		import { Source } from './index';
		export interface Buffer {
		toString(encoding?: string, start?: number, end?: number): string;
		slice(start?: number, end?: number): Buffer;
		length: number;
		}
		/**
		@@ -3,0 +8,0 @@ Starting at fromIndex (defaults to 0), read until we find `needle`.

source.js

		@@ -1,2 +0,1 @@
		var index_1 = require('./index');
		var buffer_1 = require('./buffer');
		@@ -12,8 +11,8 @@ /**
		if (BLOCK_SIZE === void 0) { BLOCK_SIZE = 1024; }
		var needle = new index_1.Buffer(searchValue);
		var needle = new Buffer(searchValue);
		var position = fromIndex;
		var haystack = new index_1.Buffer(0);
		var haystack = new Buffer(0);
		var haystack_file_position = position;
		var haystack_search_offset = 0;
		var block_buffer = new index_1.Buffer(BLOCK_SIZE);
		var block_buffer = new Buffer(BLOCK_SIZE);
		var bytesRead = BLOCK_SIZE;
		@@ -31,3 +30,3 @@ // exit loop once we read fewer bytes than intended (indicating EOF)
		// at the end, so only read up to the readBytes mark
		haystack = index_1.Buffer.concat([haystack, block_buffer], haystack.length + bytesRead);
		haystack = Buffer.concat([haystack, block_buffer], haystack.length + bytesRead);
		// TODO: only start looking in the haystack (`buffer`) at the old
		@@ -55,5 +54,5 @@ // offset, backtracking by needle.length in case there's a partial match
		if (BLOCK_SIZE === void 0) { BLOCK_SIZE = 1024; }
		var needle = new index_1.Buffer(searchValue);
		var needle = new Buffer(searchValue);
		var position = fromIndex;
		var haystack = new index_1.Buffer(0);
		var haystack = new Buffer(0);
		// haystack's position within file is always equal to `position`
		@@ -64,3 +63,3 @@ // exit loop once we reach the beginning of the file.
		var block_buffer = source.readBuffer(BLOCK_SIZE, position);
		haystack = index_1.Buffer.concat([block_buffer, haystack]);
		haystack = Buffer.concat([block_buffer, haystack]);
		// TODO: only start looking in the haystack (`buffer`) at the old
		@@ -67,0 +66,0 @@ // offset, backtracking by needle.length in case there's a partial match

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