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feat(compiler): 方言扩展名有了一份权威声明，宿主不用再各抄一遍 #194
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| // src/file-types.js 把编译器的合并规则抄了一份出来（env.js 直接 import 会拉进 node:fs 和 | ||
| // 整个配置解析，宿主只想知道扩展名）。抄来的东西会漂：所以这里直接读 env.js 源码，比对内置 | ||
| // 列表、保留扩展名和两条规范化正则——上游加一种内置方言或改一条正则，这个测试就红，而不是 | ||
| // 等某个宿主把文件分错类。后半段是合并行为本身。 | ||
| import { readFileSync } from 'node:fs' | ||
| import { fileURLToPath } from 'node:url' | ||
| import { | ||
| BUILTIN_STYLE_EXTS, | ||
| BUILTIN_TEMPLATE_DIRECTIVE_PREFIXES, | ||
| BUILTIN_TEMPLATE_EXTS, | ||
| BUILTIN_VIEW_SCRIPT_EXTS, | ||
| BUILTIN_VIEW_SCRIPT_TAGS, | ||
| QD_FILE_TYPES, | ||
| RESERVED_EXTS, | ||
| hasExt, | ||
| resolveFileTypes, | ||
| } from '../src/file-types.js' | ||
|
|
||
| let failed = 0 | ||
| const chk = (cond, msg) => { if (cond) { console.log(`✅ ${msg}`) } else { console.log(`❌ ${msg}`); failed++ } } | ||
| const same = (a, b) => JSON.stringify(a) === JSON.stringify(b) | ||
|
|
||
| const ENV_PATH = fileURLToPath(new URL('../../../dimina/fe/packages/compiler/src/env.js', import.meta.url)) | ||
| const env = readFileSync(ENV_PATH, 'utf8') | ||
|
|
||
| const listOf = (name) => { | ||
| const m = env.match(new RegExp(`const ${name} = \\[([^\\]]*)\\]`)) | ||
| if (!m) throw new Error(`${name} 不在 ${ENV_PATH} 里了——编译器改了内置文件类型的写法，先看它现在怎么写`) | ||
| return [...m[1].matchAll(/'([^']*)'/g)].map((x) => x[1]) | ||
| } | ||
| const regexOf = (fnName) => { | ||
| const start = env.indexOf(`function ${fnName}(`) | ||
| if (start < 0) throw new Error(`${fnName} 不在 ${ENV_PATH} 里了——先看编译器现在怎么校验扩展名`) | ||
| const m = env.slice(start).match(/!(\/\S+?\/)\.test\(v\)/) | ||
| if (!m) throw new Error(`${fnName} 里的规范化正则找不到了——先看编译器现在怎么校验扩展名`) | ||
| return m[1] | ||
| } | ||
|
|
||
| chk(same([...BUILTIN_TEMPLATE_EXTS], listOf('DEFAULT_TEMPLATE_EXTS')), | ||
| `内置模板扩展名与编译器一致（${BUILTIN_TEMPLATE_EXTS.join(' ')}）`) | ||
| chk(same([...BUILTIN_TEMPLATE_DIRECTIVE_PREFIXES], listOf('DEFAULT_TEMPLATE_DIRECTIVE_PREFIXES')), | ||
| `内置模板指令前缀与编译器一致（${BUILTIN_TEMPLATE_DIRECTIVE_PREFIXES.join(' ')}）`) | ||
| chk(same([...BUILTIN_STYLE_EXTS], listOf('DEFAULT_STYLE_EXTS')), | ||
| `内置样式扩展名与编译器一致（${BUILTIN_STYLE_EXTS.join(' ')}）`) | ||
| chk(same([...BUILTIN_VIEW_SCRIPT_EXTS], listOf('DEFAULT_VIEW_SCRIPT_EXTS')), | ||
| `内置视图脚本扩展名与编译器一致（${BUILTIN_VIEW_SCRIPT_EXTS.join(' ')}）`) | ||
| chk(same([...BUILTIN_VIEW_SCRIPT_TAGS], listOf('DEFAULT_VIEW_SCRIPT_TAGS')), | ||
| `内置视图脚本标签与编译器一致（${BUILTIN_VIEW_SCRIPT_TAGS.join(' ')}）`) | ||
|
|
||
| { | ||
| const block = env.slice(env.indexOf('const RESERVED_EXTS = new Set([')) | ||
| const extra = [...block.slice(0, block.indexOf('])')).matchAll(/'([^']*)'/g)].map((x) => x[1]) | ||
| chk(same(RESERVED_EXTS.filter((e) => !BUILTIN_TEMPLATE_EXTS.includes(e) && !BUILTIN_STYLE_EXTS.includes(e) && !BUILTIN_VIEW_SCRIPT_EXTS.includes(e)), extra), | ||
| `保留扩展名里非内置的那几个与编译器一致（${extra.join(' ')}）`) | ||
| } | ||
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||
| chk(regexOf('normalizeExt') === '/^[a-z0-9_-]+$/', `扩展名校验正则与编译器一致（${regexOf('normalizeExt')}）`) | ||
