mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-02 00:25:34 +08:00
Chris Tate
2a23ddc37d
- Compile production program loading across module graphs, packages, and configuration - Preserve optional defaults and support runtime URL bases and regex split captures - Isolate host execution services and initialize lowering tables outside module cycles
84 lines
3.1 KiB
JavaScript
84 lines
3.1 KiB
JavaScript
import tseslint from "typescript-eslint";
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/* The 5.9.3 parser islands: the ONLY files that may import typescript5
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* (the alias pinning the old compiler). Everything else lives in the
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* 7.0.2 world — the two worlds' enums are renumbered and their nodes are
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* not interchangeable, so a stray cross-import is a correctness bug, not
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* a style problem. */
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const TS5_ISLANDS = [
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"packages/compiler/src/frontend/npm.ts",
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"packages/compiler/src/frontend/cjs-lexer.ts",
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"packages/compiler/src/frontend/comptime-node.ts",
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"packages/compiler/src/frontend/ts7/world-check.ts",
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// The standalone native parser compares source spans against TS5 as
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// a test oracle; no oracle node crosses into the native syntax passes.
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"packages/compiler/src/frontend/ts7/source-parser.test.ts",
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// The bundler-emitted-CJS export rewrite runs inside the fs shadow,
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// BEFORE the 7.0.2 program reads the file — a text→text parser island
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// beside cjs-lexer.ts (only strings cross its boundary).
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"packages/compiler/src/frontend/npm-static-rewrite.ts",
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"packages/compiler/src/frontend/npm-static-bundled-cjs.ts",
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// Semantic cache validation parses source text only to identify exact
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// regex spans and syntax errors; its boundary is strings, offsets, and
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// booleans, so no 5.9.3 AST value enters the 7.0.2 program world.
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"packages/compiler/src/library/semantic-source.ts",
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];
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const ts5Fence = {
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group: ["typescript5", "typescript5/*"],
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message: "typescript5 (the 5.9.3 island alias) is only for the explicit parser islands — everything else is the 7.0.2 world; the worlds never mix",
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};
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const frontendFence = {
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group: ["**/frontend/*", "**/frontend/**"],
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message: "backend must not import frontend — the IR is the only interface",
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};
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const backendFence = {
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group: ["**/backend/*", "**/backend/**"],
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message: "frontend must not import backend — the IR is the only interface",
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};
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/* NOTE: no-restricted-imports does not MERGE across matching config
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* blocks — the last matching block replaces the whole rule config. Every
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* block below therefore carries its complete pattern set. */
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export default tseslint.config(
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...tseslint.configs.recommended,
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{
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rules: {
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"@typescript-eslint/no-non-null-assertion": "warn",
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},
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},
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{
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// The IR is the only interface between frontend and backend.
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files: ["packages/compiler/src/backend/**"],
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rules: {
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"no-restricted-imports": ["error", { patterns: [frontendFence, ts5Fence] }],
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},
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},
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{
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files: ["packages/compiler/src/frontend/**"],
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ignores: TS5_ISLANDS,
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rules: {
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"no-restricted-imports": ["error", { patterns: [backendFence, ts5Fence] }],
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},
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},
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{
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files: TS5_ISLANDS,
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rules: {
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"no-restricted-imports": ["error", { patterns: [backendFence] }],
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},
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},
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{
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// Everything in the compiler outside frontend/backend (ir, diagnostics,
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// index) is 7.0.2-world too.
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files: ["packages/compiler/src/**"],
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ignores: [
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"packages/compiler/src/frontend/**",
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"packages/compiler/src/backend/**",
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...TS5_ISLANDS,
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],
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rules: {
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"no-restricted-imports": ["error", { patterns: [ts5Fence] }],
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},
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},
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);
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