Add extracted source directory and README navigation

extracted-source/node_modules/@anthropic-ai/sdk/internal/decoders/jsonl.mjs

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+import { AnthropicError } from "../../core/error.mjs";
+import { ReadableStreamToAsyncIterable } from "../shims.mjs";
+import { LineDecoder } from "./line.mjs";
+export class JSONLDecoder {
+    constructor(iterator, controller) {
+        this.iterator = iterator;
+        this.controller = controller;
+    }
+    async *decoder() {
+        const lineDecoder = new LineDecoder();
+        for await (const chunk of this.iterator) {
+            for (const line of lineDecoder.decode(chunk)) {
+                yield JSON.parse(line);
+            }
+        }
+        for (const line of lineDecoder.flush()) {
+            yield JSON.parse(line);
+        }
+    }
+    [Symbol.asyncIterator]() {
+        return this.decoder();
+    }
+    static fromResponse(response, controller) {
+        if (!response.body) {
+            controller.abort();
+            if (typeof globalThis.navigator !== 'undefined' &&
+                globalThis.navigator.product === 'ReactNative') {
+                throw new AnthropicError(`The default react-native fetch implementation does not support streaming. Please use expo/fetch: https://docs.expo.dev/versions/latest/sdk/expo/#expofetch-api`);
+            }
+            throw new AnthropicError(`Attempted to iterate over a response with no body`);
+        }
+        return new JSONLDecoder(ReadableStreamToAsyncIterable(response.body), controller);
+    }
+}
+//# sourceMappingURL=jsonl.mjs.map

extracted-source/node_modules/@anthropic-ai/sdk/internal/decoders/line.mjs

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+var _LineDecoder_buffer, _LineDecoder_carriageReturnIndex;
+import { __classPrivateFieldGet, __classPrivateFieldSet } from "../tslib.mjs";
+import { concatBytes, decodeUTF8, encodeUTF8 } from "../utils/bytes.mjs";
+/**
+ * A re-implementation of httpx's `LineDecoder` in Python that handles incrementally
+ * reading lines from text.
+ *
+ * https://github.com/encode/httpx/blob/920333ea98118e9cf617f246905d7b202510941c/httpx/_decoders.py#L258
+ */
+export class LineDecoder {
+    constructor() {
+        _LineDecoder_buffer.set(this, void 0);
+        _LineDecoder_carriageReturnIndex.set(this, void 0);
+        __classPrivateFieldSet(this, _LineDecoder_buffer, new Uint8Array(), "f");
+        __classPrivateFieldSet(this, _LineDecoder_carriageReturnIndex, null, "f");
+    }
+    decode(chunk) {
+        if (chunk == null) {
+            return [];
+        }
+        const binaryChunk = chunk instanceof ArrayBuffer ? new Uint8Array(chunk)
+            : typeof chunk === 'string' ? encodeUTF8(chunk)
+                : chunk;
+        __classPrivateFieldSet(this, _LineDecoder_buffer, concatBytes([__classPrivateFieldGet(this, _LineDecoder_buffer, "f"), binaryChunk]), "f");
+        const lines = [];
+        let patternIndex;
+        while ((patternIndex = findNewlineIndex(__classPrivateFieldGet(this, _LineDecoder_buffer, "f"), __classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f"))) != null) {
+            if (patternIndex.carriage && __classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f") == null) {
+                // skip until we either get a corresponding `\n`, a new `\r` or nothing
+                __classPrivateFieldSet(this, _LineDecoder_carriageReturnIndex, patternIndex.index, "f");
+                continue;
+            }
+            // we got double \r or \rtext\n
+            if (__classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f") != null &&
+                (patternIndex.index !== __classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f") + 1 || patternIndex.carriage)) {
+                lines.push(decodeUTF8(__classPrivateFieldGet(this, _LineDecoder_buffer, "f").subarray(0, __classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f") - 1)));
+                __classPrivateFieldSet(this, _LineDecoder_buffer, __classPrivateFieldGet(this, _LineDecoder_buffer, "f").subarray(__classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f")), "f");
+                __classPrivateFieldSet(this, _LineDecoder_carriageReturnIndex, null, "f");
+                continue;
+            }
+            const endIndex = __classPrivateFieldGet(this, _LineDecoder_carriageReturnIndex, "f") !== null ? patternIndex.preceding - 1 : patternIndex.preceding;
+            const line = decodeUTF8(__classPrivateFieldGet(this, _LineDecoder_buffer, "f").subarray(0, endIndex));
+            lines.push(line);
+            __classPrivateFieldSet(this, _LineDecoder_buffer, __classPrivateFieldGet(this, _LineDecoder_buffer, "f").subarray(patternIndex.index), "f");
+            __classPrivateFieldSet(this, _LineDecoder_carriageReturnIndex, null, "f");
+        }
+        return lines;
+    }
+    flush() {
+        if (!__classPrivateFieldGet(this, _LineDecoder_buffer, "f").length) {
+            return [];
+        }
+        return this.decode('\n');
+    }
+}
+_LineDecoder_buffer = new WeakMap(), _LineDecoder_carriageReturnIndex = new WeakMap();
+// prettier-ignore
+LineDecoder.NEWLINE_CHARS = new Set(['\n', '\r']);
+LineDecoder.NEWLINE_REGEXP = /\r\n|[\n\r]/g;
+/**
+ * This function searches the buffer for the end patterns, (\r or \n)
+ * and returns an object with the index preceding the matched newline and the
+ * index after the newline char. `null` is returned if no new line is found.
+ *
+ * ```ts
+ * findNewLineIndex('abc\ndef') -> { preceding: 2, index: 3 }
+ * ```
+ */
+function findNewlineIndex(buffer, startIndex) {
+    const newline = 0x0a; // \n
+    const carriage = 0x0d; // \r
+    for (let i = startIndex ?? 0; i < buffer.length; i++) {
+        if (buffer[i] === newline) {
+            return { preceding: i, index: i + 1, carriage: false };
+        }
+        if (buffer[i] === carriage) {
+            return { preceding: i, index: i + 1, carriage: true };
+        }
+    }
+    return null;
+}
+export function findDoubleNewlineIndex(buffer) {
+    // This function searches the buffer for the end patterns (\r\r, \n\n, \r\n\r\n)
+    // and returns the index right after the first occurrence of any pattern,
+    // or -1 if none of the patterns are found.
+    const newline = 0x0a; // \n
+    const carriage = 0x0d; // \r
+    for (let i = 0; i < buffer.length - 1; i++) {
+        if (buffer[i] === newline && buffer[i + 1] === newline) {
+            // \n\n
+            return i + 2;
+        }
+        if (buffer[i] === carriage && buffer[i + 1] === carriage) {
+            // \r\r
+            return i + 2;
+        }
+        if (buffer[i] === carriage &&
+            buffer[i + 1] === newline &&
+            i + 3 < buffer.length &&
+            buffer[i + 2] === carriage &&
+            buffer[i + 3] === newline) {
+            // \r\n\r\n
+            return i + 4;
+        }
+    }
+    return -1;
+}
+//# sourceMappingURL=line.mjs.map