.write_readme = !exists("README.md") and !exists("README") and !exists("README.txt") and !exists("README.mdx");
steps.write_tsconfig = brk: {
if (exists("tsconfig.json")) {
break :brk false;
}
if (exists("jsconfig.json")) {
break :brk false;
}
break :brk true;
};
{
try fields.object.putString(alloc, "name", fields.name);
if (fields.entry_point.len > 0) {
if (fields.object.hasProperty("module")) {
try fields.object.putString(alloc, "module", fields.entry_point);
try fields.object.putString(alloc, "type", "module");
} else if (fields.object.hasProperty("main")) {
try fields.object.putString(alloc, "main", fields.entry_point);
} else {
try fields.object.putString(alloc, "module", fields.entry_point);
try fields.object.putString(alloc, "type", "module");
}
}
const needs_dev_dependencies = brk: {
if (fields.object.get("devDependencies")) |deps| {
if (deps.hasAnyPropertyNamed(&.{"bun-types"})) {
break :brk false;
}
}
break :brk true;
};
if (needs_dev_dependencies) {
var dev_dependencies = fields.object.get("devDependencies") orelse js_ast.Expr.init(js_ast.E.Object, js_ast.E.Object{}, logger.Loc.Empty);
const version = comptime brk: {
var base = Global.version;
base.patch = 0;
break :brk base;
};
try dev_dependencies.data.e_object.putString(alloc, "bun-types", comptime std.fmt.comptimePrint("^{any}", .{version.fmt("")}));
try fields.object.put(alloc, "devDependencies", dev_dependencies);
}
}
write_package_json: {
if (package_json_file == null) {
package_json_file = try std.fs.cwd().createFileZ("package.json", .{});
}
var package_json_writer = JSPrinter.NewFileWriter(package_json_file.?);
const written = JSPrinter.printJSON(
@TypeOf(package_json_writer),
package_json_writer,
js_ast.Expr{ .data = .{ .e_object = fields.object }, .loc = logger.Loc.Empty },
&logger.Source.initEmptyFile("package.json"),
) catch |err| {
Output.prettyErrorln("package.json failed to write due to error {s}", .{@errorName(err)});
package_json_file = null;
break :write_package_json;
};
std.os.ftruncate(package_json_file.?.handle, written + 1) catch {};
package_json_file.?.close();
}
if (package_json_file != null) {
Output.prettyln("<r><green>Done!<r> A package.json file was saved in the current directory.", .{});
}
if (fields.entry_point.len > 0 and !exists(fields.entry_point)) {
var entry = try std.fs.cwd().createFile(fields.entry_point, .{ .truncate = true });
entry.writeAll("console.log(\"Hello via Bun!\");") catch {};
entry.close();
Output.prettyln(" + <r><d>{s}<r>", .{fields.entry_point});
Output.flush();
}
if (steps.write_gitignore) {
brk: {
var file = std.fs.cwd().createFileZ(".gitignore", .{ .truncate = true }) catch break :brk;
defer file.close();
file.writeAll(default_gitignore) catch break :brk;
Output.prettyln(" + <r><d>.gitignore<r>", .{});
Output.flush();
}
}
if (steps.write_tsconfig) {
brk: {
const extname = std.fs.path.extension(fields.entry_point);
const loader = options.defaultLoaders.get(extname) orelse options.Loader.ts;
const filename = if (loader.isTypeScript())
"tsconfig.json"
else
"jsconfig.json";
var file = std.fs.cwd().createFileZ(filename, .{ .truncate = true }) catch break :brk;
defer file.close();
file.writeAll(default_tsconfig) catch break :brk;
Output.prettyln(" + <r><d>{s}<r><d> (for editor auto-complete)<r>", .{filename});
Output.flush();
}
}
if (steps.write_readme) {
brk: {
const filename = "README.md";
var file = std.fs.cwd().createFileZ(filename, .{ .truncate = true }) catch break :brk;
defer file.close();
file.writer().print(README, .{
.name = fields.name,
.bunVersion = Global.version.fmt(""),
.entryPoint = fields.entry_point,
}) catch break :brk;
Output.prettyln(" + <r><d>{s}<r>", .{filename});
Output.flush();
}
}
if (fields.entry_point.len > 0) {
Output.prettyln("\nTo get started, run:", .{});
if (strings.containsAny(
" \"'",
fields.entry_point,
)) {
Output.prettyln(" <r><cyan>bun run {any}<r>", .{JSPrinter.formatJSONString(fields.entry_point)});
} else {
Output.prettyln(" <r><cyan>bun run {s}<r>", .{fields.entry_point});
}
}
Output.flush();
if (exists("package.json")) {
var process = std.ChildProcess.init(
&.{
try std.fs.selfExePathAlloc(alloc),
"install",
},
alloc,
);
process.stderr_behavior = .Pipe;
process.stdin_behavior = .Pipe;
process.stdout_behavior = .Pipe;
_ = try process.spawnAndWait();
}
}
};
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