refactor(yaml): move exports to import file

yaml/_dumper.ts → yaml/_dumper_state.ts

@@ -903,20 +903,3 @@ export class DumperState {
     this.usedDuplicates = new Set();
   }
 }
-
-// deno-lint-ignore no-explicit-any
-export function dump(input: any, options: DumperStateOptions = {}): string {
-  const state = new DumperState(options);
-
-  if (state.useAnchors) state.getDuplicateReferences(input);
-
-  if (
-    state.writeNode(0, input, {
-      block: true,
-      compact: true,
-      isKey: false,
-    })
-  ) return `${state.dump}\n`;
-
-  return "";
-}

yaml/_loader.ts → yaml/_loader_state.ts

@@ -58,7 +58,7 @@ const PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i;
 const PATTERN_TAG_URI =
   /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;
 
-interface LoaderStateOptions {
+export interface LoaderStateOptions {
   /** specifies a schema to use. */
   schema?: Schema;
   /** compatibility with JSON.parse behaviour. */
@@ -136,7 +136,7 @@ function codepointToChar(codepoint: number): string {
   );
 }
 
-class LoaderState {
+export class LoaderState {
   schema: Schema;
   input: string;
   length: number;
@@ -1691,42 +1691,3 @@ function composeNode(
 
   return state.tag !== null || state.anchor !== null || hasContent;
 }
-
-function sanitizeInput(input: string) {
-  input = String(input);
-
-  if (input.length > 0) {
-    // Add tailing `\n` if not exists
-    if (!isEOL(input.charCodeAt(input.length - 1))) input += "\n";
-
-    // Strip BOM
-    if (input.charCodeAt(0) === 0xfeff) input = input.slice(1);
-  }
-
-  // Use 0 as string terminator. That significantly simplifies bounds check.
-  input += "\0";
-
-  return input;
-}
-
-export function loadDocuments(
-  input: string,
-  options: LoaderStateOptions = {},
-): unknown[] {
-  input = sanitizeInput(input);
-  const state = new LoaderState(input, options);
-  return [...state.readDocuments()];
-}
-
-export function load(input: string, options: LoaderStateOptions = {}): unknown {
-  input = sanitizeInput(input);
-  const state = new LoaderState(input, options);
-  const documentGenerator = state.readDocuments();
-  const document = documentGenerator.next().value;
-  if (!documentGenerator.next().done) {
-    throw new SyntaxError(
-      "expected a single document in the stream, but found more",
-    );
-  }
-  return document ?? null;
-}

yaml/parse.ts

@@ -4,7 +4,8 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 // This module is browser compatible.
 
-import { load, loadDocuments } from "./_loader.ts";
+import { isEOL } from "./_chars.ts";
+import { LoaderState } from "./_loader_state.ts";
 import { SCHEMA_MAP, type SchemaType } from "./_schema.ts";
 
 export type { SchemaType };
@@ -31,6 +32,23 @@ export interface ParseOptions {
   onWarning?(error: Error): void;
 }
 
+function sanitizeInput(input: string) {
+  input = String(input);
+
+  if (input.length > 0) {
+    // Add tailing `\n` if not exists
+    if (!isEOL(input.charCodeAt(input.length - 1))) input += "\n";
+
+    // Strip BOM
+    if (input.charCodeAt(0) === 0xfeff) input = input.slice(1);
+  }
+
+  // Use 0 as string terminator. That significantly simplifies bounds check.
+  input += "\0";
+
+  return input;
+}
+
 /**
  * Parse and return a YAML string as a parsed YAML document object.
  *
@@ -58,7 +76,19 @@ export function parse(
   content: string,
   options: ParseOptions = {},
 ): unknown {
-  return load(content, { ...options, schema: SCHEMA_MAP.get(options.schema!) });
+  content = sanitizeInput(content);
+  const state = new LoaderState(content, {
+    ...options,
+    schema: SCHEMA_MAP.get(options.schema!),
+  });
+  const documentGenerator = state.readDocuments();
+  const document = documentGenerator.next().value;
+  if (!documentGenerator.next().done) {
+    throw new SyntaxError(
+      "expected a single document in the stream, but found more",
+    );
+  }
+  return document ?? null;
 }
 
 /**
@@ -89,8 +119,10 @@ export function parse(
  * @returns Array of parsed documents.
  */
 export function parseAll(content: string, options: ParseOptions = {}): unknown {
-  return loadDocuments(content, {
+  content = sanitizeInput(content);
+  const state = new LoaderState(content, {
     ...options,
     schema: SCHEMA_MAP.get(options.schema!),
   });
+  return [...state.readDocuments()];
 }

yaml/stringify.ts

@@ -4,7 +4,7 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 // This module is browser compatible.
 
-import { dump } from "./_dumper.ts";
+import { DumperState } from "./_dumper_state.ts";
 import { SCHEMA_MAP, type SchemaType } from "./_schema.ts";
 import type { StyleVariant } from "./_type.ts";
 
@@ -110,5 +110,16 @@
   data: unknown,
   options: StringifyOptions = {},
 ): string {
-  return dump(data, { ...options, schema: SCHEMA_MAP.get(options.schema!) });
+  const state = new DumperState({
+    ...options,
+    schema: SCHEMA_MAP.get(options.schema!),
+  });
+
+  // deno-lint-ignore no-explicit-any
+  if (state.useAnchors) state.getDuplicateReferences(data as any);
+
+  if (state.writeNode(0, data, { block: true, compact: true, isKey: false })) {
+    return `${state.dump}\n`;
+  }
+  return "";
 }