| chk(regexOf('normalizeTag') === '/^[a-z][a-z0-9_-]*$/', `标签名校验正则与编译器一致（${regexOf('normalizeTag')}）`) | ||
|
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||
| // 合并行为 | ||
| { | ||
| const r = resolveFileTypes(QD_FILE_TYPES) | ||
| chk(same(r.templateExts, ['.wxml', '.ddml', '.qdml']), `qd 方言的模板扩展名（${r.templateExts.join(' ')}）`) | ||
| chk(same(r.styleExts, ['.wxss', '.ddss', '.less', '.scss', '.sass', '.qdss']), `qd 方言的样式扩展名（${r.styleExts.join(' ')}）`) | ||
| chk(same(r.viewScriptExts, ['.wxs', '.qds']), `qd 方言的视图脚本扩展名（${r.viewScriptExts.join(' ')}）`) | ||
| chk(same(r.viewScriptTags, ['wxs', 'dds', 'qds']), `视图脚本扩展名同时派生内联标签（${r.viewScriptTags.join(' ')}）`) | ||
| chk(r.templateDirectivePrefixes.includes('qd'), `自定义模板扩展名派生出指令前缀（${r.templateDirectivePrefixes.join(' ')}）`) | ||
| } | ||
|
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||
| { | ||
| const r = resolveFileTypes() | ||
| chk(same(r.templateExts, [...BUILTIN_TEMPLATE_EXTS]), '不传 fileTypes 就只有内置项') | ||
| r.templateExts.push('.mine') | ||
| chk(!BUILTIN_TEMPLATE_EXTS.includes('.mine'), '返回的是副本，改它不会污染内置列表') | ||
| } | ||
|
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||
| chk(same(resolveFileTypes({ template: ['js', 'ts', 'json', 'wxss'] }).templateExts, ['.wxml', '.ddml']), | ||
| '占用逻辑/配置/其他角色扩展名的自定义项被丢弃') | ||
| chk(same(resolveFileTypes({ template: ['.QDML', 'qdml', ' qdml '] }).templateExts, ['.wxml', '.ddml', '.qdml']), | ||
| '带点、大写、带空白的写法规范化成同一项，且只留一份') | ||
| chk(same(resolveFileTypes({ template: ['a/b', 'q*d', '', ' '] }).templateExts, ['.wxml', '.ddml']), | ||
| '带路径分隔符或元字符的项被丢弃') | ||
| chk(same(resolveFileTypes({ viewScript: ['9qd'] }).viewScriptTags, ['wxs', 'dds']), | ||
| '数字开头不能当标签名（扩展名可以，标签名不行）') | ||
| chk(same(resolveFileTypes({ viewScript: ['9qd'] }).viewScriptExts, ['.wxs', '.9qd']), | ||
| '同一项作为扩展名仍然有效') | ||
|
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| chk(hasExt('pages/index/index.QDML', resolveFileTypes(QD_FILE_TYPES).templateExts), 'hasExt 大小写不敏感') | ||
| chk(!hasExt('pages/index/index.json', resolveFileTypes(QD_FILE_TYPES).templateExts), 'hasExt 不误判 .json') | ||
| chk(!hasExt(undefined, BUILTIN_TEMPLATE_EXTS), 'hasExt 对非字符串返回 false') | ||
|
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| console.log(failed ? `\n❌ ${failed} 条文件类型断言失败。` : '\n✅ 方言常量与编译器的合并规则一致。') | ||
| process.exit(failed ? 1 : 0) | ||
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When upstream changes merge ordering, cross-role filtering, directive-prefix derivation, or any other part of
normalizeFileTypeswithout changing these constant literals and two regexes, this test remains green while the exported resolver can silently diverge from the compiler. Conversely, syntax-only refactors break these source parsers despite unchanged behavior. The real-pool test covers only the QD happy path, so replace or supplement this source-text comparison with an edge-case matrix exercised through the actual compiler boundary.AGENTS.md reference: AGENTS.md:L21-L21
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