only export things that should be available on $

Author: Rich-Harris

packages/svelte/src/internal/server/dev.js

@@ -6,7 +6,7 @@ import {
 } from '../../html-tree-validation.js';
 import { current_component } from './context.js';
 import { invalid_snippet_arguments } from '../shared/errors.js';
-import { Payload } from './index.js';
+import { Payload } from './payload.js';
 
 /**
  * @typedef {{

packages/svelte/src/internal/server/index.js

@@ -17,67 +17,13 @@ import { EMPTY_COMMENT, BLOCK_CLOSE, BLOCK_OPEN } from './hydration.js';
 import { validate_store } from '../shared/validate.js';
 import { is_boolean_attribute, is_raw_text_element, is_void } from '../../utils.js';
 import { reset_elements } from './dev.js';
+import { Payload } from './payload.js';
 
 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
 // https://infra.spec.whatwg.org/#noncharacter
 const INVALID_ATTR_NAME_CHAR_REGEX =
 	/[\s'">/=\u{FDD0}-\u{FDEF}\u{FFFE}\u{FFFF}\u{1FFFE}\u{1FFFF}\u{2FFFE}\u{2FFFF}\u{3FFFE}\u{3FFFF}\u{4FFFE}\u{4FFFF}\u{5FFFE}\u{5FFFF}\u{6FFFE}\u{6FFFF}\u{7FFFE}\u{7FFFF}\u{8FFFE}\u{8FFFF}\u{9FFFE}\u{9FFFF}\u{AFFFE}\u{AFFFF}\u{BFFFE}\u{BFFFF}\u{CFFFE}\u{CFFFF}\u{DFFFE}\u{DFFFF}\u{EFFFE}\u{EFFFF}\u{FFFFE}\u{FFFFF}\u{10FFFE}\u{10FFFF}]/u;
 
-class Payload {
-	/** @type {Set<{ hash: string; code: string }>} */
-	css = new Set();
-	out = '';
-	uid = () => '';
-
-	head = {
-		/** @type {Set<{ hash: string; code: string }>} */
-		css: new Set(),
-		title: '',
-		out: '',
-		uid: () => ''
-	};
-
-	constructor(id_prefix = '') {
-		this.uid = props_id_generator(id_prefix);
-		this.head.uid = this.uid;
-	}
-}
-
-/**
- * Used in legacy mode to handle bindings
- * @param {Payload} to_copy
- * @returns {Payload}
- */
-export function copy_payload({ out, css, head, uid }) {
-	const payload = new Payload();
-
-	payload.out = out;
-	payload.css = new Set(css);
-	payload.uid = uid;
-
-	payload.head = {
-		title: head.title,
-		out: head.out,
-		css: new Set(head.css),
-		uid: head.uid
-	};
-
-	return payload;
-}
-
-/**
- * Assigns second payload to first
- * @param {Payload} p1
- * @param {Payload} p2
- * @returns {void}
- */
-export function assign_payload(p1, p2) {
-	p1.out = p2.out;
-	p1.css = p2.css;
-	p1.head = p2.head;
-	p1.uid = p2.uid;
-}
-
 /**
  * @param {Payload} payload
  * @param {string} tag
@@ -111,16 +57,6 @@ export function element(payload, tag, attributes_fn = noop, children_fn = noop)
  */
 export let on_destroy = [];
 
-/**
- * Creates an ID generator
- * @param {string} prefix
- * @returns {() => string}
- */
-function props_id_generator(prefix) {
-	let uid = 1;
-	return () => `${prefix}s${uid++}`;
-}
-
 /**
  * Only available on the server and when compiling with the `server` option.
  * Takes a component and returns an object with `body` and `head` properties on it, which you can use to populate the HTML when server-rendering your app.
@@ -553,14 +489,16 @@ export function props_id(payload) {
 	return uid;
 }
 
-export { attr, clsx, Payload };
+export { attr, clsx };
 
 export { html } from './blocks/html.js';
 
 export { push, pop } from './context.js';
 
 export { push_element, pop_element, validate_snippet_args } from './dev.js';
 
+export { assign_payload, copy_payload } from './payload.js';
+
 export { snapshot } from '../shared/clone.js';
 
 export { fallback } from '../shared/utils.js';

packages/svelte/src/internal/server/payload.js

@@ -0,0 +1,64 @@
+export class Payload {
+	/** @type {Set<{ hash: string; code: string }>} */
+	css = new Set();
+	out = '';
+	uid = () => '';
+
+	head = {
+		/** @type {Set<{ hash: string; code: string }>} */
+		css: new Set(),
+		title: '',
+		out: '',
+		uid: () => ''
+	};
+
+	constructor(id_prefix = '') {
+		this.uid = props_id_generator(id_prefix);
+		this.head.uid = this.uid;
+	}
+}
+
+/**
+ * Used in legacy mode to handle bindings
+ * @param {Payload} to_copy
+ * @returns {Payload}
+ */
+export function copy_payload({ out, css, head, uid }) {
+	const payload = new Payload();
+
+	payload.out = out;
+	payload.css = new Set(css);
+	payload.uid = uid;
+
+	payload.head = {
+		title: head.title,
+		out: head.out,
+		css: new Set(head.css),
+		uid: head.uid
+	};
+
+	return payload;
+}
+
+/**
+ * Assigns second payload to first
+ * @param {Payload} p1
+ * @param {Payload} p2
+ * @returns {void}
+ */
+export function assign_payload(p1, p2) {
+	p1.out = p2.out;
+	p1.css = p2.css;
+	p1.head = p2.head;
+	p1.uid = p2.uid;
+}
+
+/**
+ * Creates an ID generator
+ * @param {string} prefix
+ * @returns {() => string}
+ */
+function props_id_generator(prefix) {
+	let uid = 1;
+	return () => `${prefix}s${uid++}`;
+}

packages/svelte/src/internal/shared/errors.js

@@ -18,12 +18,12 @@ export function invalid_default_snippet() {
 }
 
 /**
- * A snippet function was passed invalid arguments. A snippet function should only be called via `{@render ...}`
+ * A snippet function was passed invalid arguments. Snippets should only be instantiated via `{@render ...}`
  * @returns {never}
  */
 export function invalid_snippet_arguments() {
 	if (DEV) {
-		const error = new Error(`invalid_snippet_arguments\nA snippet function was passed invalid arguments. A snippet function should only be called via \`{@render ...}\`\nhttps://svelte.dev/e/invalid_snippet_arguments`);
+		const error = new Error(`invalid_snippet_arguments\nA snippet function was passed invalid arguments. Snippets should only be instantiated via \`{@render ...}\`\nhttps://svelte.dev/e/invalid_snippet_arguments`);
 
 		error.name = 'Svelte error';
 		throw error;