Some Title

From cd32a3ca0173676ed31486b5fa4dbd8c744cdec5 Mon Sep 17 00:00:00 2001 From: Nathan Reiner Date: Thu, 28 May 2026 16:30:26 +0200 Subject: implement frontend framework --- src/frontend/Minifier.zig | 168 ---------------------------------------------- 1 file changed, 168 deletions(-) delete mode 100644 src/frontend/Minifier.zig (limited to 'src/frontend/Minifier.zig') diff --git a/src/frontend/Minifier.zig b/src/frontend/Minifier.zig deleted file mode 100644 index 65dd9fb..0000000 --- a/src/frontend/Minifier.zig +++ /dev/null @@ -1,168 +0,0 @@ -const std = @import("std"); - -/// A string contained in quotes will not be changed in any form. -quotes: []const u8, - -/// This character is used to escape in strings. -escape: ?u8, - -/// A delimiter does not need any padding around it. -delimiters: []const u8, - -/// Kinds of comments, will be removed in the output. -comments: []const struct { []const u8, []const u8 }, - -pub const html: @This() = .{ - .quotes = "\"'", - .escape = null, - .delimiters = "<>", - .comments = &.{.{ "" }}, -}; - -pub const js: @This() = .{ - .quotes = "\"'`", - .escape = '\\', - .delimiters = "+-*,.:;[](){}=&|^", - .comments = &.{ .{ "//", "\n" }, .{ "/*", "*/" } }, -}; - -pub const css: @This() = .{ - .quotes = "\"'", - .escape = '\\', - .delimiters = ":;{}", - .comments = &.{.{ "/*", "*/" }}, -}; - -fn skip(comptime source: *[]const u8, comptime len: usize) void { - source.* = (source.*)[len..]; -} - -fn push( - comptime source: *[]const u8, - comptime target: *[]const u8, - comptime len: usize, -) void { - target.* = target.* ++ (source.*)[0..len]; - skip(source, len); -} - -pub fn minify( - comptime self: *const @This(), - comptime c: []const u8, -) []const u8 { - @setEvalBranchQuota(c.len * 100); - var content = std.mem.trimStart(u8, c, &std.ascii.whitespace); - var block: []const u8 = ""; - - while (content.len > 0) { - const had_comment: bool = cmt: { - inline for (self.comments) |comment| { - const start, const end = comment; - - if (std.mem.startsWith(u8, content, start)) { - skip(&content, start.len); - skip(&content, if (std.mem.indexOf(u8, content, end)) |l| l + end.len else content.len); - break :cmt true; - } - } - break :cmt false; - }; - - if (had_comment) {} else if (std.mem.indexOfScalar(u8, self.quotes, content[0])) |_| { - const quote = content[0]; - push(&content, &block, 1); - while (content.len > 0) { - if (content[0] == self.escape) { - push(&content, &block, 2); - } else if (content[0] == quote) { - push(&content, &block, 1); - break; - } - push(&content, &block, 1); - } - } else { - push(&content, &block, 1); - } - - const was_trimmed = content.len > 0 and std.ascii.isWhitespace(content[0]); - content = std.mem.trimStart(u8, content, &std.ascii.whitespace); - if (was_trimmed and - block.len > 0 and - content.len > 0 and - std.mem.indexOfScalar(u8, self.delimiters, block[block.len - 1]) == null and - std.mem.indexOfScalar(u8, self.delimiters, content[0]) == null) - { - block = block ++ " "; - } - } - - return block; -} - -test "html" { - const buffer: []const u8 = - \\ - \\ - \\ Some Title - \\ - \\ - \\ 123 - \\ - \\ Hello World! - \\ - \\ - ; - - try std.testing.expectEqualStrings( - "Some Title123Hello World!", - comptime html.minify(buffer), - ); -} - -test "css" { - const buffer: []const u8 = - \\body { - \\ background: #fff; - \\ color: red; - \\} - \\ - \\#content:first { - \\ user-select: none; - \\ /* comment */ - \\ content: ' '; - \\ padding: 5px 5px; - \\} - ; - - try std.testing.expectEqualStrings( - "body{background:#fff;color:red;}#content:first{user-select:none;content:' ';padding:5px 5px;}", - comptime css.minify(buffer), - ); -} - -test "js" { - const buffer: []const u8 = - \\class extends HTMLElement { - \\ // comment here - \\ constructor() { - \\ super(); - \\ this.attachShadow({ mode: 'open' }); - \\ } - \\ - \\ /* - \\ * Mulitline - \\ */ - \\ connectedCallback() { - \\ const type = this.getAttribute('type'); - \\ const template = document.getElementById(`--${type}`); - \\ const node = document.importNode(template.content, true); - \\ this.shadowRoot.appendChild(node); - \\ } - \\} - ; - - try std.testing.expectEqualStrings( - "class extends HTMLElement{constructor(){super();this.attachShadow({mode:'open'});}connectedCallback(){const type=this.getAttribute('type');const template=document.getElementById(`--${type}`);const node=document.importNode(template.content,true);this.shadowRoot.appendChild(node);}}", - comptime js.minify(buffer), - ); -} -- cgit v1.2.3-70-g09d2