// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build js,wasm
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package exec
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import (
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"errors"
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)
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// ErrNotFound is the error resulting if a path search failed to find an executable file.
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var ErrNotFound = errors.New("executable file not found in $PATH")
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// LookPath searches for an executable named file in the
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// directories named by the PATH environment variable.
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// If file contains a slash, it is tried directly and the PATH is not consulted.
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// The result may be an absolute path or a path relative to the current directory.
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func LookPath(file string) (string, error) {
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// Wasm can not execute processes, so act as if there are no executables at all.
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return "", &Error{file, ErrNotFound}
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}
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